Senior Core Banking Developer
U.S. Bancorp
London, Poland
Workplace: HybridFull timeFunction: Software EngineeringExperience: 5+ yearsSkills: ["Communication","Collaboration","Problem-solving","Detail-oriented","Adaptability"]Design, build, and evolve core banking products on modern, cloud-native platforms. Configure Vault-based product logic and ledger-posting rules to ensure accurate, auditable financial behavior. Develop integration services and APIs for payments, KYC, CRM, GL, analytics, fraud, and notifications, including event-driven architectures and strong error handling. Write comprehensive tests, support CI/CD releases, troubleshoot production issues, and partner across engineering, product, operations, and risk teams to deliver secure, scalable banking capabilities.

