Abel Kevin Ngaleu
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Notes

Cloud, AI, and notes from the trenches.

  • 70 microservices was too many

    2026-05-02 · 4 min read

    We built a Transfer Agent platform on 70+ services for a Tier-1 bank. It worked. It also dragged. If I rebuilt it today I'd ship 15 to 20.

    ArchitectureMicroservicesEngineering
  • Agentic loops are just state machines

    2026-04-22 · 3 min read

    Stop calling them thinking. They're FSMs with vibes, and that reframing is what makes them debuggable.

    AIAgentsEngineering
  • The real AWS cost trap (it's not what you think)

    2026-03-15 · 3 min read

    Three quiet line items that bleed money on every AWS bill I've audited. NAT Gateway, idle compute, cross-AZ data transfer.

    AWSFinOps
  • Why I write books as an engineer

    2026-02-10 · 4 min read

    Three books in. Here's what I tell people who ask me why I do it while also coding full-time.

    WritingCareerEngineering
Abel Kevin Ngaleu

Cloud & AI Engineer based in Luxembourg.

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