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nodejs·Jan 28, 2026

MongoDB modeling mistakes that show up late

Document shape, indexes, and the day the working set stops fitting in memory.

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Mohamed Meabed

Startup CTO · hands-on AI engineer

I write about AI systems, delivery loops, defensive programming, and the team habits that keep real products useful.

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Notes on systems that have to work.

Field lessons, AI workflows, and delivery loops for code that just works. No filler.

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agent ai ansible architecture aws backend ci-cd command config defensive-programming dependency-management devops evals expo gcp graphql hono idempotency kubernetes llm local-tooling loop mongodb nodejs prompt rag react-native reliability skill system-design terraform testing typescript workflow

Engineering notes from systems that had to work: AI in production, defensive programming, small tools, hands-on engineering leadership, and the operating habits that help teams ship with clarity.

hands-on leadership · defensive programming · reliable delivery

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© 2026 Mohamed Meabedbuilt close to the repo · written for engineers