Technical Interview Preparation

Practice and study tools grouped by what you are preparing for. Every resource name links straight to the site.

Data, Coding & Algorithms

Coding interview problem bank
Curated LeetCode study roadmap
SQL and data science questions
Coding challenges and assessments
Real data science interview questions
Google and AWS coding practice
Coding interview pattern guides
System design interview practice

SQL Practice

Interactive SQL practice exercises
SQL tutorial with real data

Machine Learning Concepts

Stats and ML, clearly explained
3Blue1Brown YouTube
Visual math and neural networks
Free hands-on ML course
Full ML interview prep guide
Short practical data tutorials

Sports Analytics Specific

Free football event data
Data-driven sports analysis