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
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.
Focus Areas
- Crafting resilient services with Go, TypeScript, and distributed architectures.
- Investigating transparency and open-data initiatives across Mexico.
- Transforming monoliths into maintainable microservices with pragmatic patterns.
Latest Writing
Fresh insights on software and transparency
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
6 min read
Knex.js transaction + pg-boss: keep API writes and jobs consistent
A practical knex.js transaction + pgboss pattern that keeps database writes and pg-boss jobs consistent in one PostgreSQL transaction.
#nodejs
#express
#knexjs
5 min read
Does Vibe Coding Kill Open Source? Notes on a New Paper
A plain-English breakdown of "Vibe Coding Kills Open Source" and practical ways maintainers, users, and AI toolmakers can keep OSS sustainable.
#open source
#vibe coding
#generative ai