Preparation Notes

Access our curated collection of notes and cheatsheets to help you study smarter, not harder.

Data Structures & Algorithms

Key concepts, Big O notation, and common problem patterns.

Technical

System Design Fundamentals

Scalability, CAP theorem, load balancing, and more.

Technical

Behavioral Interview Prep

STAR method, common questions, and how to frame your answers.

Behavioral

Frontend Engineering Cheatsheet

React hooks, CSS tricks, and web performance tips.

Technical

Product Management Frameworks

CIRCLES, AARRR, and other essential PM frameworks.

Product

SQL & Database Cheatsheet

Common joins, window functions, and optimization.

Technical