Senior Backend Engineer
Core
Evolving card infrastructure for credit card launches, digital wallet integrations, and regulatory compliance to serve millions of merchants in Brazil, Chile, and Europe.
Role type
Senior Backend Engineer (Fintech)
Builds
Production-ready backend services for card lifecycle management and digital wallets
Domain
Fintech / Payments / Card Infrastructure
Deliverable
production ML models | product features
Required skills
Backend development, Java, Kotlin, AWS Cloud services, relational databases, unit and integration testing, incident handling, technical architecture design, mentoring
Preferred skills
Experience with service refactoring, reducing technical debt, defining reusable architecture patterns
Technologies
Java, Kotlin, AWS, relational databases
Responsibilities
Shape the card domain globally by taking ownership of complex backend features; Boost reliability by introducing monitoring, alerting, and runbook practices; Drive technical growth by defining architecture patterns and leading service refactoring; Lead and mentor junior and mid-level engineers; Collaborate with cross-functional teams to deliver compliant, merchant-facing products
Seniority
Senior, hands-on IC
