PSenior Java Dev - Backend Engineer (70 % coding/30 % architecture) HYBRID/2 days minimum at the office in Brussels 550 - 600 EUR Rate English, Dutch or French Required ASAP Start *Urgent Long term Contract - Role hiring now This is a *Belgium Hybrid* based role with an excellent immediate start within a Global Consulting company working on * Defining and evolving service interfaces and integrating external components * What you'll do Build the Back End for various user-facing features Define and evolve service interfaces and integrate external components Model and remodel data: design an effective data model for our application, and then evolve that data model as requirements shift over time Profile and optimise application database performance (caching, query tuning, etc.) Scale the app/database via architectural changes Improve observability, monitoring, and alerting so that we can better respond to operational incidents Work closely with product engineers, design and functional analyst to implement fast new feature ideas/concepts Core Tech Stack: Mandatory : JAVA 17, Spring Boot or Quarkus Experience with SQL database and DB to SQL migrations Kibana Apache Kafka Maven, JUnit/Mockito, integration E2E testing Docker, OpenShift, GitLab CI/CD Nice to have: Experience with Neo4J or other graph DB Code Architecture Design Patterns: Design Patterns : Familiarity with patterns to create robust and scalable code structures. Refactoring Techniques : Ability to improve existing code by simplifying and optimizing it without changing functionality. API design: RESTful principles Performance Security: Optimization techniques : Able to optimize code for load handling, memory, and response time. Security Best Practices : familiar with vulnerabilities like SQL injection and XSS, and experienced with Snyk for security checks. Languages: English French Or Dutch Education: Bachelor's degree (or higher) in Computer Science or related field is needed Please send your CV or call Yasin/Navaid to discuss further. We are an equal opportunities employment agency and welcome applications from all suitably qualified persons regardless of race, sex, disability, religion/belief, sexual orientation, or age. We champion differences in technology recruitment and work with clients who actively wish to diversify their talent force - ALL applicants are welcome to apply. /p