Your complete guide to cracking tech interviews
InterviewStack covers every stage of the technical interview process — behavioral, system design, algorithms, JavaScript, and AI-assisted coding. Built by engineers, for engineers.
Everything You Need to Get Hired
Six complete sections covering the full interview loop at top tech companies. Each guide includes real examples, practice problems, and proven strategies.
Prep by Role & Level
2–3 week cheat sheets for new grads, mid-level, and senior/staff/principal engineers. Know exactly what to study.
Behavioral Interview
Master the STAR method, 50+ common questions with answers, leadership stories, and conflict resolution.
System Design
Design Twitter, Netflix, Uber, WhatsApp and more. Based on Grokking the System Design Interview.
Algorithms & LeetCode
Top patterns and 150+ problems with solutions. Sliding window, DP, graphs, trees, and more.
JavaScript Fundamentals
Closures, event loop, promises, prototypes, and ES6+ features — the JS questions interviewers love.
AI & Agentic Coding
Learn to work with AI coding agents, prompt effectively, and build with the Claude API and Anthropic SDK.
Your Interview Prep Roadmap
Follow these steps to systematically prepare for your next tech interview.
Understand the Interview Process
Learn what each round looks like and how to prepare strategically.
02Nail Your Behavioral Stories
Craft compelling STAR stories that showcase your impact.
03Master Data Structures & Algorithms
Practice the patterns that appear in 90% of coding interviews.
04Design Large-Scale Systems
Learn to design systems like Twitter, Netflix, and Uber from scratch.
Ready to land your dream job?
Thousands of engineers have used these resources to get offers at Google, Meta, Amazon, and top startups. Start today — it's completely free.