Développeur Backend Java / Spring Boot Senior — Systèmes de Paiement (IT)
Core
Senior backend engineer building secure microservices and REST APIs for payment systems and devices.
Role type
Senior IC backend engineer (Java/Spring Boot)
Builds
Secure payment microservices and REST APIs
Domain
Fintech / Payments
Deliverable
production ML models | product features
Required skills
Java, Spring Boot, Microservices, REST APIs, Unit & Integration Testing (JUnit, Mockito, TestContainers), CI/CD pipelines, Clean Code, SOLID principles
Preferred skills
Fintech experience, Payment domain knowledge, Banking environment experience
Technologies
Java, Spring Boot, JUnit, Mockito, TestContainers
Responsibilities
Develop and maintain backend services in a microservices architecture, Design and expose secure REST APIs, Implement business rules for payment flows, Ensure performance and robustness under high transactional load, Write unit and integration tests, Participate in code reviews and technical debt reduction, Integrate services with existing systems (databases, message brokers, third-party APIs), Contribute to CI/CD pipelines and deployments
