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  1. Our Background Jobs Exhausted the Database Pool. Then the API Stopped Working.

    How shared database connections turned grade recalculations into an API outage, and what bounded execution fixed.

    Technical Articles
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  2. Why Our Next.js Deployments Took 30 Minutes

    How a 9.48 GB Next.js image became part of an 18–30 minute deployment path, why the shared image was optimized without redesigning tenant workflows, and what changed after rollout.

    Technical Articles
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  3. What Duplicate Users Taught Me About Outbox and Idempotency

    A production support incident led me to separate durable work from duplicate-safe processing with an outbox, an inbox, and idempotency.

    Technical Articles
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  4. How Java's Concurrency APIs Fit Together

    A beginner-friendly map of Java concurrency APIs organized by the problems they solve.

    Technical Articles
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  5. Demystifying Authentication in Spring Security

    A guided tour through Spring Security authentication, providers, filter chains, and security context persistence.

    Technical Articles
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