Location: São Luís, Maranhão, Brazil Remote: Yes | Relocate: No (open to US-hours overlap) Stack: React, Next.js, TypeScript, Node.js, Tailwind, Python, Django, LLM/RAG, Docker, CI/CD Links: https://acfilho.dev · https://linkedin.com/in/acfilho · https://github.com/acf77 Email: acfilho@acfilho.dev
Senior/Lead Frontend Engineer (frontend-heavy fullstack OK). ~5 years shipping production web apps for US-facing companies. Fluent English. PhD in biotech, ML focus on clinical diagnostics.
Recent work:
- wisio.app — AI scientific writing platform. Next.js + Python, OpenAI/Cohere, PubMed/Crossref-grounded citations. - Trapiche — deployment PaaS in production. Go, K8s, Cloudflare, Next.js SSR builds. - Murabei — Dev Team Lead, grew team 0→8. React/Next.js frontends + Python/ML backends. - PayPal — merchant API monitoring tool (Node), used daily by 20+ engineers. Reusable UI component libraries, cross-client CI/CD.
Looking for: Frontend-focused roles on AI/product teams — Senior FE, Lead FE, AI Product Engineer, or Founding Engineer with strong UI ownership. Remote, LATAM or global with reasonable US overlap. Target: $7k+ USD/month (contract or equivalent). Available immediately.