Build secure banking and payment backends as a Senior Java Engineer, using Spring Boot and distributed-system technologies in an international FinTech company.

Our client is an established FinTech software provider with more than 25 years of experience. You will design, develop, test, deploy, and support Java backend services. The work covers REST APIs, microservices, messaging, PostgreSQL, and production-ready integrations for regulated financial institutions.

Key Responsibilities: Design and maintain Java and Spring Boot backend services

Own features from technical analysis through production support

Build secure REST APIs and banking integrations

Develop microservice, distributed, and event-driven services

Investigate production issues using debugging and observability tools

Requirements: Strong professional experience in Java backend development

Advanced hands-on knowledge of Java and Spring Boot

Experience designing REST APIs and backend integrations

Solid SQL and relational database knowledge

Experience with Docker, Kubernetes, CI/CD, and automated testing

Apply your Java, Spring Boot, API, messaging, and database expertise to reliable banking and payment platforms.

📌 Senior Java Banking Backend Engineer (Ontario)
🏢 HHHub.eu (Taupai, UAB)
📍 Ontario