Custom Background Job Queue
Build a Postgres-backed job queue from scratch — retries, scheduling, idempotency. Teaches durable-queue fundamentals.
About this project
Job queues are the unsung backbone of every product. This project teaches the durable-queue pattern by building one from scratch on Postgres: schedule jobs, retry on failure, claim jobs atomically with SELECT FOR UPDATE SKIP LOCKED, and run a worker pool that scales horizontally. Bonus: build the dashboard. Background jobs + observability is a senior-backend hiring sweet spot.
Why build this in 2026?
AI workflows are largely async — knowing how to build a durable, monitorable queue is core to AI-product backend work.
What you'll ship
- GitHub repo
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