Free Guides
Practical engineering references
Guides I wish I had when starting out. Free to read, bookmark, and share.
Backend API Design Checklist
A practical checklist for designing clean, consistent, and production-ready REST APIs.
4 min read
Production Debugging Playbook
A step-by-step framework for investigating production issues quickly and systematically.
5 min read
System Design Interview Basics
Core concepts and patterns you need for system design interviews, explained simply.
5 min read
Clean Code Principles for Backend Engineers
Practical coding principles that make your backend code readable, maintainable, and team-friendly.
10 min read
Software Engineer Interview Prep Guide
What to study, how to practice, and what interviewers actually look for at each stage.
15 min read