System Design Vault — 15 Architectures

Struggling with system design rounds? This resource gives you 14 production-grade architectures — the kind interviewers at Amazon, Flipkart, Swiggy, and Google actually ask about.

What's inside:

• Interactive Excalidraw board (all 14 designs on one canvas)

• PDF summary with requirements, API design, and entity schemas for each system

• Functional & non-functional requirements per design

• Full entity-relationship breakdowns with field-level detail

• Service architecture with Kafka, Redis, DynamoDB, Cassandra, Elasticsearch and more

Systems covered:

IRCTC (train booking) · Spotify · YouTube · Uber · Amazon · WhatsApp · Twitter · Zoom/MS Teams · Tinder · URL Shortener · Game Leaderboard · Monitoring & Observability · UPI PIN Security · Product Campaign Service

Who is this for:

→ SDEs preparing for system design interviews (SDE-2 and above)

→ Engineers wanting to level up their architecture thinking

→ Anyone building for scale and looking for real reference designs

What you get after purchase:

• Download link to the Excalidraw file (.excalidraw — opens free on excalidraw.com)

• PDF summary document

One-time purchase. No expiry. Yours to keep and revisit before every interview.