Technical Lead - Brazil
Core
Design and implement fintech/payment institution systems including real-time payment flows, ledgers, and core payment processing for a global crypto ecosystem.
Role type
Senior Technical Lead (Payments & Fintech)
Builds
Real-time payment systems, ledger systems, and core payment flows for crypto-related products.
Domain
Fintech / Blockchain / Cryptocurrency
Deliverable
production ML models | product features
Required skills
System architecture, distributed systems, API design, real-time payment integration, Java (Spring Boot), production code review, incident response, idempotency handling, reconciliation logic
Preferred skills
Technical leadership, mentorship, regulated financial environment experience
Technologies
Java, Spring Boot, PIX
Responsibilities
Design and implement fintech/payment institution systems; Write and review production code for critical services; Lead technical decisions for resilience, security, and scalability; Build safe payment flows with strong idempotency and failure handling; Ensure consistency across orchestration, ledger, and reconciliation; Improve observability, incident response, and operational readiness
Seniority
Senior, hands-on IC with leadership responsibilities