Your personalized coding interview prep hub. Every video and solution follows the BASIC Framework — a science-backed method designed specifically for how engineers think under interview pressure.
14 patterns, Java + Python
Full solved library
Visual pattern map
Pattern recognition drills
Manage your account
Every solution in PatternMastery follows this science-backed method. It's engineered for how engineers think during coding interviews — proven to improve pattern retention.
Focus on the patterns each company asks most. Click a company to view its curated problem set.
250 curated problems across 14 patterns with interactive map, drag/zoom, and progress tracking.
Video walkthroughs for every problem in both languages. New videos added continuously.
Google, Meta, Amazon, Apple, Microsoft, Uber, Stripe, Airbnb — see which patterns each asks most.
Every solution follows B.A.S.I.C. — proven to help your brain memorize patterns faster.
Daily practice streaks, visual progress boards across all 14 patterns. Stay consistent.
In-depth guides for each pattern: when to use it, how to recognize it, and key variations.
Pattern recognition drills. Test your ability to identify the right approach before coding.
Pre-interview prep lists, day-of guides, and post-interview review templates.
Full-length course covering all major data structures and algorithm patterns from scratch.
All new content, videos, features, and patterns added after launch — at no extra cost.