Senior Backend Engineer with 6+ years of experience building B2B, financial, and multi-tenant systems. My work focuses on backend architecture, PostgreSQL performance, concurrency and race conditions, observability, and production reliability.
Recently, I optimized a critical monolithic workflow and reduced its P95 latency by 50%. I have also maintained APIs serving more than 1 million monthly requests with a server-error rate below 0.004%.
I am looking for a remote Senior Backend Engineer or Backend Platform role, preferably through a B2B/contractor arrangement. I value teams with clear architectural ownership, rigorous code reviews, direct communication, and a pragmatic approach to building reliable software.
Senior Backend Engineer with 6+ years of experience. I specialize in high-concurrency architecture, solving race conditions under scale, and resolving deep technical bottlenecks.
Recently optimized a monolithic workflow, reducing P95 latency by 50% while sustaining 1M+ monthly requests with a 99.996% crash-free rate. Currently operating heavily in the Node.js/TS ecosystem, while actively expanding into Golang.
I am looking for a mature engineering culture that values clean architecture, robust code reviews, and pragmatic problem-solving over hype-driven development. Available for B2B/Contractor roles.
I really want to move my personal code away from GitHub, but I really don't know an alternative that will be as good as GitHub to serve as a Portfolio and a good service. Maybe Codeberg or GitLab, I really don't know
For portfolio and service only, virtually any GH alternative discussed here will do it. Even a self-hosted cgit or static page git browser will do it for read-only.
Remote: Yes, available for US and European time-zone overlap
Willing to relocate: Not currently
Technologies: TypeScript, Node.js, NestJS, PostgreSQL, Azure, AWS, Docker, OpenTelemetry, MongoDB; currently learning Go
Résumé/CV: https://felipeheredia.com LinkedIn: https://linkedin.com/in/f-heredia
Email: hello [at] felipeheredia [dot] com
Senior Backend Engineer with 6+ years of experience building B2B, financial, and multi-tenant systems. My work focuses on backend architecture, PostgreSQL performance, concurrency and race conditions, observability, and production reliability.
Recently, I optimized a critical monolithic workflow and reduced its P95 latency by 50%. I have also maintained APIs serving more than 1 million monthly requests with a server-error rate below 0.004%.
I am looking for a remote Senior Backend Engineer or Backend Platform role, preferably through a B2B/contractor arrangement. I value teams with clear architectural ownership, rigorous code reviews, direct communication, and a pragmatic approach to building reliable software.