Senior Java Developer - JP055390
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Salary
≈ $61k – $170k per year (Estimated)
Location
Hybrid (Brussels, Belgium)
Seniority
Senior · 5+ years exp
Confirmed on the employer's own hiring board on Oct 10, 2026. First seen by Alion on Oct 9, 2026.
Overview
Company
Impact
Profile match
ITproposal is a Dutch IT services company headquartered in Amsterdam that provides service desk support, managed IT services, cybersecurity, cloud and network management, hardware and IT staffing to small businesses and enterprises. Founded in 2019 by Enes Bagci and Tunahan Gider, it serves more than 150 clients from offices in Amsterdam, Antwerp and Karaman, and places engineers on fixed-term assignments at client sites across Europe and beyond. Its job board lists contract roles such as Nutanix and networking support engineers in many countries, SAP Basis consultants, IAM engineers for SailPoint and other IT specialists in the Netherlands and Belgium.
Senior Java Developer
Location: Brussels, Belgium
Work Model: Hybrid
Employment Type: Full-time Contract
Duration: 7 months
Start Date: ASAP
Experience: 5+ years
Role Overview
We are looking for an experienced Java Developer to join projects within the Healthcare & Social Services domain.
The successful candidate will contribute to the development and delivery of high-quality applications, applying modern Java technologies, service-oriented architecture principles, and Agile development practices.
Experience with BelRAI is a strong advantage.
Key Responsibilities
- Develop and maintain enterprise Java applications.
- Design and implement robust, scalable, and maintainable software solutions.
- Work with Service-Oriented Architecture (SOA) and web services.
- Develop and integrate RESTful APIs and back-office integrations.
- Translate functional and technical requirements into effective solutions.
- Apply development best practices and coding standards.
- Write unit tests and support test-driven development.
- Collaborate with developers, architects, testers, and other stakeholders.
- Participate in Agile/Scrum ceremonies and contribute to continuous improvement.
- Ensure high-quality and reliable project deliveries.
- Troubleshoot and resolve technical issues throughout the development lifecycle.
Required Skills & Experience
- 5+ years of professional Java development experience.
- Strong experience with Java and J2EE.
- Good knowledge of Spring / Spring Boot.
- Experience with REST APIs and web services.
- Understanding of Service-Oriented Architecture (SOA).
- Experience with SOAP and Swagger.
- Experience with Angular 2+.
- Knowledge of JSF and JBoss.
- Experience with PostgreSQL.
- Knowledge of Docker and Git.
- Experience with JUnit / Unitils or comparable testing frameworks.
- Familiarity with TestLink is an advantage.
- Strong understanding of RESTful API design and back-office integration.
- Experience working in Agile/Scrum environments.
- Knowledge of Test-Driven Development (TDD).
- Strong analytical and problem-solving abilities.
- Ability to apply best practices and deliver high-quality solutions.
Nice to Have
- Previous experience with BelRAI.
- Experience in the healthcare or social services sector.
- Strong knowledge of enterprise integration and service-oriented architectures.
- Experience working on large-scale public-sector projects.
Languages
- Dutch: Active knowledge
- English: Active knowledge
Working Arrangement
- Hybrid position based in Brussels, Belgium.
- Full-time contract.
- Start: ASAP.
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