Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Latest Blog Posts
All articlesAI in Data Science: How Experts Decide What to Automate
Learn how experts use AI in data science, which tasks they automate, where human judgment still matters, and how the AI data scientist workflow is evolving.

Tihomir Babic -

Meet StrataAI: Your Built-In Coding Tutor on StrataScratch
StrataAI is StrataScratch’s new AI coding tutor. See how it explains questions, gives hints, and debugs your code without ever handing you the full answer.

Nathan Rosidi -

50 LLM Interview Questions and Answers for 2026
Beginner to advanced LLM interview questions with real practice and system design.

Sara Nobrega -

How AI Changed the Data Science Interview
The data science job changed. Job interviews changed. Did you adapt, or are you still preparing for an interview that no longer exists?

Tihomir Babic -
Career
All Career articles
How AI Changed the Data Science Interview
The data science job changed. Job interviews changed. Did you adapt, or are you still preparing for an interview that no longer exists?

Tihomir Babic -

You’re Not Unemployed. You’re Unemployable. (Here’s Why.)
Five reasons your data science job search isn't working, and what to fix before sending another application.

Tihomir Babic -
Interviews
All Interviews articles
50 LLM Interview Questions and Answers for 2026
Beginner to advanced LLM interview questions with real practice and system design.

Sara Nobrega -

How AI Changed the Data Science Interview
The data science job changed. Job interviews changed. Did you adapt, or are you still preparing for an interview that no longer exists?

Tihomir Babic -
Guides
All Guides articles
AI in Data Science: How Experts Decide What to Automate
Learn how experts use AI in data science, which tasks they automate, where human judgment still matters, and how the AI data scientist workflow is evolving.

Tihomir Babic -

50 LLM Interview Questions and Answers for 2026
Beginner to advanced LLM interview questions with real practice and system design.

Sara Nobrega -
Companies
All Companies articles
What Does It Take to Be a Data Engineer at Google
Journeying through Skills, Perks, and Application Insights for Aspiring Google Data Engineers

Nathan Rosidi -

Microsoft SQL Interview Questions
We'll discuss one of the interesting Microsoft SQL interview questions to help prepare you for applying for a role as a Microsoft data scientist.

Nathan Rosidi -
Product Updates
All Product Updates articles
Meet StrataAI: Your Built-In Coding Tutor on StrataScratch
StrataAI is StrataScratch’s new AI coding tutor. See how it explains questions, gives hints, and debugs your code without ever handing you the full answer.

Nathan Rosidi -

StrataScratch’s Data Project and Mini-Analysis Grader and Evaluator
Every data project and mini-analysis you submit gets read by an AI that scores five dimensions, catches six cardinal sins, and refuses – on principle – to hand you the fix.

Nathan Rosidi -
