Backend engineer building payment systems with Node.js, TypeScript and NestJS. 9+ years of experience (frontend → full stack → backend), the last 3 in fintech on Brazil's PIX instant payment ecosystem.
📍 São José do Rio Preto, Brazil (UTC-3) · 🌎 Remote · 🤝 Open to remote contract and part-time backend or full-stack roles
- Backend and data: event-driven microservices with Kafka, high-volume data on Cassandra, PostgreSQL, REST APIs.
- Payments and compliance: PIX (including recurring payments with Pix Automático), Central Bank of Brazil integrations, regulatory reporting and audit trails.
- Full stack: React, Next.js and React Native. I led the frontend of an enrollment system used by 300k+ students, including its design system and authentication.
- AI-assisted engineering: Claude Code in my daily workflow, with project rules, custom skills and review subagents.
| Languages | TypeScript, JavaScript, SQL |
| Backend | Node.js, NestJS, Express.js, Kafka, REST APIs, Microservices, WebSockets, Serverless |
| Data | PostgreSQL, Cassandra, MongoDB, Sequelize |
| Cloud and DevOps | AWS, Docker, Terraform |
| Frontend | React.js, Next.js, React Native, Tailwind CSS |
- html-pdf-node-ts: a TypeScript package published on npm that converts URLs to PDFs in Node.js.
Most of my professional work lives in private repositories. You can read more about it on LinkedIn.