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System Design Hub

Train architecture thinking with dedicated HLD and LLD tracks.

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Learn

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Clear Learning Path

Learn to design scalable systems and communicate tradeoffs clearly.

  1. 1Finish LLD foundations before full HLD mocks.
  2. 2Practice 2 design scenarios per week.
  3. 3Run one mixed HLD/LLD mock weekly.
  4. 4Refine tradeoff explanations with AI Coach.

Learning Tracks

Low Level Design

Object modeling, APIs, class design, and implementation details.

Start Track

High Level Design

Scalability, distributed systems, and architecture decisions.

Start Track

Practice

Use your track question sheet and start sessions directly.

Question Sheet

Track-focused question lists with direct actions for practice, AI Coach, and AI Interview.

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Support Links

Quick links for mocks, AI coach, and revision.

Start System Design Mock

Interview simulation focused on design and reasoning.

Open

Open AI Coach (System Design)

Review architecture choices and improve answers.

Open

Revision Hub

Store architecture notes and recurring design patterns.

Open

Next Best Start

Minimal, focused sequence for this hub.

1. Start Path2. Practice Questions3. Previous Sessions4. AI Coach