Overview We are looking for a Senior Java Developer to design build and maintain scalable backend services within a cloud-native environment. You will work on high-impact digital platforms focusing on secure data handling performance and seamless integration across systems.
Key Responsibilities
Design develop and maintain Java-based backend services using Spring Boot
Build scalable microservices and REST APIs for data integration
Ensure security performance and reliability of applications
Apply best practices such as TDD Domain-Driven Design (DDD) and Agile methodologies
Collaborate with architects and development teams to align with overall architecture
Contribute to CI/CD pipelines and DevOps practices
Lead and mentor developers supporting team growth and technical excellence
Work with relational databases and optimize data access
Requirements
Minimum 5 years experience in Java development (Senior level)
Strong experience with Spring Framework (Spring Boot Spring Data Spring Security)
Experience with microservices architecture
Experience with Hibernate JPA or SQL
Knowledge of CI/CD pipelines and DevOps tools
Experience with Agile methodologies
Strong coding testing and debugging skills
Dutch language proficiency at C2 level (mandatory)
Nice to Have
Experience with AWS and Docker
Knowledge of OAuth2 / OIDC
Experience with testing tools (JUnit AssertJ JMeter)
Familiarity with SOAP Postman or Newman
Knowledge of mobile application development
Experience with or similar technologies
Additional Details
Full-time role (100%)
Primarily on-site in Brussels (minimum 2 days/week)
Contract until July 2027
If you are a skilled Java developer with a passion for building secure and scalable systems this role offers an opportunity to contribute to impactful digital solutions at scale.
Senior Java Developer Brussels & Ghent Belgium Start Date: May 2026 OverviewWe are looking for a Senior Java Developer to design build and maintain scalable backend services within a cloud-native environment. You will work on high-impact digital platforms focusing on secure data handling performance...
Overview We are looking for a Senior Java Developer to design build and maintain scalable backend services within a cloud-native environment. You will work on high-impact digital platforms focusing on secure data handling performance and seamless integration across systems.
Key Responsibilities
Design develop and maintain Java-based backend services using Spring Boot
Build scalable microservices and REST APIs for data integration
Ensure security performance and reliability of applications
Apply best practices such as TDD Domain-Driven Design (DDD) and Agile methodologies
Collaborate with architects and development teams to align with overall architecture
Contribute to CI/CD pipelines and DevOps practices
Lead and mentor developers supporting team growth and technical excellence
Work with relational databases and optimize data access
Requirements
Minimum 5 years experience in Java development (Senior level)
Strong experience with Spring Framework (Spring Boot Spring Data Spring Security)
Experience with microservices architecture
Experience with Hibernate JPA or SQL
Knowledge of CI/CD pipelines and DevOps tools
Experience with Agile methodologies
Strong coding testing and debugging skills
Dutch language proficiency at C2 level (mandatory)
Nice to Have
Experience with AWS and Docker
Knowledge of OAuth2 / OIDC
Experience with testing tools (JUnit AssertJ JMeter)
Familiarity with SOAP Postman or Newman
Knowledge of mobile application development
Experience with or similar technologies
Additional Details
Full-time role (100%)
Primarily on-site in Brussels (minimum 2 days/week)
Contract until July 2027
If you are a skilled Java developer with a passion for building secure and scalable systems this role offers an opportunity to contribute to impactful digital solutions at scale.