Senior/Staff Cards API Engineer — Scalable Payments

Seoulstart in Singapore is seeking a Senior/Staff Software Engineer to join the Cards API team. You will build microservices, event-driven systems, and well-designed APIs that power card payments externally. You will work with Java, Spring Boot, and Kafka, shaping resilient, observable systems with strong testing and debt management, and connect engineering choices to customer outcomes. J-18808-Ljbffr