Payment Solution Engineer
Core
End-to-end ownership of central bank and clearing system integrations to launch Unlimit in new licensed markets, acting as both project lead and technical implementer.
Role type
Senior Payment Solution Engineer (Integration & Project Lead)
Builds
Central bank and clearing rail integrations, BaaS provider connections, and production payment systems
Domain
Fintech, Global Payments, Banking Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Central bank integration, national clearing systems, payment schemes (SWIFT, SEPA), payment messaging standards (ISO 20022, MT/MX), certificate-based authentication, regulated project management, backend engineering (Java/Kotlin/Spring Boot), cloud infrastructure (AWS/Kubernetes)
Preferred skills
Experience with European/Mexican/Brazilian regulators, local schemes (SPEI, Pix), BaaS/embedded finance, AI-driven engineering practices
Technologies
JVM, Kotlin, Java, Spring Boot, Modulith, Javalin, jOOQ, Temporal, REST, SOAP/XML, ISO 20022, Kafka, SQS/SNS, mTLS, PKI, AWS, Docker, Kubernetes, Terraform, GitLab CI/CD
Responsibilities
Own central bank and clearing integration projects from kickoff to go-live, act as primary technical contact for regulators, manage full onboarding path (credentials, testing, activation), design and implement connections to local clearing systems, deliver integrations with third-party BaaS providers, document and hand over solutions
Seniority
Senior, hands-on IC with project ownership