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Free guides that actually move the needle

Cheatsheets, prep guides, and reference material built from real FAANG interviews — no email wall to read them, no fluff.

The library

Covering every round you'll face

Each guide is hand-made to map directly to a skill FAANG interviews test — so you study the right things, not everything.

DSA Cheatsheets

Pattern-by-pattern references for arrays, trees, graphs, heaps, and DP.

System Design

Scalability primitives, real architectures, and trade-off frameworks.

Coding Patterns

The handful of patterns that unlock most interview problems.

Interview Tips

What FAANG interviewers actually look for, round by round.

Behavioral Prep

STAR stories and leadership-principle prep that lands offers.

Career Playbooks

Resume, recruiter outreach, and offer-negotiation guides.

The Bookshelf

The books I actually recommend — crack the interview, grow on the job, and keep your head in the game.

Browse the bookshelf

The Paper Shelf

26 distributed-systems papers — each with the production lesson and the interview edge it gives you.

Browse the paper shelf

Latest guides

6 guides · always free

Career Guide★ Featured

The FAANG Interview Resource Guide

Every resource I actually recommend for FAANG interviews — DSA patterns, 59 system-design concepts, the papers worth reading, and the behavioral round.

15 downloadsGet free guide

Coding Patterns★ Featured

15 LeetCode Patterns, One Real Problem Each

The 15 coding-interview patterns that cover most FAANG problems — one worked example each, 120+ verified problems, clean Java skeletons, and a 60-second triage method.

3 downloadsGet free guide

Behavioral

The Behavioral Interview Story Matrix

Build a story bank for any behavioral question — the 16 Leadership Principles, how the round is really scored, 8 common mistakes with fixes, and the STAR worksheet.

Free downloadGet free guide

Interview Tips

The FAANG Interview Game Plan

The FAANG interview game plan: the coding routine, two full system-design walkthroughs, STAR behavioral prep with do's/don'ts, and the Amazon loop decoded round by round.

2 downloadsGet free guide

AI & Certifications

The Claude Certification Map (2026)

A decision guide to all four Claude certification exams plus the Claude Code badge — what each covers, who can register today, and the real price by tier.

Free downloadGet free guide

AI & Certifications★ Featured

The Complete CCA-F Study Kit

Everything I used to pass the Claude Certified Architect – Foundations exam: all five domains task by task, patterns and anti-patterns, 30+ practice questions.

Free downloadGet free guide

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