⚡ Cheat Sheets

Quick-reference cards for every interview topic

One-page · Dense · Color-coded · Print-friendly

🧩

DSA & Coding

Patterns, complexities, data structures

🏗️

System Design

RESHADED framework, core concepts, estimations

🐍

Python Deep Dive

GIL, asyncio, decorators, internals

🗄️

Databases & SQL

Indexes, joins, normalization, queries

Backend & API

REST, GraphQL, auth, rate limiting

🌐

Distributed Systems

CAP, consensus, replication, partitioning

☁️

AWS & Infrastructure

EC2, Lambda, S3, RDS, networking

🦀

Rust

Ownership, lifetimes, traits, async

🎯

Behavioral & Soft Skills

STAR method, leadership, conflict resolution