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Advanced6 weeks3 modules

System Design

Think in systems, interview with confidence

Move from writing code to designing systems. Learn the building blocks — load balancers, caches, queues, replication — then practice composing them into architectures for real products, with the trade-off analysis interviewers and senior engineers expect.

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Curriculum

  1. 1Building Blocks

    • Load balancing and horizontal scaling
    • Caching layers and invalidation strategies
    • Message queues and async processing
    • SQL vs NoSQL — an honest comparison

  2. 2Distributed Data

    • Replication, sharding, and partitioning
    • Consistency, availability, and CAP in practice
    • Idempotency and exactly-once illusions
    • Rate limiting and back-pressure

  3. 3Case Studies

    • Design a URL shortener
    • Design a news feed
    • Design a chat system
    • Capstone: design review of your own project