Senior Backend Engineer - Payments
Core
Design, build, and maintain integrations with banks and payment partners to handle inbound and outbound bank transfers reliably at scale.
Role type
Senior Backend Engineer (Bank Infrastructure)
Builds
Payment rails and financial messaging systems for 40,000+ customers
Domain
Fintech / Banking Infrastructure
Required skills
Payment integrations, Bank APIs, Payment schemes (SEPA, SWIFT, Faster Payments), Financial messaging (ISO 20022), Distributed systems, Microservices, PostgreSQL, AWS, Kubernetes, Grafana
Preferred skills
Payment compliance (AML, PSD2), Customer fund safeguarding, AI-enhanced development tools (GitHub Copilot, Claude), System design for AI collaboration
Technologies
Kotlin, Java, PostgreSQL, AWS, Kubernetes, Grafana, ISO 20022, SWIFT, SEPA, Faster Payments
Responsibilities
Design and maintain bank/payment partner integrations; Own reliability of payment flows (reconciliation, settlement, exception handling); Architect resilient systems for partner outages and network failures; Improve system observability and fault tolerance; Collaborate with compliance, finance ops, and product teams; Mentor engineers and address technical debt
Seniority
Senior, hands-on IC
