Integrated with Brazil's stock exchange
Trade Receivables Registry
Electronic registration of duplicatas, Brazil's trade receivable instrument, integrated with the B3 stock exchange APIs.
- Client
- CRDC
- Role
- Full-stack engineer
- Sector
- Capital markets
- Region
- Brazil
Context
CRDC is one of Brazil's largest duplicata registrars. In 2026, B3, Brazil's stock exchange, agreed to acquire a 60% stake in the company.
Back-end
I built the back-end in Go as microservices on PostgreSQL, Docker and AWS, integrated with B3 APIs. I documented every API with Swagger/OpenAPI.
Front-ends
I also built both React + Tailwind CSS front-ends: an internal back-office and a customer-facing registration dashboard.
Stack
- Go
- Microservices
- PostgreSQL
- Docker
- AWS
- React
- Tailwind CSS
- OpenAPI