Backend Developer (Java)

About the role

Expleo Group is seeking a Backend Developer proficient in Java to join its banking solutions team. You will be responsible for designing, building, and maintaining high‑performance backend services and APIs that support critical financial applications.

Key responsibilities

• Design, develop, and maintain backend services and RESTful APIs for banking applications.
• Collaborate with frontend developers, QA engineers, and business analysts to deliver robust, end‑to‑end solutions.
• Optimize application performance, scalability, and reliability.
• Ensure code quality through unit testing, integration testing, and peer code reviews.
• Participate in Agile ceremonies, including sprint planning, daily stand‑ups, and retrospectives.
• Maintain technical documentation and ensure compliance with banking security standards.

Required profile

• 3–5 years of professional experience in backend development using Java.
• Strong knowledge of Spring Boot, RESTful API design, and microservices architecture.
• Experience with relational databases such as PostgreSQL, Oracle, or MySQL.
• Familiarity with CI/CD pipelines using tools like Jenkins or GitLab CI.
• Understanding of Agile software development methodologies.
• Ability to write clean, maintainable, and well‑documented code.

Required skills

• Java
• Spring Boot
• RESTful APIs
• Microservices
• PostgreSQL, Oracle, MySQL
• Jenkins or GitLab CI
• Docker
• Kubernetes
• Kafka