Job Title: Senior Full Stack .NET Developer

Location: Brussels, Belgium (Hybrid)

Language: French or Dutch

Duration: 31/12/2025 with possibility of extension

Job Description - Roles and Responsibilities

We are seeking a Senior Full-Stack Engineer to join our development and support team. The ideal candidate will have a passion for IT and technology, and a strong desire to continuously improve their skills while learning new things. Our team is fully Agile and works in a DevOps focused mindset with automated deployments, but our main goal is to bring value to the business and improve the end-user experience. We value new ideas and are open-minded to different approaches. We have very experienced and have skilled developers in our team to learn from, and we encourage continuous learning and growth. If you want to work with cutting-edge technologies, be part of a collaborative team and grow your skills, this is the opportunity for you.

Main activities

• Develop and maintain web applications using C#, ASP.NET (Core), React, and TypeScript
• Work with a team to design, develop, implement and support new features using the latest technologies
• Collaborate with other teams to ensure seamless integration of various components
• Continuously improve application performance and scalability
• Help mentor and train junior team members
• Ensure support for external teams regarding your area of expertise and manage production issues
• Actively promote the cloud first strategy and integration within the company as well as the DevOps mindset
• Ensure communication and documentation within the team and to other teams

Requirements

• Strong knowledge in C#, TypeScript, Python
• Experience building modern webservices using ASP NET (Core)
• Experience building modern applications with the React framework or other similar JavaScript/TypeScript frameworks
• Experience with GenerativeAI technologies: LLM, standard protocols (OpenAI API, MCP, A2A)
• Strong knowledge of the Azure Environment and MS ecosystem as a whole (Sharepoint, M365, …)
• Experience with infra as a code and Terraform
• Experience with a CI/CD deployments like github actions
• Basic knowledge of general IT topics such as networking, infrastructure, security and many more
• Speak English and French or Dutch