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Mastering Algorithms and Data Structures - Marcello La Rocca


Responsible and Explainable AI - Supreet Kaur
We talked about: Supreet’s background Responsible AI Example of explainable AI Responsible AI vs explainable AI Explainable AI tools and frameworks (glass box approach) Checking for bias in data and handling personal data Understanding whether your company needs certain type of data Data quality checks and automation Responsibility vs profitability The human touch in AI The trade-off between model complexity and explainability Is completely automated AI out of the question? Detecting model drift and overfitting How Supreet became interested in explainable AI Trustworthy AI Reliability vs fairness Bias indicators The future of explainable AI About DataBuzz The diversity of data science roles Ethics in data science Conclusion Links:  LinkedIn: Databuzz page: Medium Blog Page: ML Zoomcamp: Join DataTalks.Club: Our events:
September 30, 2022
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September 23, 2022
Leading Data Research - David Bader
We talked about: David’s background A day in the life of a professor David’s current projects Starting a school The different types of professors David’s recent papers Similarities and differences between research labs and startups Finding (or creating) good datasets David’s lab Balancing research and teaching as a professor David’s most rewarding research project David’s most underrated research project David’s virtual data science seminars on YouTube Teaching at universities without doing research Staying up-to-date in research David’s favorite conferences Selecting topics for research Convincing students to stay in academia and competing with industry Finding David online Links:  David A. Bader: NJIT Institute for Data Science: Arkouda: NJIT Data Science YouTube Channel: ML Zoomcamp: Join DataTalks.Club: Our events:
September 16, 2022
Dataset Creation and Curation - Christiaan Swart
We talked about: Christiaan’s background Usual ways of collecting and curating data Getting the buy-in from experts and executives Starting an annotation booklet Pre-labeling Dataset collection Human level baseline and feedback Using the annotation booklet to boost annotation productivity Putting yourself in the shoes of annotators (and measuring performance) Active learning Distance supervision Weak labeling Dataset collection in career positioning and project portfolios IPython widgets GDPR compliance and non-English NLP Finding Christiaan online Links: My personal blog: Comtura, my company: LI: Twitter: ML Zoomcamp: Join DataTalks.Club: Our events:
September 09, 2022
Data Mesh 101 - Zhamak Dehghani
We talked about: Zhamak’s background What is Data Mesh? Domain ownership Determining what to optimize for with Data Mesh Decentralization Data as a product Self-serve data platforms Data governance Understanding Data Mesh Adopting Data Mesh Resources on implementing Data Mesh Links: Free 30-day code from O'Reilly: Data Mesh book: LinkedIn: ML Zoomcamp: Join DataTalks.Club: Our events:
September 02, 2022
Growing Data Engineering Team in a Scale-Up - Mehdi OUAZZA
We talked about: Mehdi’s background The difference between startup, scale-up and enterprise Hypergrowth Data platform engineers in a scale-up environment What a data platform is and who builds it Managing the fast pace of a scale-up while ensuring personal growth Should a senior data person consider a scale-up or an enterprise? Should a junior data person consider a scale-up or an enterprise? Sourcing talent for hyper-growth companies and developing a community culture Generating content and getting feedback Generalization vs specialization for data engineers in a scale-up The ratio of work between platform building and use case pipelines Being proactive in order to progress to mid or senior level Caps and bass guitars MehdiO DataTV and DataCreators.Club (Mehdi’s YouTube Channel and podcast) Links: Mehdi's YouTube channel: Mehdi's Linkedin: Mehdi's Medium Blog: Mehdi's data creators club: ML Zoomcamp: Join DataTalks.Club: Our events:
August 26, 2022
Lessons Learned About Data & AI at Enterprises - Alexander Hendorf
We talked about: Alexander’s background The role of Partner at Königsweg Being part of the data and AI community How Alexander became chair at PyData Alexander’s many talks and advice on giving them Explaining AI to managers Why being able to explain machine learning to managers is important The experimentational nature of AI and why it’s not a cure-all Innovation requires patience Convincing managers not to use AI or ML when there are better (simpler) solutions The role of MLOps in enterprises Thinking about the mid- and long-term when considering solutions Finding Alexander online Links:  Alexander's Twitter: Alexander's LinkedIn: Königsweg: PyData Südwest: PyData Frankfurt: PyConDE & PyData Berlin: ML Zoomcamp: Join DataTalks.Club: Our events:
August 19, 2022
MLOps Architect - Danny Leybzon
We talked about: Danny’s background What an MLOps Architect does The popularity of MLOps Architect as a role Convincing an employer that you can wear many different hats Interviewing for the role of an MLOps Architect How Danny prioritizes work with data scientists Coming to WhyLabs when you’ve already got something in production vs nothing in production Market awareness regarding the importance of model monitoring How Danny (WhyLabs) chooses tools ONNX Common trends in tooling setups The most rewarding thing for Danny in ML and data science Danny’s secret for staying sane while wearing so many different hats T-shaped specialist, E-shaped specialist, and the horizontal line The importance of background for the role of an MLOps Architect Key differences for WhyLogs free vs paid Conclusion and where to find Danny online Links: Matt Turck: AI Observability Platform: Danny's LinkedIn: Whylabs' website: AI Infrastructure Alliance: ML Zoomcamp: Join DataTalks.Club: Our events:
August 12, 2022
Decoding Data Science Job Descriptions - Tereza Iofciu
We talked about: DataTalks.Club intro Tereza’s background Working as a coach Identifying the mismatches between your needs and that of a company How to avoid misalignments Considering what’s mentioned in the job description, what isn’t, and why Diversity and culture of a company Lack of a salary in the job description Way of doing research about the company where you will potentially work How to avoid a mismatch with a company other than learning from your mistakes Before data, during data, after data (a company’s data maturity level) The company’s tech stack Finding Tereza online Links:  Decoding Data Science Job Descriptions (talk): Talk at ConnectForward: Slides: Talk at DataLift: Slides: MLOps Zoomcamp: Join DataTalks.Club: Our events:
August 05, 2022
Data Science for Social Impact - Christine Cepelak
We talked about: Christine’s Background Private sector vs Public sector Public policy The challenges of being a community organizer How public policy relates to political science Programs that teach data science for public policy Data science for public policy vs regular data science The importance of ethical data science in public policy How data science in social impact project differs from other projects Other resources to learn about data science for public policy Challenges with getting data in data science for public policy The problems with accessing public datasets about recycling Christine’s potential projects after Master’s degree Gender inequality in STEM fields Corporate responsibility and why organizations need social impact data scientists What you need to start making a social impact with data science 80,000 hours Other use cases for public policy data science Coffee, Ethics & AI Finding Christine online Links: Explore some Data Science for Social Good projects: Bi-weekly Ethics in AI Coffee Chat: Make a Social Impact with your Job: Course in Data Ethics: Data Science for Social Good Berlin: CorrelAid: DataKind: Christine's LinkedIn: Christine's Twitter:  MLOps Zoomcamp: Join DataTalks.Club: Our events:
July 29, 2022
Hiring Data Science Talent - Olga Ivina
We talked about: Olga’s career journey Hiring data scientists now vs 7 years ago The two qualities of an excellent data scientist What makes Alexey do this podcast How Alexey get the latest information on data science How Olga checks a candidate’s technical skills How to make an answer stand out (showing your depth of knowledge) A strong mathematical background vs a strong engineering background When Auto ML will replace the need to have data scientists Should data scientists transition into management? (the importance of communication in an organization) Switching from a data analyst role to a data scientist Attracting female talent in data science Changing a job description to find talent Long gaps in the CV Eierlegende Wollmilchsau Links: Olga's LinkedIn:  Olga's Twitter: MLOps Zoomcamp: Join DataTalks.Club: Our events:
July 22, 2022
From Open-Source Maintainer to Founder - Will McGugan
We talked about:  Will’s background Will’s open source projects S3Fs and PyFile systems Inspiration for open source projects Will as a freelancer Starting a company from a tweet (Rich and Textual) Building in public (Will’s approach to social media) The workforce and roadmap of The importance of working on open source for Textualize employees The workflow of and contributions to Textualize Getting your first thousand GitHub Stars (going viral) Suggestions for those who wish to start in the open-source space Finding Will online Links:  Twitter: Textualize website: Textualize GitHub: MLOps Zoomcamp: Join DataTalks.Club: Our events:
July 15, 2022
Designing a Data Science Organization - Lisa Cohen
We talked about: Lisa’s background Centralized org vs decentralized org Hybrid org (centralized/decentralized) Reporting your results in a data organization Planning in a data organization Having all the moving parts work towards the same goals Which approach Twitter follows (centralized vs decentralized) Pros and cons of a decentralized approach Pros and cons of a centralized approach Finding a common language with all the functions of an org Finding the right approach for companies that want to implement data science How many data scientists does a company need? Who do data scientists report huge findings to? The importance of partnering closely with other functions of the org The role of Product Managers in the org and across functions Who does analytics at Twitter (analysts vs data scientists) The importance of goals, objectives and key results Conflicting objectives The importance of research Finding Lisa online Links: LinkedIn: Twitter: Medium: Lisa Cohen's YouTube videos: MLOps Zoomcamp: Join DataTalks.Club: Our events:
July 08, 2022
Developer Advocacy Engineer for Open-Source - Merve Noyan
We talked about: Merve’s background Merve’s first contributions to open source What Merve currently does at Hugging Face (Hub, Spaces) What is means to be a developer advocacy engineer at Hugging Face The best way to get open source experience (Google Summer of Code, Hacktoberfest, and sprints) The peculiarities of hiring as it relates to code contributions Best resources to learn about NLP besides Hugging Face Good first projects for NLP The most important topics in NLP right now NLP ML Engineer vs NLP Data Scientist Project recommendations and other advice to catch the eye of recruiters Merve on Twitch and her podcast Finding Merve online Merve and Mario Kart Links: Hugging Face Course: Natural Language Processing in TensorFlow: Github ML Poetry: Tackling multiple tasks with a single visual language model: Hugging Face big science/TOpp: Pathways Language Model (PaLM) blog: MLOps Zoomcamp: Join DataTalks.Club: Our events:
July 01, 2022
Data Scientists at Work - Mısra Turp
We talked about: Misra’s background What data scientists do Consultant data scientists vs in-house data scientists (and freelancers) Expectations for data scientists The importance of keeping up to date with AI developments (FOMA) How does DALL·E 2 work and should you care? Going to conferences to stay up to date The most pressing issue for data scientists Fighting FOMA and imposter syndrome Knowing when you have enough knowledge of a framework The “best” type of data scientist Being a generalist vs a specialist Advice for entry-level data entering an oversaturated market Catching the eye of big AI companies Choosing a project for your portfolio The importance of having a Ph.D. or Master’s degree in data science Finding Misra online Links: Mısra's YouTube channel: Twitter: Hands-on Data Science: Complete Your First Portfolio Project:  MLOps Zoomcamp: Join DataTalks.Club: Our events:
June 24, 2022
Freelancing and Consulting with Data Engineering - Adrian Brudaru
We talked about: Adrian’s background Freelancing vs Employment Risk and occupancy rate in freelancing The scariest part of freelancing Adrian’s first projects Freelancing 5 years later Pay rates in freelancing Acquiring skills while freelancing Working with recruitment agencies and networking Looking for projects and getting clients Freelancing vs consulting Clarity in clients’ expectations (scope of work) Building your network Freelancing platforms Adrian’s data loading prototype Going from freelancing to making your own product (and other investments) The usefulness of a portfolio Introverts in freelancing Is it possible to work for 3 months a year in freelancing? Choosing projects and skill-building strategy (focusing on interests) Freelancing in Berlin Clients’ expectations for freelancers vs employees Working with more than one client at the same time Adrian’s freelance cooperative on Slack Other advice for novice freelancers (networking) Finding Adrian online Links: Github: Slack Community: MLOps Zoomcamp: Join DataTalks.Club: Our events:
June 17, 2022
Getting a Data Engineering Job (Summary and Q&A) - Jeff Katz
We talked about: Summary of “Getting a Data Engineering Job” webinar Python and engineering skills  Interview process Behavioral interviews Technical interviews Learning Python and SQL from scratch Is having non-coding experience a disadvantage? Analyst or engineer? Do you need certificates? Do I need a master’s degree? Fully remote data engineering jobs Should I include teaching on my resume? Object-oriented programming for data engineering Python vs Java/Scala SQL and Python technical interview questions GCP certificates Is commercial experience really necessary? From sales to engineering Solution engineers Wrapping up Links: Getting a Data Engineering Job (webinar): The Flask Mega-Tutorial Part I - Hello, World! blog: Mode SQL Tutorial: MLOps Zoomcamp: Join DataTalks.Club: Our events:
June 10, 2022
Using Data for Asteroid Mining - Daynan Crull
We talked about: Daynan’s background Astronomy vs cosmology Applications of data science and machine learning in astronomy Determining signal vs noise What the data looks like in astronomy Determining the features of an object in space Ground truth for space objects Why water is an important resource in the space economy Other useful resources that can be found in asteroids Sources of asteroids The data team at an asteroid mining company Open datasets for hobbyists Mission and hardware design for asteroid mining Partnerships and hires Links:  LinkedIn: We're looking for a Sr Data Engineer: Minor Planet Center: JPL Horizons has a nice set of APIs for accessing data related to small bodies (including asteroids): ESA has NEODyS:   IRSA catalog that contains image and catalog data related to the WISE/NEOWISE data (and other infrared platforms): NASA also has an archive of data collected from their various missions, including a node related to small bodies: Sub-node directly related to asteroids: Size, Mass, and Density of Asteroids (SiMDA) is a nice catalog of observed asteroid attributes (and an indication of how small our sample size is!): The source survey data, several are useful for asteroids: Pan-STARRS ( MLOps Zoomcamp: Join DataTalks.Club: Our events:
June 03, 2022
Machine Learning in Marketing - Juan Orduz
We talked about: Juan’s background Typical problems in marketing that are solved with ML Attribution model Media Mix Model – detecting uplift and channel saturation Changes to privacy regulations and its effect on user tracking User retention and churn prevention A/B testing to detect uplift Statistical approach vs machine learning (setting a benchmark) Does retraining MMM models often improve efficiency? Attribution model baselines Choosing a decay rate for channels (Bayesian linear regression) Learning resource suggestions Bayesian approach vs Frequentist approach Suggestions for creating a marketing department Most challenging problems in marketing The importance of knowing marketing domain knowledge for data scientists Juan’s blog and other learning resources Finding Juan online Links:  Juan's PyData talk on uplift modeling: Juan's website: Introduction to Algorithmic Marketing book: Preventing churn like a bandit: MLOps Zoomcamp: Join DataTalks.Club: Our events:
May 27, 2022
From Academia to Data Analytics and Engineering - Gloria Quiceno
We talked about:  Gloria’s background Working with MATLAB, R, C, Python, and SQL Working at ICE Job hunting after the bootcamp Data engineering vs Data science Using Docker Keeping track of job applications, employers and questions Challenges during the job search and transition Concerns over data privacy Challenges with salary negotiation The importance of career coaching and support Skills learned at Spiced Retrospective on Gloria’s transition to data and advice Top skills that helped Gloria get the job Thoughts on cloud platforms Thoughts on bootcamps and courses Spiced graduation project Standing out in a sea of applicants The cohorts at Spiced Conclusion Links: LinkedIn: Github: MLOps Zoomcamp: Join DataTalks.Club: Our events:
May 20, 2022
Teaching Data Engineers - Jeff Katz
We talked about: Jeff’s background Getting feedback to become a better teacher Going from engineering to teaching Jeff on becoming a curriculum writer Creating a curriculum that reinforces learning Jeff on starting his own data engineering bootcamp Shifting from teaching ML and data science to teaching data engineering Making sure that students get hired Screening bootcamp applicants Knowing when it’s time to apply for jobs The curriculum of The market demand of Spark, Kafka, and Kubernetes (or lack thereof) Advice for data analysts that want to move into data engineering The market demand of ETL/ELT and DBT (or lack thereof) The importance of Python, SQL, and data modeling for data engineering roles Interview expectations How to get started in teaching The challenges of being a one-person company Teaching fundamentals vs the “shiny new stuff” Finding Jeff online Links:  Jigsaw Labs: Teaching my mom to code: Getting a Data Engineering Job Webinar with Jeff Katz: MLOps Zoomcamp: Join DataTalks.Club: Our events:
May 13, 2022
From Roasting Coffee to Backend Development - Jessica Greene
We talked about:  Jessica’s background Giving a talk at a tech conference about coffee Jessica’s transition into tech (How to get started) Going from learning to actually making money Landing your first job in tech Does your age matter when you’re trying to get a job? Challenges that Jessica faced in the beginning of her career Jessica’s role at PyLadies Fighting the Imposter Syndrome Generational differences in digital literacy and how to improve it Events organized by PyLadies Jessica’s beginnings at PyLadies (organizing events) Jessica’s experience with public speaking The impact of public speaking on your career Tips for public speaking Jessica’s work at Ecosia Discrimination in the tech industry (and in general) Finding Jessica online Links: Ecosia's website: Ecosia's blog: PyLadies Berlin: PyLadies' Meetup: Code Academy: Freecodecamp: Coursera Machine Learning: ML Bookcamp code: Google Summer code: Outreachy website: Alumni Interview: Python pizza: Pycon: Pycon 2022: Join DataTalks.Club: Our events:
May 06, 2022
Recruiting Data Engineers - Nicolas Rassam
We talked about:  Nicolas’ background The tech talent market in different countries Hiring data scientists vs data engineers A spike in interest for data engineering roles The importance of recruiters having  technical knowledge The main challenges of hiring data engineers The difference in hiring junior, mid, and senior level data engineers Things recruiters look for in people who switch to a data engineering role The importance of knowing cloud tools The importance of knowing infrastructure tools Preparing for the interview The importance of a formal education The importance having a project portfolio How your current domain influence the interview Conclusion Links:  Nicolas' Twitter:  Nicolas' LinkedIn:  Onfido is hiring:  Interview with Alicja about recruiting data scientists: Webinar "Getting a Data Engineering Job" with Jeff Katz: Join DataTalks.Club: Our events:
April 29, 2022
Storytime for DataOps - Christopher Bergh
We talked about: Christopher’s background The essence of DataOps Also known as Agile Analytics Operations or DevOps for Data Science Defining processes and automating them (defining “done” and “good”) The balance between heroism and fear (avoiding deferred value) The Lean approach Avoiding silos The 7 steps to DataOps Wanting to become replaceable DataOps is doable Testing tools DataOps vs MLOps The Head Chef at Data Kitchen What’s grilling at Data Kitchen? The DataOps Cookbook Links: DataOps Manifesto website: DataOps Cookbook: Recipes for DataOps Success: DataOps Certification Course: DataOps Blog: DataOps Maturity Model: DataOps Webinars: Join DataTalks.Club:   Our events:
April 22, 2022
Machine Learning and Personalization in Healthcare - Stefan Gudmundsson
We talked about: Stefan’s background Applications of machine learning in healthcare Sidekick Health – gamified therapeutics How is working for King different from Sidekick Health? The rewards systems in gamified apps The importance of building a strong foundation for a data science team The challenges of building an app in the healthcare industry Dealing with ethics issues Sidekick Health’s personalized recommendations and content The importance of having the right approach in A/B tests (strong analytics and good data) The importance of having domain knowledge to work as a data professional in the healthcare industry Making a data-driven company Risks for Sidekick Health Sidekick Health growth strategy Using AI to help people live better lives Links: LinkedIn:  Job listings: Join DataTalks.Club: Our events:
April 15, 2022
Innovation and Design for Machine Learning - Liesbeth Dingemans
We talked about: Liesbeth’s background What is design? The importance of interaction in design Design as a process (Double Diamond technique) How long does it take to go from an idea to finishing the second diamond? Design thinking (Google’s PAIR) What is a Design Sprint and who should participate in it? Why should data specialists care about design? Challenging your task-giver (asking “why”) How to avoid the “Chinese whisper game” (reiterating the problem) Defining the roadmap for data science teams What is innovation? Bringing innovation to your management Task force-team approach to solving problems Innovation, resource management issues, and using data to back your ideas Words of advice for those interested in design and innovation Links: LinkedIn: Medium posts on design, innovation, art and AI: Join DataTalks.Club: Our events:
April 08, 2022
Hacking Your Data Career - Marijn Markus
We talked about: Marijn’s background Standing out in data science Doing the opposite of what people tell you Don’t shoot the messenger (carefully sharing your findings) Advising the seniors Bite off more than you can chew, then chew Marijn’s side projects (finding value in doing things you find interesting) Building a project portfolio Marijn’s NGO project The importance of a team Open source intelligence (OSINT) The importance of soft skills for data experts Marijn’s LinkedIn growth strategy and tips Links:   Twitter: LinkedIn: Join DataTalks.Club: Our events:
April 01, 2022
Visualising Machine Learning - Meor Amer
We talked about: kDimensions Being self-employed Visual engineering Constrain yourself to get creative Coming up with ideas Visualising difficult concepts The process of creating visuals Creating visuals Learning to create visuals for engineers Consuming with intention to create Learning by breaking code Earning with visuals Adding visuals to blog posts Meor’s book: visual introduction to deep learning Links:   A Visual Introduction to Deep Learning by Meor Amer: kDimensions website: Book to learn about Figma: Jack Butcher's approach:  Join DataTalks.Club: Our events:
March 25, 2022
From Math Teacher to Analytics Engineer - Juan Pablo
We talked about: Juan Pablo's Backround Data engineering resources Teaching calculus Transitioning to Analytics Data Analytics bootcamp Getting money while studying Going to meetups to get a job Looking for uncrowded doors Using LinkedIn Portfolio Talking to people on meetups Eight tips to get your first analytics job Consider contracts and temporary roles Getting experience with non-profits Create your own internship Networking Website for hosting a portfolio I’m a math teacher. What should I learn first? Analytics engineering Best suggestion: keep showing up Networking on online conferences Communication skills and being organized Links: Website: Twitter: BROKE teacher to FAANG engineer Twitter thread: LinkedIn: Join DataTalks.Club: Our events:
March 18, 2022
From Data Science to Data Engineering - Ellen König
We talked about: Ellen’s background Why Ellen switched from data science to data engineering The overlap between data science and data engineering Skills to learn and improve for data engineering Ways to pick up and improve skills (advice for making the transition) What makes a data engineering course “good” Languages to know for data engineering The easiest part of transitioning into data engineering The hardest part of transitioning into data engineering Common data engineering team distributions People who are both data scientists and data engineers Pet projects and other ways to pick up development skills Dealing with cloud processing costs (alerts, billing reports, trial periods) Advice for getting into entry level positions Which cloud platform should data engineers learn? Links: Twitter: LinkedIn: Join DataTalks.Club: Our events:
March 11, 2022
Becoming a Data Engineering Manager - Rahul Jain
We talked about: Rahul’s background What do data engineering managers do and why do we need them? Balancing engineering and management Rahul’s transition into data engineering management The importance of updating your skill set Planning the transition to manager and other challenges Setting expectations for the team and measuring success Data reconciliation GDPR compliance Data modeling for Big Data Advice for people transitioning into data engineering management Staying on top of trends and enabling team members The qualities of a good data engineering team The qualities of a good data engineer candidate (interview advice) The difference between having knowledge and stuffing a CV with buzzwords Advice for students and fresh graduates An overview of an end-to-end data engineering process Links: Rahul's LinkedIn: Join DataTalks.Club: Our events:
March 04, 2022
A/B Testing - Jakob Graff
We talked about: Jakob’s background The importance of A/B tests Statistical noise A/B test example A/B tests vs expert opinion Traffic splitting, A/A tests, and designing experiments Noisy vs stable metrics – test duration and business cycles Z-tests, T-tests, and time series A/B test crash course advice Frequentist approach vs Bayesian approach A/B/C/D tests Pizza dough Links:  Jakob's LinkedIn: Product Analyst role at Inkitt: Join DataTalks.Club: Our events:
February 25, 2022
Machine Learning System Design Interview - Valerii Babushkin
We talked about: Valerii’s background Who goes through an ML system design interview System design VS ML System design Preparing for ML system design interviews Machine learning project checklist The importance of defining a goal and ways of measuring it What to do after you set a goal Typical components of an ML system Applying ML systems to real-world problems System design and coding in interviews for new graduates Humans in the validation of model performance Links: Valerii's telegram channel (in Russian): Join DataTalks.Club: Our events:
February 18, 2022
Career Coaching - Lindsay McQuade
We talked about: Lindsay’s background Spiced Academy Career coaching role Reframing your experience Helping with career problems Finding what interests you Tailoring a CV and “spray and pray” Career coaching outside a bootcamp Imposter syndrome After bootcamp Internships Working with recruiters Networking on LinkedIn Links: Lindsay's LinkedIn: Impostor questionnaire: Join DataTalks.Club: Our events:
February 11, 2022
Product Management Essentials for Data Professionals - Greg Coquillo
We talked about: Greg’s background Responsibilities of Data Product Manager Understanding customer journey Interviewing business partners and decision-makers Products sense, product mindset, and product roadmap Working backwards Driving the roadmap Building a roadmap in Excel Measuring success Advice for teams that don’t have a product manager Links: Greg's LinkedIn: Join DataTalks.Club: Our events:
February 04, 2022
Recruiting Data Professionals - Alicja Notowska
We talked about: Alicja’s background The hiring process Sourcing and recruiting Managing expectations Making the job description attractive Selecting profiles during sourcing Profile keywords The importance of a Master’s vs a Bachelor’s degree vs a PhD Improving CV Interview with the recruiter Salary expectations Advice for “career changers” Cover letters Data analysts Double Bachelor’s degrees The most difficult part of hiring Coursera courses on the CV Making a good impression on recruiters Join DataTalks.Club: Our events:
January 28, 2022
DataTalks.Club Behind the Scenes - Eugene Yan, Alexey Grigorev
We talked about: Alexey’s background Being a principal data scientist DataTalks.Club The beginning and growth of DataTalks.Club Sustaining the pace Types of talks Popular and favorite talks Making DataTalks.Club self-sufficient Alexey’s book and course Advice for people starting in data science and staying motivated Not keeping up to date with new tools Staying productive Learning technical subjects and keeping notes Inspiration and idea generation for DataTalks.Club Links:  Join DataTalks.Club: Our events:
January 21, 2022
DTC's minis - From Data Engineering to MLOps - Sejal Vaidya
We don't have a new episode this week, but we have an amazing conversation with Sejal Vaidya from August We talked about Sejal's background Why transitioning to ML engineering Three phases of development of a project Why data engineers should get involved in ML Technologies Tips for people who want to transition Soft skills and understanding requirements Helpful resources Resources: ML checklist ( Machine Learning Bookcamp ( Made with ML course ( Full-stack deep learning ( Newsletters: mlinproduction,,, Sejal's "Production ML" twitter list ( Join DataTalks.Club: Our events:
January 14, 2022
Becoming a Data Science Manager - Mariano Semelman
We talked about: Mariano’s background Typical day of a manager Becoming a manager Preparing for the transition Balancing projects and assumptions Search and recommendations Dealing with unfamiliar domains Structuring projects Connecting product and data science Rules of Machine Learning CRISP-DM and deployment Giving feedback Dealing with people leaving the team Doing technical work as a manager Dealing with bad hires Keeping up with the industry Join DataTalks.Club: Our events:
January 07, 2022
Leading NLP Teams - Ivan Bilan
We talked about: Ivan’s role at Personio Ivan’s background Studying technical management Managing a software team NLP teams NLP engineers Becoming an NLP engineer Computer vision NLP engineer vs ML engineer Conversational designers Linguistics outside of chatbots When does a team need an NLP engineer or a linguist? The future of NLP NLP pipelines GPT-3 Problems of GPT-3 Does GPT-3 make everything obsolete? What NLP actually is? Does NLP solve problems better than humans? State of language translation NLP Pandect Links: Ivan's presentation about NLP: Join DataTalks.Club: Our events:
December 24, 2021
Product Management for Machine Learning - Geo Jolly
We talked about Geo’s background Technical Product Manager Building ML platform Working on internal projects Prioritizing the backlog Defining the problems Observability metrics Avoiding jumping into “solution mode” Breaking down the problem Important skills for product managers The importance of a technical background Data Lead vs Staff Data Scientist vs Data PM Approvals and rollout Engineering/platform teams Data scientists’ role in the engineering team Scrum and Agile in data science Transitioning from Data Scientist to Technical PM Books to read for the transition Transitioning for non-technical people Doing user research Quality assurance in ML Advice for supporting an ML team as a Scrum master Links: Geo's LinkedIn: Product School community:  Netflix CPO Medium blog: Glovo is hiring: Join DataTalks.Club: Our events:
December 17, 2021
Moving from Academia to Industry - CJ Jenkins
We talked about: CJ’s background Evolutionary biology Learning machine learning Learning on the job and being honest with what you don’t know Convincing that you will be useful CJ’s first interview Transitioning to industry Tailoring your CV Data science courses Moving to Berlin Being selective vs ‘spray and pray’ Moving on to new jobs Plan for transitioning to industry Requirements for getting hired Publications, portfolios and pet projects Adjusting to industry Bad habits from academia Topics with long-term value CJ’s textbook Links: CJ's LinkedIn: Positions for master students: one two Join DataTalks.Club: Our events:
December 10, 2021
Advancing Big Data Analytics: Post-Doctoral Research - Eleni Tzirita Zacharatou
We talked about: Eleni’s background Spatial data analytics Responsibilities of a postdoc Publishing papers Best places for data management papers Differences between postdoc and PhD Helping students become successful Research at the DIMA group Identifying important research directions Reviewing papers Underrated topics in data management Research in data cleaning Collaborating with others Choosing the field for Master’s students Choosing the topic for a Master thesis Should I do a PhD? Promoting computer science to female students Links: Join DataTalks.Club: Our events:
December 03, 2021
Becoming a Data Product Manager - Sara Menefee
We talked about: Sara’s background Product designer’s responsibilities Data product manager’s responsibilities Planning with the team Design thinking and product design Data PMs vs regular PMs Skill requirements for Data PMs Going from a product designer to a data product manager Case studies Resources for learning about product management Data PM’s biggest challenge Multitasking and context switching Insights from user interviews Using new, unfamiliar tools Documentation Idea generation Do Data PMs need to know ML? Links: Product Management Courses: and Product Management Reading: and Data Engineering for Noobs: Join DataTalks.Club: Our events:
November 26, 2021
Data Science Manager vs Data Science Expert - Barbara Sobkowiak
We talked about: Barbara’s background Do you need a manager or an expert? Technical and non-technical requirements for managers Importance of technical skills for managers Responsibilities and skills of a manager Importance of technical background for managers Getting involved in business development and sales Developing the team Checking team’s work Data science expert Hiring experts Who should we hire first? Can an expert build a team? Data science managers in startups Project management Ensuring that projects provide value Questions before starting a project Women in data science Finding Barbara online General advice Link: Barbara's LinkedIn: Join DataTalks.Club: Our events:
November 19, 2021
Ace Non-Technical Data Science Interviews - Nick Singh
We talked about: Nick’s background Being a career coach Overview of the hiring process Behavioral interviews for data scientists Preparing for behavioral interviews Handling "tricky" questions Project deep dive Business context Pacing, rambling, and honesty “What’s your favorite model?” What if I haven’t worked on a project that brought $1 mln? Different questions for different levels Product-sense interviews Identifying key metrics in unfamiliar domains Tech blogs Cold emailing Join DataTalks.Club: Our events:
November 12, 2021
Becoming a Solopreneur in Data - Noah Gift
We talked about: Noah’s background Solopreneurship A day of a solopreneur Exponential vs linear work Escaping the office work - digging the tunnel Structuring goals Staying motivated Publishing books Planning out books Writing a book is like preparing to run a marathon Distributed income Getting started as a solopreneur Lowering expenses and adding time The right time to quit full-time Building a network Teaching at universities Join DataTalks.Club: Our events:
November 05, 2021
Building Business Acumen for Data Professionals - Thom Ives
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October 29, 2021
Conquering the Last Mile in Data - Caitlin Moorman
We talked about: Caitlin’s background The last mile in data The Pareto Principle Failing to use data Making sure data is used Communicating with decision-makers Working backwards from the last mile Understanding how data drives decisions Sketching and prototyping Showing the benefits of power data Measurability Driving change in data Asking high-leverage questions Resistance from users Understanding domain experts Linear projects vs circular projects Recommendations for data analyst students Finding Caitlin online Links: Emelie's talk Join DataTalks.Club: Our events:
October 22, 2021
Similarities and Differences between ML and Analytics - Rishabh Bhargava
We talked about: Rishabh's background Rishabh’s experience  as a sales engineer Prescriptive analytics vs predictive analytics The problem with the term ‘data science’ Is machine learning a part of analytics? Day-to-day of people that work with ML Rule-based systems to machine learning The role of analysts in rule-based systems and in data teams Do data analysts know data better than data scientists? Data analysts’ documentation and recommendations Iterative work - data scientists/ML vs data analysts Analyzing results of experiments Overlaps between machine learning and analytics Using tools to bridge the gap between ML and analytics Do companies overinvest in ML and underinvest in analystics? Do companies hire data scientists while forgetting to hire data analysts? The difficulty of finding senior data analysts Is data science sexier than data analytics? Should ML and data analytics teams work together or independently? Building data teams Rishabh’s newsletter – MLOpsRoundup Links: Join DataTalks.Club: Our events:
October 15, 2021
Building and Leading Data Teams - Tammy Liang
We talked about: Tammy’s background Being the chief of data First projects as the first data person in a company Initial resistance Expanding the team Role of business analyst Platanomelon’s stack Order for growing the data team Demand forecasting Should analysts know machine learning Qualifications for the first data person in a company Providing accurate results Receiving insights in a timely manner Providing useful insights Giving ownership to the team Starting as the first data person in a company Data For Future podcast Supporting team members that are stuck Finding Tammy online Links:  Tammy's podcast: Join DataTalks.Club: Our events:
October 08, 2021
What Researchers and Engineers Can Learn from Each Other - Mihail Eric
We talked about: Mihail’s background NLP and self-driving vehicles Transitioning from academia to the industry Machine learning researchers Finding open-ended problems Machine learning engineers Is data science more engineering or research? What can engineers and researchers learn from one another? Bridging the disconnect between researchers and engineers Breaking down silos Fluid roles Full-stack data scientists Advice to machine learning researchers Advice to machine learning engineers Reading papers Choosing between engineering or research if you’re just starting Links: Join DataTalks.Club: Our events:
October 01, 2021
Introducing Data Science in Startups - Marianna Diachuk
We talked about: Marianna’s background Being the only data scientist What should already be in the company How much experience do you need Identifying problems Prioritization What should the company already know? First week First month First quarter Managing expectations Solving problems without ML Project timelines Finding the best solution Evaluating performance Getting stuck Communicating with analysts Transitioning from engineering to data science Growing the team Stopping projects Questions for the company From research to production Wrapping up Links: Marianna's LinkedIn: Join DataTalks.Club: Our events:
September 24, 2021
Defining Success: Metrics and KPIs - Adam Sroka
We talked about: Adam’s background Adam’s laser and data experience Metrics and why do we care about them Examples of metrics KPIs KPI examples Derived KPIs Creating metrics — grocery store example Metric efficiency North Star metrics Threshold metrics Health metrics Data team metrics Experiments: treatment and control groups Accelerate metrics and timeboxing Links: Domino's article about measuring value: Adam's article about skills useful for data scientists: Adam's article about standing out: Join DataTalks.Club: Our events:
September 17, 2021
Making Sense of Data Engineering Acronyms and Buzzwords - Natalie Kwong
We talked about: Natalie’s background Airbyte What is ETL? Why ELT instead of ETL? Transformations How does ELT help analysts be more independent? Data marts and Data warehouses Ingestion DB ETL vs ELT Data lakes Data swamps Data governance Ingestion layer vs Data lake Do you need both a Data warehouse and a Data lake? Airbyte and ELT Modern data stack Reverse ETL Is drag-and-drop killing data engineering jobs? Who is responsible for managing unused data? CDC – Change Data Capture Slowly changing dimension Are there cases where ETL is preferable over ELT? Why is Airbyte open source? The case of Elasticsearch and AWS Links: Natalie's LinkedIn: Join DataTalks.Club: Our events:
September 11, 2021
Mastering Algorithms and Data Structures - Marcello La Rocca
We talked about: Learning algorithms and data structures Resources for learning algorithms and data structures Most important data structures Learning the abstractions Learning algorithms if they aren’t needed at work Common mistakes when using wrong data structures Importance of data structures for data scientists Marcello’s book - Advanced Algorithms and Data Structures Bloom filters Where Bloom filters are useful Approximate nearest neighbours Searching for most similar vectors Knowing frameworks vs knowing internals of data structures Serializing Bloom filters Algorithmic problems in job interviews Important data structures for data scientists and data engineers Learning by doing Importance of compiled languages for data scientists Links: Marcello's book: Advanced Algorithms and Data Structures (promo code for 35% discount: poddatatalks21) MIT, Introduction to Algorithms: Algorithms specialization by Tim Roughgarden: Join DataTalks.Club: Our events:
September 03, 2021
Chief Data Officer - Marco De Sa
We talked about: Marco’s background Role of CDO Keeping track of many things Becoming a CDO Strategy vs tactics VP of Data vs CDO How many VPs of Data could be there? Splitting the work between VP and CDO Difference between CTO, CPO, and CDO Breaking down the goals and working backwards from them Assessing if we’re moving in the right direction Dealing with many meetings Being more effective Building the data-driven culture Challenges of working remotely Does CDO need deep technical skills? Importance of MBA The key skills for becoming a CDO Biggest challenges within OLX so far Demonstrating the CDO skills on a job interview Overcoming resistance Join DataTalks.Club: Our events:
August 27, 2021
Freelancing in Machine Learning - Mikio Braun
We talked about: Mikio’s background What Mikio helps with Moving from a full-time job to freelancing Finding clients and importance of a strong network Building a network Initial meetings with clients Understanding what clients need Template for the offer (Million dollar consulting) Deciding on rate type: hourly, daily, per project Taking vacations (and paying twice for them) Avoiding overworking Specializing: consulting as a product Working full-time as a principal vs being a consultant Is the overhead worth it? Getting a new client when you already have a project After freelancing: what’s next? Output of Mikio’s work Learning new things Lessons learned after finding clients Registering as a freelancer in Germany Personal liability of a freelancer Effect of globalization and remote work on consulting Advice for people who want to start freelancing Woking full-time and freelancing at the same time Books:  Million Dollar Consulting  by Alan Weiss Built to Sell by John Warrillow Links: Mikio's Twitter: Mikio's LinkedIn: Join DataTalks.Club: Our events:
August 20, 2021
Launching a Startup: From Idea to First Hire - Carmine Paolino
We talked about: Carmine’s background Carmine’s startup FreshFlow Doing user research Design thinking Entrepreneur first Finding co-founders: the “expertise edges” framework The structure of the EF program Coming up with the idea How important is going through a startup accelerator? Finding your first client Finding investors Consequences of having a bad investor Splitting responsibilities between co-founders Hiring The importance of delegating Making work attractive to hires Plans for the future Just-in-time supply chain What would you have done differently? Advice for people starting a startup Don’t focus on skills only Getting motivation Am I ready for a startup? Importance of a business school Advice on finding a co-founder Do I need EF if I already have an idea? Having a prototype before the pitch Books: The Mom Test by Rob Fitzpatrick Design Thinking by Robert Curedale Links: FreshFlow: Carmine's LinkedIn: Carmine's Twitter: Join DataTalks.Club: Our events:
August 13, 2021
Approach Learning as ML Project - Vladimir Finkelshtein [mini]
We don't have an episode lined up for this week, but we recorded a small chat with Vladimir some time ago. Enjoy it!  We talked about: Vladimir's background Learning by answering questions Don't be afraid of being wrong Winnings books Learning random things Approach learning as a machine learning project Links: Vladimir on LinkedIn: Join DataTalks.Club: Our events:
August 06, 2021
Humans in the Loop - Lina Weichbrodt
We talked about: Lina’s background What we need to remember when starting a project (checklists) Make sure the problem is formalized and close to the core business Get the buy-in with stakeholders Building trust with stakeholders Don’t just focus on upsides – ask about concerns Turning a concert into a metric What happens when something goes wrong? Post mortem reporting Apply the 5 why’s If a lot of users say it’s a bug – it’s worth investigating Post mortem format Action points Debugging vs explaining the model Are there online versions of checklists? Make sure to log your inputs Talking to end-users and using your own service Your ideas vs Stakeholder ideas Should data practitioners educate the team about data? People skills and ‘dirty’ hacks Where to find Lina Join DataTalks.Club: Our events:
July 30, 2021
Running from Complexity - Ben Wilson
We talked about: Ben’s Background Building solutions for customers Why projects don’t make it to production Why do people choose overcomplicated solutions? The dangers of isolating data science from the business unit The importance of being able to explain things Maximizing chances of making into production The IKEA effect Risks of implementing novel algorithms If it can be done simply – do that first Don’t become the guinea pig for someone’s white paper The importance of stat skills and coding skills Structuring an agile team for ML work Timeboxing research Mentoring Ben’s book ‘Uncool techniques’ at AI-First companies Should managers learn data science? Do data scientists need to specialize to be successful? Links: Ben's book: (get 35% off with code "ctwsummer21") Join DataTalks.Club: Our events:
July 23, 2021
I Want to Build a Machine Learning Startup! - Elena Samuylova
We talked about: Elena’s background Why do a startup instead of being an employee? Where to get ideas for your startup Finding a co-founder What should you consider before starting a startup? Vertical startup vs infrastructure startup ‘AI First’ startups Building tools for engineers What skills do you need to start a startup? Startup risks How to be prepared to fail Work-life balance The part-time startup approach Startup investment models No resources and no technical expertise – what to do? Productionizing your services When to hire an expert Talking to people with a problem before solving the problem Starting Elena’s startup, Evidently Elena’s role at Evidently Why is Evidently open source? “People will just copy my open source code. Should I be concerned?” Bottom-up adoption Creating value so that clients engage with your product Is there a difference between countries when creating a startup? Does open source mean the data is safer? When should you hire engineers? Following the market Startups out of genuine interest vs Just for money and for fun Links: EvidentlyAI: Elena's LinkedIn: Elena's Twitter: Join DataTalks.Club: Our events:
July 16, 2021
Big Data Engineer vs Data Scientist - Roksolana Diachuk
Links: Twitter: LinkedIn: Join DataTalks.Club: Our events:
July 09, 2021
Build Your Own Data Pipeline - Andreas Kretz
We talked about: Andreas’s background Why data engineering is becoming more popular Who to hire first – a data engineer or a data scientist? How can I, as a data scientist, learn to build pipelines? Don’t use too many tools What is a data pipeline and why do we need it? What is ingestion? Can just one person build a data pipeline? Approaches to building data pipelines for data scientists Processing frameworks Common setup for data pipelines — car price prediction Productionizing the model with the help of a data pipeline Scheduling Orchestration Start simple Learning DevOps to implement data pipelines How to choose the right tool Are Hadoop, Docker, Cloud necessary for a first job/internship? Is Hadoop still relevant or necessary? Data engineering academy How to pick up Cloud skills Avoid huge datasets when learning Convincing your employer to do data science How to find Andreas Links: LinkedIn: Data engieering cookbook: Course: Join DataTalks.Club: Our events:
July 02, 2021
From Software Engineering to Machine Learning - Santiago Valdarrama
We talked about: Santiago’s background “Transitioning to ML” vs “Adding ML as a skill” Getting over the fear of math for software developers Learning by explaining Seven lessons I learned about starting a career in machine learning Lesson 1 – Take the first step Lesson 2 – Learning is a marathon, not a sprint Lesson 3 – If you want to go quickly, go alone. If you want to go far, go together. Lesson 4 – Do something with the knowledge you gain Lesson 5 – ML is not just math. Math is not scary. Lesson 6 – Your ability to analyze a problem is the most important skill. Coding is secondary. Lesson 7 – You don’t need to know every detail Tools and frameworks needed to transition to machine learning Problem-based learning vs Top-down learning Learning resources Santiago’s favorite books Santiago’s course on transitioning to machine learning Improving coding skills Building solutions without machine learning Becoming a better engineer What is the difference between machine learning and data science? Getting into machine learning - Reiteration Getting past the math Links: Santiago's Twitter: Santiago's course: Pinned tweet with a roadmap: Join DataTalks.Club: Our events:
June 25, 2021
Analytics Engineer: New Role in a Data Team - Victoria Perez Mola
Links: Join DataTalks.Club: Our events: Conference:
June 18, 2021
Data Governance - Jessi Ashdown, Uri Gilad
We talked about: Jessi’s background Uri’s background Data governance Implementing data governance: policies and processes Reasons not to have data governance Start with “why” Cataloging and classifying our data Let data work for you The human component Data quality Defining policies Implementing policies Shopping-card experience for requesting data Proving the value of data catalog Using data catalog Data governance = data catalog? Links: Book: Jessi’s LinkedIn: Uri’s LinkedIn: Uri’s Twitter: Join DataTalks.Club: Our events: Conference:
June 11, 2021
What Data Scientists Don’t Mention in Their LinkedIn Profiles - Yury Kashnitsky
We talked about: Yury’s background Failing fast: Grammarly for science Not failing fast: Keyword recommender Four steps to epiphany Lesson learned when bringing XGBoost into production When data scientists try to be engineers Joining a fintech startup: Doing NLP with thousands of GPUs Working at a Telco company Having too much freedom The importance of digital presence Work-life balance Quantifying impact of failing projects on our CVs Business trips to Perm: don’t work on the weekend What doesn’t kill you makes you stronger Links: Yury's course: Yury's Twitter: Join DataTalks.Club: Our events:
June 04, 2021
Becoming a Data-led Professional - Arpit Choudhury
We talked about: Data-led academy Arpit’s background Growth marketing Being data-led Data-led vs data-driven Documenting your data: creating a tracking plan Understanding your data Tools for creating a tracking plan Data flow stages Tracking events — examples Collecting the data Storing and analyzing the data Data activation Tools for data collection Data warehouses Reverse ETL tools Customer data platforms Modern data stack for growth Buy vs build People we need to in the data flow Data democratization Motivating people to document data Product-led vs data-led Links: Join our Slack:
May 28, 2021
How to Market Yourself (without Being a Celebrity) - Shawn Swyx Wang
We talked about: Shawn’s background and his book Marketing ourselves Components of personal marketing Personal brand for an average developer Picking a domain: what to write about? Being too niche Finding a good niche Learning in public Borrowed platforms vs own platform Starting on social media: Picking what they put down Career transitioning: mutual exchange of value Personal marketing for getting a new job Getting hired through the back door Finding content ideas Marketing yourself in public — summary Open-source knowledge Internal marketing: promoting ourselves at work Signature initiative Public speaking Wrapping up Discount for the coding career book 75% of the engineering ladder criteria are not technical Links: Shawn's personal page: Twitter: Book of the week page: (with a discount for DTC members!) Join DataTalks.Club: Our events:
May 21, 2021
From Physics to Machine Learning - Tatiana Gabruseva
We talked about: Tatiana’s background 12 career hacks and changing career Hack #1: Change your social circle Hack #2: Forget your fears and stereotypes Hack #3: Forget distractions Hack #4: Don’t overestimate others and don’t underestimate yourself Hack #5: Attention genius Hack #6: Make a team Hack #7: Less is more. Forget about perfectionism Hack #8: Initial creation Hack #9: Find mentors Hack #10: Say “no” Hack #11: Look for failures Hack #12: Take care of yourself Kaggle vs internships and pet projects Resources for learning machine learning Starting with Kaggle Improving focus Astroinformatics How background in Physics is helpful for transitioning Leaving academia Preparing for interviews Links: Mock interviews: Learning ML: and Python:  SQL:  Practice: MIT 6.006: Coding: System design: Ukrainian telegram groups for interview preparation:,, Join DataTalks.Club:
May 14, 2021
What I Learned After Interviewing 300 Data Scientists - Oleg Novikov
We talked about: Oleg’s background Standing out in recruitment process NextRound — a service for free mock interviews Why rejections are generic Starting NextRount — preparing a list of situations Steps in the interview process Read the job description! CV is your landing page Take-home assignments Questions about your past experience Hypothetical case questions Technical rounds Handling rejections What to do after receiving an offer? Do recruiters pay attention to age? Getting a job with a PhD — it’s a cold start problem Should I answer rejection emails? Negotiating when my salary is low Should I apply for jobs that require 5 years of experience? Tricking applicant tracking systems What else Oleg learned after interviewing 300 data scientists How a horse's ass determined the design of a space shuttle Links: Oleg's service for interviews: LinkedIn: Join DataTalks.Club:
May 07, 2021
Effective Communication with Business for Data Professionals - Lior Barak
We talked about: DataTalks.Club intro Lior’s background Who is a data strategist? Improving communication between business and tech Building trust Putting data and business people together Dealing with pushbacks Building things in the lean way (and growing tomatoes) Starting with ugly code Convincing others to take our code MVP vs development and Hummus Talking to people who can’t code Break down the silos Hummus Hummus places in Berlin Lior’s book: Data is Like a Plate of Hummus Data chaos Links: Book: (can be found on any amazon store) Company: Podcast: Linkedin: Twitter: Hummus places in Berlin: Azzam: Akkawy: The Eatery Berlin: Join DataTalks.Club:
April 30, 2021
Data Observability - Barr Moses
We covered: Barr’s background Market gaps in data reliability Observability in engineering Data downtime Data quality problems and the five pillars of data observability Example: job failing because of a schema change Three pillars of observability (good pipelines and bad data) Observability vs monitoring Finding the root cause Who is accountable for data quality? (the RACI framework) Service level agreements Inferring the SLAs from the historical data Implementing data observability Data downtime maturity curve Monte carlo: data observability solution Open source tools Test-driven development for data Is data observability cloud agnostic? Centralizing data observability Detecting downstream and upstream data usage Getting bad data vs getting unusual data Links: Learn more about Monte Carlo: The Data Engineer's Guide to Root Cause Analysis: Why You Need to Set SLAs for Your Data Pipelines: Data Observability: The Next Frontier of Data Engineering: To get in touch with Barr, ping her in the DataTalks.Club group or use Join DataTalks.Club:
April 23, 2021
Shifting Career from Analytics to Data Science - Andrada Olteanu
We talked about: Andrada’s background Recommended courses Kaggle and StackOverflow Doing notebooks on Kaggle Projects for learning data science Finding a job and a mentor with Kaggle’s help The process for looking for a job Main difficulties of getting a job Project portfolio and Kaggle Helpful analytical skills for transitioning into data science Becoming better at coding Learning by imitating Is doing masters helpful? Getting into data science without a masters Kaggle is not just about competitions The last tip: use social media Links: Join DataTalks.Club:
April 16, 2021
Transitioning from Project Management to Data Science - Ksenia Legostay
We talked about: Knesia’s background Data analytics vs data science Skills needed for data analytics and data science Benefits of getting a masters degree Useful online courses How project management background can be helpful for the career transition Which skills do PMs need to become data analysts? Going from working with spreadsheets to working with python Kaggle Productionizing machine learning models Getting experience while studying Looking for a job Gap between theory and practice Learning plan for transitioning Last tips and getting involved in projects Links: Notes prepared by Ksenia with all the info: Join DataTalks.Club:
April 09, 2021
Building Online Tech Communities - Demetrios Brinkmann
We talked about: Demetrious’ background and starting the MLOps community Growing MLOps community Community moderations and dealing with problems Becoming a community and connecting with people Feeling belonged Managing a community as an introvert Keeping communities active Doing custdev and talking to users Random coffee and meeting with community members Organizing community activities Is community a business? Five steps for starting a community in 2021 Shameless plug from Demetrious Links: Join DataTalks.Club:​
April 02, 2021
DataOps 101 - Lars Albertsson
We talked about: Lars’ career Doing DataOps before it existed What is DataOps Data platform Main components of the data platform and tools to implement it Books about functional programming principles Batch vs Streaming Maturity levels Building self-service tools MLOps vs DataOps Data Mesh Keeping track of transformations Lake house Links: Join DataTalks.Club:​​​
March 26, 2021
The Essentials of Public Speaking for Career in Data Science - Ben Taylor
We talked about: Ben’s background AI evangelism Ben’s first experiences speaking in public Becoming a great speaker  Key Takeaways and Call to Action Making a good introduction Being Remembered Writing a talk proposal for conferences Landing a keynote Good topics to start talks on Pitching a solution talk to meetup organizers Top public speaking skill to acquire Book recommendations Join DataTalks.Club:​​​
March 19, 2021
New Roles and Key Skills to Monetize Machine Learning - Vin Vashishta
We discussed monetization roles and the capabilities people need to move into those roles. The key roles are ML Researcher, ML Architect, and ML Product Manager. We talked about: Vin's career journey What does it mean to "monetize machine learning" Important monetization metrics Who should we have on the team to make a project successful Machine Learning Researcher (applied and scientist) - background, responsibilities, and needed skills Developing new categories  The best recipe for a startup: angry users + data scientists What research actually is ML Product Manager - background, responsibilities, and needed skills How product managers can actually manage all their responsibilities (and they have a lot of them!) ML Architect - background, responsibilities, and needed skills Path to becoming an architect  How should we change education to make it more effective  Important product metrics And more!  Links:​​​ Join DataTalks.Club:​
March 12, 2021
Personal Branding - Admond Lee Kin Lim
We talked about:  Admond's career journey What is personal brand How Admond started being active online Publishing on medium and LinkedIn Idea generation process and tools Other platforms Podcasts Offline presence 1x1 meetings Speaking on conferences Having confidence to publish Selling online courses Personal values Admond's course And many other things Links: Join DataTalks.Club:
March 05, 2021
The ABC’s of Data Science - Danny Ma
Did you know that there are 3 types different types of data scientists? A for analyst, B for builder, and C for consultant - we discuss the key differences between each one and some learning strategies you can use to become A, B, or C. We talked about: Inspirations for memes  Danny's background and career journey The ABCs of data science - the story behind the idea Data scientist type A - Analyst  Skills, responsibilities, and background for type A Transitioning from data analytics to type A data scientist (that's the path Danny took) How can we become more curious? Data scientist B - Builder  Responsibilities and background for type B Transitioning from type A to type B Most important skills for type B Why you have to learn more about cloud  Data scientist type C - consultant Skills, responsibilities, and background for type C Growing into the C type Ideal data science team Important business metrics Getting a job - easier as type A or type B? Looking for a job without experience Two approaches for job search: "apply everywhere" and "apply nowhere" Are bootcamps useful? Learning path to becoming a data scientist Danny's data apprenticeship program and "Serious SQL" course  Why SQL is the most important skill R vs Python Importance of Masters and PhD Links: Danny's profile on LinkedIn: Danny's course: Trailer: Technical debt paper: Join DataTalks.Club:
February 26, 2021
Translating ML Predictions Into Better Real-World Results with Decision Optimization - Dan Becker
We talked about: How we make decisions with machine learning What is decision optimization  Specifying the decision function Emulation for making the best decisions Decision optimization and reinforcement learning Getting started with decision optimization Trends in the industry Links:​ Join DataTalks.Club:
February 19, 2021
Feature Stores: Cutting through the Hype - Willem Pienaar
We covered: What is a feature store Problems it solves When to use a feature store  When not to use a feature store The main components When a team should start using a feature store  Links: Feast: Join DataTalks.Club:​​​
February 12, 2021
The Rise of MLOps - Theofilos Papapanagiotou
We covered: What is MLOps The difference between MLOps and ML Engineering Getting into MLOps Kubeflow and its components, ML Platforms Learning Kubeflow DataOps  And other things Links: Microsoft MLOps maturity model: Google MLOps maturity levels: MLOps roadmap 2020-2025: Kubeflow website: TFX Paper: Join DataTalks.Club:​​
February 05, 2021
Getting Started with Open Source - Vincent Warmerdam
We talked about  open source getting started with open source convincing your employer to contribute to open source public speaking the checklist for open source projects the role of research advocate And many more things! Links from Vincent: Join DataTalks.Club:​
January 29, 2021
Developer Advocacy for Data Science - Elle O'Brien
We talked about development advocacy for data science. We covered The role of a developer advocate The skills needed for the job and the responsibilities How to become a developer advocate You can find Elle on: Twitter: LinkedIn: DVC's youtube channel: Join DataTalks.Club:
January 23, 2021
The Importance of Writing in a Tech Career - Eugene Yan
We talk about blogging technical writing. We cover: Why should we write online? What should we write about? Writing at work: Design documents, wikis, etc. The writing process (also at work) Eugene's website:  Follow Eugene on Twitter: Suggest topics: Join DataTalks.Club:
January 15, 2021
Mentoring - Rahul Jain
We talked about: The role of mentoring in career Looking for mentors and preparing for mentoring sessions as a mentee Becoming a mentor And many other things!  Links: Rahul's profile on the mentoring club: Rahul's article about mentoring: Join DataTalks.Club:
December 25, 2020
Standing out as a Data Scientist - Luke Whipps
We covered: Getting the recruiter's attention Making CV look great Tailoring your application to the position  And many other things!  Luke's LinkedIn profile: Join DataTalks.Club:
December 18, 2020
Building a Data Science Team - Dat Tran
We talked about:  Dat's career so far and the startup he co-founded (Priceloop) Who to hire first in a data team How to hire the first data scientist And many other things! You can find Dat on LinkedIn: Join DataTalksClub:
December 11, 2020
Processes in a Data Science Project - Alexey Grigorev
In this podcast, we talk about CRISP-DM - a methodology for organizing data science projects DataTalks.Club is the place to talk about data. Join our community: Read more about CRISP-DM here:
December 04, 2020
Roles in a data team - Alexey Grigorev
We talked about: - different roles in a data team: product managers, data analysts, data engineers, data scientists, ML engineers, MLOps engineers - their responsibilities - the skills they need DataTalks.Club is the place to talk about data. Join our community:
November 21, 2020