Spannmal
Cultivating reliable software.
For twenty years I've built the backend systems companies actually run on. Spannmal brings that experience to teams wherever they're building.
Get in touchAbout
I'm Hernán Erasmo, a software engineer with twenty years of experience designing and building backend systems. I partner with teams to ship software that is reliable, maintainable, and built to last, from architecture and APIs down to the unglamorous details that keep systems running in production.
What I do
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Backend & systems engineering
APIs, services, and data pipelines designed for correctness and built to scale.
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Architecture & technical design
Turning ambiguous requirements into clear, durable system designs and a path to ship them.
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Consulting & code review
A senior pair of eyes on your architecture, codebase, and the hard technical calls.
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Reliability & cloud
Deploying, observing, and hardening systems so they stay healthy long after launch.