Learning roadmaps
Know exactly what to learn next.
Every subject, mapped end to end — phase by phase, topic by topic. No guessing what comes next, no missing fundamentals. Pick a track and follow the path.
Low-Level Design
Go from raw object-oriented fundamentals to designing real, interview-ready systems — modeling, UML, SOLID, every design pattern, concurrency, and a graded ladder of machine-coding problems you can actually finish under a timer. Code examples lean on Java, but every concept is language-agnostic.
Data Structures & Algorithms
From arrays and recursion to graphs, dynamic programming, and the recurring patterns that crack coding interviews.
High-Level Design
Scale from a single server to globally distributed systems. Master the building blocks — networking, databases, caching, queues, consistency, and resilience — then put them together on the classic system-design interview problems, from a URL shortener to a global ride-sharing platform.
More tracks are on the way. Roadmaps marked soon are being built out next.