Senior Java Backend Engineer - Spring, REST & Cloud

Mobilunity; Belgique; On-site; EUR 80,000 - 105,000; Full time

Benefits offered by this job

Paid time off

English language training

Team events

Job summary

Mobilunity in Belgium is seeking a senior Java Developer to join our client’s rapidly growing HR tech team. You will design and implement scalable backend services using Java and Spring, build RESTful APIs, and contribute to architecture decisions.

Responsibilities include database design with PostgreSQL/Aurora, implementing microservices, ensuring code quality with tests and reviews, and collaborating daily with the team to push features from idea to production.

Qualifications

• 5+ years of relevant experience.
• Experience with Java and Spring (Boot, Security, Core, JPA).
• Clean architecture, distributed system design and microservices architecture.
• Experience with Spring Framework.
• Experience working with PostgreSQL databases (preferably Amazon Aurora PostgreSQL).
• Confident level of English (at least upper-intermediate to handle all communications).

Responsibilities

• Contribute ideas and actively participate in the innovation and product improvement process
• Design and implement well-structured, testable, and efficient back-end code (Java, Spring)
• Build and maintain RESTful APIs and integrations for web and mobile applications
• Design, optimize, and maintain PostgreSQL databases (Aurora on AWS)
• Develop modular, reusable services and libraries with future reuse in mind
• Implement and maintain a clear, well-defined application architecture following best practices
• Communicate daily with the team to coordinate development, share progress, and resolve blockers
• Ensure code quality through unit and integration testing, code reviews, and adherence to established coding standards

Skills

Java

Spring

RESTful APIs

Microservices

Clean architecture

Distributed systems

PostgreSQL

AWS

Jenkins/CI

Tools

Aurora PostgreSQL

GitHub

Jira/Confluence

Job description

Mobilunity in Belgium is seeking a senior Java Developer to join our client’s rapidly growing HR tech team. You will design and implement scalable backend services using Java and Spring, build RESTful APIs, and contribute to architecture decisions.

Responsibilities include database design with PostgreSQL/Aurora, implementing microservices, ensuring code quality with tests and reviews, and collaborating daily with the team to push features from idea to production.