Backend Engineer (Java, PIX)
Remote
Core
Design, develop, and maintain scalable backend services for PIX payment integrations and transaction flows in Brazil.
Role type
Senior IC backend engineer (Java/Spring Boot)
Builds
High-performance payment processing systems for Brazilian banks and financial institutions
Domain
Fintech / Payments / Brazil
Deliverable
production ML models | product features
Required skills
Java, Spring Boot, RESTful APIs, microservices, distributed systems, relational databases (SQL), concurrency, transaction management, error handling, performance optimization, CI/CD, Git, production monitoring
Preferred skills
PIX integration, Brazilian payment systems, payment reconciliation, webhook processing, Kubernetes, cloud infrastructure, fraud prevention, financial regulatory compliance
