Expert IT Full-stack Developer
Sector: Banking
Location: Brussels
Contract length: 9 months
Estimated daily rate (EUR): 650 - 800
Languages: English (Dutch/French a plus)
Estimated daily rates are Rivant market estimates for guidance — not a client rate card.
Role details
Start date: 2026-10-01
Duration: 9 months
Extension possible: Not specified
Estimated daily rate (EUR): 650 - 800
Education: Bachelor's or Master's degree, or equivalent by experience
Location detail: Brussels (5 min walk from Central Station). Remote/telework from Belgium only
About the role
A major Belgian bank in Brussels needs an Expert Full-stack Developer (Java and React) for digital solutions used by enterprise clients — web, mobile app and cloud backend. You ship end-to-end features in an agile team, own code quality, and contribute to DevOps (CI/CD).
Responsibilities
- Translate requirements into high-quality code
- Design, build and maintain high-performance, reusable applications (Java/Spring backend; React frontend)
- Collaborate across disciplines to ship new features
- Integrate external data sources and APIs
- Ensure performance, quality and responsiveness; apply development best practices
- Identify bottlenecks, fix bugs and participate in API automation testing
- Contribute to Ops activities including CI/CD pipelines
Business experience
| Skill | Level | Priority |
|---|---|---|
| Practical experience with Scrum | Not specified | Preferable |
Functional experience
| Skill | Level | Priority |
|---|---|---|
| Full-stack delivery (frontend React + backend Java/Spring) in an agile team | Expert (S2) | Mandatory |
| Dev and Ops: design, build, maintain and CI/CD involvement | Not specified | Mandatory |
Technical experience
| Skill | Level | Priority |
|---|---|---|
| React, Java, Spring, Maven and databases | ≥6 years relevant experience | Mandatory |
| RESTful APIs with Swagger/OpenAPI (YAML) | Not specified | Mandatory |
| Git version control | Not specified | Mandatory |
| CI/CD (Jenkins or alternative) | Not specified | Mandatory |
| SAST tooling (SonarQube, Fortify, NexusIQ or alternative) | Not specified | Mandatory |
| Docker, containers and Groovy | Not specified | Mandatory |
| Clean code, OO, DDD, design patterns and SOLID | Not specified | Mandatory |
| Test-driven development (TDD) and API automation testing | Not specified | Mandatory |
Language requirements
English (Dutch/French a plus)
| Language | Speaking | Reading | Writing | Mandatory |
|---|---|---|---|---|
| English | Good | Good | Good | Yes |
| French | Good | Good | Good | No |
| Dutch | Good | Good | Good | No |
Soft skills
- Shares knowledge and suggests improvements to the team
- Adapts and bonds easily with new colleagues
- Collaboration and feedback-oriented
- Challenges requirements based on expertise
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