Loop

System Design

Think in systems, speak at the mid-level bar.

Mid-level system design: every building block animated, a repeatable 8-step delivery framework, and walkthroughs of the questions companies actually ask.

0 of 46 lessons · 7 modules

0% complete

  1. 01

    Scaling & Traffic Fundamentals

    How systems grow from one box to many, and how requests find their way.

  2. 02

    Databases & Storage

    Choosing, indexing, replicating, and partitioning the layer where the data lives.

  3. 03

    Caching, Consistency & Search

    Making reads fast while keeping the truth straight.

  4. 04

    Async Systems & APIs

    Queues, real-time protocols, service boundaries, and keeping it all observable.

  5. 05

    The Delivery Framework

    One repeatable 8-step template applied to every design question, tuned to the mid-level bar.

  6. 06

    Core Design Questions

    The seven most-asked mid-level questions, each a step-gated framework walkthrough.

  7. 07

    Advanced Design Questions

    Heavier data-flow and read/write-path questions to round out coverage.