Staff Software Engineer · Go · TypeScript · Microservices

Hector Yeomans

I build scalable backend systems and lead engineering teams. Focus areas include Go, TypeScript, microservices, and modernizing legacy platforms.

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Focus Areas

01 Crafting resilient services with Go, TypeScript, and distributed architectures.
02 Investigating transparency and open-data initiatives across Mexico.
03 Transforming monoliths into maintainable microservices with pragmatic patterns.

Latest Writing

Fresh insights on software and transparency

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Aug 21, 2026 10 min read

Shared Signals Framework: A Basic Transmitter in Go

Learn what the Shared Signals Framework is, why security events matter, and how to build a small Go transmitter with signed SETs and a SQLite delivery queue.

#golang #ssf #openid

Apr 26, 2026 9 min read

Build a Tiny Certificate Watcher in Go

Step-by-step guide to build a Go certificate watcher that validates TLS cert and key pairs, reports expiry, and reloads on file changes.

#golang #tls #x509

Mar 10, 2026 6 min read

Secure Errors in Go With a Small Layered App

A practical walkthrough of secure error handling in Go using an HTTP, service, and repository architecture.

#golang #error-handling #http

Feb 20, 2026 6 min read

Knex.js and pg-boss in One Transaction

A practical knex.js transaction + pgboss pattern that keeps database writes and pg-boss jobs consistent in one PostgreSQL transaction.

#nodejs #express #knexjs