Helping every developer
ace their next interview
InterviewOS is a unified platform that brings together DSA patterns, frontend mastery, system design, and hands-on coding — everything you need to prepare with confidence.
What is InterviewOS?
Technical interviews are broken. Candidates spend months jumping between scattered resources — grinding random LeetCode problems, watching YouTube tutorials, and reading disconnected blog posts. There's no structure, no feedback loop, and no way to know when you're truly ready.
InterviewOS changes that. We built a single platform that organizes the entire interview preparation journey into clear, actionable modules. From two-pointer patterns to React deep-dives, from system design fundamentals to live coding challenges — it's all here, structured and interconnected.
Our in-browser Studio IDE lets you write real code, preview UI components live, and practice building production-quality features — no local setup required. Every topic follows a learn → practice → master progression that mirrors how the best engineers actually prepare.
What we believe in
The principles that guide how we build InterviewOS.
Practice-First Learning
Every concept is reinforced with hands-on coding exercises. Theory alone doesn't get you hired — deliberate practice does.
Community Driven
Built by developers, for developers. Our content is continuously shaped by real interview experiences at top companies.
Structured Roadmaps
No more guessing what to study next. Follow curated paths from fundamentals to advanced topics in every domain.
Real-Time Feedback
Write code, see results instantly. Our in-browser IDE gives you the full development experience without any setup.
Production-Grade Tooling
A Monaco-powered code editor, multi-file projects, live preview — built to match the tools you use every day.
Always Free Core
Core features remain free forever. We believe every developer deserves access to quality interview preparation.
Ready to start preparing?
Join thousands of developers using InterviewOS to prepare smarter, not harder.