Level up your dev career with industry-recognized interactive learning
Discover the best dev resources online.
Master system design through bite-sized lessons built for early-career engineers. Build scalable, bulletproof systems with hands-on projects and real-world case studies that make complex concepts click.
Designing LeetCode - A System Design Tutorial for Beginners
Test your understanding of core JavaScript concepts including variables, functions, arrays, objects, and control flow.
A Complete Guide to Sharding for Horizontal Scale and High Availability
A beginner-friendly guide to understanding how data travels through networks using real-world analogies
Evaluate your grasp of system design fundamentals.
