URGENT - We are hiring Senior Java Profile / Solution Architect - Experienced Developer
Happening is urgently looking for a Java expert to join one of our clients on strategic, high-impact projects.
Your mission
Design, analyze, and develop Java / J2EE solutions aligned with functional and technical requirements.
Define and implement scalable, secure, and high-performing architectures (microservices, API-first, cloud).
Ensure code quality through best practices (TDD, CI/CD, DevSecOps, code review).
Collaborate with cross-functional teams in an Agile / Scrum environment.
Coach and mentor developers when needed.
Contribute to both new application development and the maintenance/evolution of existing systems.
Technical stack (non-exhaustive)
Languages / Frameworks: Java, JEE, Spring, Spring Boot, Hibernate / JPA, (Typescript), GWT.
API & Integration: REST, SOAP, JSON, XML, API design, Kafka, event-driven architecture.
Frontend: Angular, HTML, CSS, JavaScript.
Databases: PostgreSQL, Oracle, PostGIS, RDBMS, NoSQL, key-value stores.
Testing & Quality: JUnit, AssertJ, Test Driven Development.
Tools & Methodologies: Maven, Git, Jira, Confluence, Miro.
Cloud & DevOps: AWS, Azure, CI/CD pipelines, DevSecOps.
Security: solid knowledge of security standards and best practices.
Profile we are looking for
5-9+ years of proven experience in Java development and/or architecture.
Strong expertise in Spring/Spring Boot, Hibernate, JPA.
Proven experience in API design, integration, and distributed environments.
Solid knowledge of cloud architectures (AWS/Azure) and/or hybrid solutions.
Experience in Agile / Scrum, ideally with a lead developer or solution architect role.
Strong analytical mindset, autonomy, and excellent communication skills.
Previous experience in public sector projects is a strong plus.
Location & setup
Hybrid mission: minimum 2 days per week on-site in Belgium,
If you are a seasoned Java expert with strong experience in development, architecture, and modern best practices, and want to join a challenging project with a rich technology stack: apply now