Brainwave Optigrators LLC
Java Back-End Developers
Brainwave Optigrators LLCBelgium15 days ago
ContractBusiness Development

Role: Java Back-End Developers (Brussels)


What You’ll Do:

  • Develop high-quality, maintainable software using Java & Spring ecosystem.
  • Collaborate with a cross-functional team following Scrum & XP practices.
  • Contribute to software design, code reviews, and testing strategies (JUnit, Mockito).
  • Work with REST APIs, databases (SQL & NoSQL), and modern architecture patterns.
  • Ensure software meets security and privacy by design standards.


Must-Have Skills:

  • Strong experience with Java, Spring Boot, Hibernate/JPA.
  • Solid understanding of OO principles, design patterns, and microservices architecture.
  • Hands-on experience with REST APIs, API testing (Swagger, Postman, REST-assured).
  • Proficient with Git, Maven, and Agile/Scrum practices.
  • Experience with unit & integration testing, error handling, and code reviews.


Nice-to-Have Skills:

  • Familiarity with Docker, Kubernetes, CI/CD (Jenkins), Kafka, Axon.
  • Experience with Angular, TypeScript, frontend integration.
  • Knowledge of data visualization & monitoring tools (ELK, Prometheus, Grafana).


What We Offer:

  • Long-term project (48 months) with a dynamic, collaborative team.
  • Opportunity to work on modern architectures & technologies..
  • Flexible and supportive environment to grow your skills.


Location: Brussels, Belgium

Interview Availability: Must be available for interview within 30 days of presentation

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