Uncoding / Guide
Courses
Self-guided learning tracks
Follow a focused route through the open library, or use a track to find the right material for your next study session.
Java & backend
Build confidence with Java fundamentals and the concepts behind maintainable backend services.
Collections · Streams · Concurrency · Patterns
System design
Learn to shape a solution from requirements, data choices, architecture, and trade-offs.
Architecture · Databases · Patterns · Performance
DSA & problem solving
Strengthen core concepts, work through problems, and turn mistakes into revision prompts.
Complexity · Data structures · Problems · Revision
Interview preparation
Bring technical study together with structured question sets and system design practice.
Question sets · Design prompts · Review · Practice
Personal guidance
Work through your next step with a mentor.
Book interview preparation, a mock interview, a resume review, or a free discovery call.
Need a step-by-step sequence? Use the roadmaps