Back-end Developer experience in the banking sector (Madrid)

Our goal is to strengthen the brand in Spain. We are looking for an expert to work as Backend Developer with experience in the banking sector.

Responsibilities

• Design and maintain microservice architecture.
• Develop REST APIs and produce OpenAPI/Swagger documentation.
• Implement service discovery, circuit breakers, OpenShift integration, and distributed tracing.
• Apply DDD and hexagonal architecture principles.
• Utilize message brokers such as Kafka and RabbitMQ.
• Manage feature flags and use database migration tools (Liquibase/Flyway).
• Implement reactive programming features.
• Perform static code analysis using tools like Sonar, PMD, Checkstyle.
• Work with relational databases such as Oracle and NoSQL systems.
• Operate in Linux environments.
• Conduct unit, integration, end‑to‑end, and mock testing.

Qualifications

• Strong experience with Java (8 & 11) a...