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Senior Java Developer / Architect (Contract – Hybrid, Brussels)
Location: Brussels, Belgium (Hybrid)
Duration: 12-month initial contract (extendable)
Rate: €400–€500 per day (Gross)
Role Overview
We are looking for an experienced Senior Java Developer / Architect to join a large-scale digital transformation project. In this role, you will design, architect, and develop enterprise-grade backend systems using Java, Spring Boot, REST, and Oracle, while also contributing to solution design and integration with technologies such as Elasticsearch and Flowable.
Qualifications
- Experience Level: Senior – 7+ years of professional experience in Java backend development and architecture.
- Proven expertise in Java (Spring Boot) and REST API development.
- Strong hands-on experience with Oracle databases and SQL.
- Familiarity with GraphQL and Angular is an advantage.
- Practical experience with Elasticsearch and/or Flowable (BPM/workflow engines).
- Deep understanding of software architecture, design patterns, and microservices principles.
- Experience with CI/CD, Git, and containerization tools (Docker, Kubernetes) is desirable.
- Strong communication and collaboration skills, with the ability to work in an international environment.
- Fluent in English (spoken and written).
Key Responsibilities
- Design and implement scalable, secure backend architectures using Java (Spring Boot).
- Develop and maintain RESTful APIs and integrations with relational databases.
- Contribute to system architecture decisions, performance optimization, and best practice implementation.
- Integrate backend systems with ElasticSearch for data indexing and search capabilities.
- Collaborate on Flowable-based workflow and process automation implementations.
- Work closely with front-end teams using Angular to ensure seamless integration.
- Support and guide development teams with architectural decisions, code reviews, and technical mentoring.
- Ensure code quality, maintainability, and adherence to security standards.
- Participate in Agile ceremonies, stakeholder meetings, and progress reviews.
If interested, please apply with an up to date CV
Key Skills
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