Backend engineer specializing in Go, distributed systems, and fintech & crypto infrastructure. Writing about scalable systems, event-driven architecture, and engineering practice — in English and Portuguese.https://felipecooper.dev/enhttps://felipecooper.dev/blog/finding-goroutine-leaks/https://felipecooper.dev/blog/finding-goroutine-leaks/How a worker pool that nobody closed leaked goroutines on every call — and what the fix taught me about ownership of concurrency in library code.Thu, 11 Jun 2026 00:00:00 GMThttps://felipecooper.dev/blog/rebuilding-my-website/https://felipecooper.dev/blog/rebuilding-my-website/Why I moved from Hugo to Astro, and how this site publishes bilingual technical articles from plain MDX files.Thu, 11 Jun 2026 00:00:00 GMT