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Blog category

Real-time systems.

Practical notes, patterns, and lessons from building reliable products in this space.

  • Commerce · Localstreet · Realtime

    Building realtime hyperlocal commerce

    The engineering model behind live neighborhood commerce: merchant-friendly inventory, order state machines, conflict handling, and resilient realtime delivery.

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  • Systems · Performance · Realtime

    Latency is a feature

    Why realtime products need explicit latency budgets, end-to-end measurement, and an architecture that treats waiting as a product defect.

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  • Postgres · Reliability · Backend

    Postgres as a queue

    How to build a dependable job queue with SKIP LOCKED, leases, retries, and idempotency—and how to recognize when the database is no longer enough.

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