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.NET Integration Developer

Location
Brussels, Belgium
Work mode
Hybrid
Contract
Contract · Mid
Closed
5 Jun 2026

This mission closed on 5 Jun 2026.

It stays online for reference, but it no longer takes applications.

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About the mission

We are looking for an experienced .NET Integration Developer to join our dynamic IT team. The role involves designing, developing, and maintaining a robust integration platform in an Azure environment while collaborating with cross-functional teams. The ideal candidate should have a strong background in Azure and Agile methodologies.

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Context

RSVZ is a dynamic organization with more than 150 people working in the IT department. The organizational culture is informal. RSVZ is a bilingual environment with French-speaking and Dutch-speaking colleagues and stakeholders. We are currently looking for an experienced .NET Integration Developer to expand team Black (consisting of 12 people including 2 Integration Developers). Team Black is a "platform" team that works transversally within IT and technically supports the development teams. The team operates according to the SAFe (Scaled Agile Framework) methodology to deliver high-quality and scalable applications.

The current focus of the team is to make the Azure Cloud platform usable for other development teams.

Role

The experienced .NET Integration Developer is responsible for the design, development, and maintenance of a robust and scalable integration platform in an Azure environment. This role works closely with other IT department staff (developers, testers, product owners, and scrum masters) to deliver features iteratively and incrementally.

Key Responsibilities

Design, develop, and maintain the integration platform and reusable .NET components using C# and Azure API Management.
Analyze and resolve technical issues. You are responsible for fixing bugs and providing technical support to less experienced colleagues within and outside your development team.
Liaise with external parties including other social security institutions regarding connectivity.
Design, develop, and maintain reusable Azure DevOps CI/CD components using C#, Powershell, YAML pipelines, and Bicep files.
Collaborate with cross-functional, agile teams within a SAFe environment: you work closely with other developers, testers, architects, product owners, and scrum masters to deliver supporting tools iteratively and incrementally.
Participate in PI Planning and other Agile ceremonies.
Quality assurance and code reviews: You are responsible for conducting code reviews and ensuring code quality through unit tests, integration tests, and other QA methods.
Contribute to technical documentation and knowledge sharing within and outside the team. You create technical documentation and review the documentation prepared by less experienced colleagues.
Provide technical leadership and mentor less experienced team members.
Continuously improve development processes and software quality. You follow trends and developments regarding technologies and methodologies in your domain.
Automation and continuous integration by setting up pipelines and unit tests to ensure a stable and functional development, testing, and production environment.

Required Experience and Competencies

Bachelor’s or Master’s degree in Computer Science or equivalent experience.
Minimum of 3 years of experience in a similar role.
3 years of experience working with Azure (5 years in Azure API management).
3 years of experience working in Agile/Scrum.

Hard Skills (Nice to have)

NServiceBus (1 year)
gRPC (gRPC Remote Procedure Calls) (1 year)
WCF (1 year)
Enterprise Integration Patterns (1 year)

BEHAVIORAL

Good communication skills, both verbal and written. Ability to explain technical concepts clearly to technical stakeholders.
Excellent problem-solving and analytical skills.
Continuous learning and improvement: a mindset focused on ongoing improvement and learning new technologies and methodologies.
Collaborative.
Adaptability and flexibility: the ability to quickly switch between different tasks and priorities. Flexibly handle changes and unexpected obstacles.
Excellent technical coaching skills.
Proactive and able to work autonomously.
Sense of responsibility.
Customer-oriented.

LANGUAGES

French or Dutch
Second language: understanding and elementary written and spoken communication
English: understanding and elementary written and spoken communication

Hybrid work: 2 days in the office and a maximum of 3 days teleworking per week.

What you'll do

  • Design, development, and maintenance of the integration platform and reusable .NET components using C# and Azure API Management.
  • Analyze and resolve technical issues.
  • Contact with external parties including other social security institutions regarding connectivity.
  • Design, develop, and maintain reusable Azure DevOps CI/CD components using C#, Powershell, YAML pipelines, and Bicep files.
  • Collaborate with cross-functional, agile teams within a SAFe environment.
  • Participate in PI Planning and other Agile ceremonies.
  • Conduct code reviews and ensure code quality through various QA methods.
  • Contribute to technical documentation and knowledge sharing.
  • Provide technical leadership and mentor less experienced team members.
  • Continuously improve development processes and software quality.
  • Set up pipelines and unit tests for a stable and functional environment.

What we're looking for

  • Bachelor or Master diploma Informatica or equivalent experience.
  • Minimum 3 years experience in a similar role.
  • 3 years experience working with Azure (5 years in Azure API management).
  • 3 years experience working according to Agile/Scrum.

Skills

  • .NET
  • C#
  • Azure
  • Azure API Management
  • Azure DevOps
  • Powershell
  • YAML
  • Bicep