Spring Boot Tutorial 0/110 lessons ~6 min read Lesson 106
Architecture Challenges
Stretch your architecture muscles with these whiteboard-style problems.
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Focus
2 guided sections
Practice signal
Concept-first lesson
Career prep
Foundation builder
Introduction
Stretch your architecture muscles with these whiteboard-style problems.
Understanding the topic
- Design WhatsApp at 1 billion users — messaging, presence, delivery receipts.
- Design Uber's matching service — riders, drivers, geo-indexing.
- Design Instagram's feed — fan-out vs fan-in trade-offs.
- Design a bank ledger — strict consistency, audit, idempotent transfers.
- Design a multi-region active-active Spring Boot service.
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