Hi, I'm Leo.

Notes on building, scaling, and running reliable systems.

I work on the quiet parts of systems that make change stick. From greenfield builds to legacy migrations, I’ve helped teams scale platforms without losing reliability, security, or their sanity.

Here I share field notes from that work — practical lessons from real systems, real constraints, and the trade-offs we usually don’t write about.

Recent Posts

• Reducing Credential Risk Without Breaking DX

  27 Dec, 2025

  Eliminating static RDS credentials with IAM authentication — lower risk, minimal developer friction.

• DevOps Started When Production Failed

  22 Dec, 2025

  A real story of how I started doing DevOps without knowing it was DevOps. Production failed, there were no answers, and the problem stopped being technical and became mental: how to build systems that can fail without breaking you in the process.

• DevOps in Practice

  16 Dec, 2025

  What DevOps looks like when you stop chasing theory and start fixing the pain points that hurt production.

• Where the Real Impact Is (and Where It Isn’t)

  13 Dec, 2025

  A short reflection on perfectionism, real impact, and what launching this blog reminded me about building systems.