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Backend

Backend Overview

What this topic covers Backend study usually moves from request handling to persistence, caching, jobs, and observability. Revision checkpoints Trace a request from router to datab...

Beginner17 Apr 2026#backend#systems#apis

What this topic covers

Backend study usually moves from request handling to persistence, caching, jobs, and observability.

Revision checkpoints

  • Trace a request from router to database and back.
  • Understand latency, throughput, and failure boundaries.
  • Design APIs so they stay stable as the product grows.
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