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

SkillLevelPriority
Practical experience with ScrumNot specifiedPreferable

Functional experience

SkillLevelPriority
Full-stack delivery (frontend React + backend Java/Spring) in an agile teamExpert (S2)Mandatory
Dev and Ops: design, build, maintain and CI/CD involvementNot specifiedMandatory

Technical experience

SkillLevelPriority
React, Java, Spring, Maven and databases≥6 years relevant experienceMandatory
RESTful APIs with Swagger/OpenAPI (YAML)Not specifiedMandatory
Git version controlNot specifiedMandatory
CI/CD (Jenkins or alternative)Not specifiedMandatory
SAST tooling (SonarQube, Fortify, NexusIQ or alternative)Not specifiedMandatory
Docker, containers and GroovyNot specifiedMandatory
Clean code, OO, DDD, design patterns and SOLIDNot specifiedMandatory
Test-driven development (TDD) and API automation testingNot specifiedMandatory

Language requirements

English (Dutch/French a plus)

LanguageSpeakingReadingWritingMandatory
EnglishGoodGoodGoodYes
FrenchGoodGoodGoodNo
DutchGoodGoodGoodNo

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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