Mission description - backend developer (.NET) We are currently looking for two .NET Backend Developers to join an ongoing project and support the development and evolution of backend applications. This opportunity is open to both permanent employees and freelance contractors. Responsibilities Deliver high-quality, maintainable, and scalable code Design, implement, and execute unit and integration tests Analyze, troubleshoot, and resolve application issues; maintain and upgrade existing versions Integrate software components into backend applications Understand project requirements in close collaboration with the end client Develop new backend applications and enhance existing ones with additional features Ensure proper integration of developments and verify overall application consistency Contribute to the production, deployment, and delivery of applications Produce clear and accurate technical documentation Participate in code reviews and promote best development practices Experience Proven experience in backend development Experience working in an Agile environment Experience in documenting delivered work and technical solutions Experience with code review processes Minimum of 4 years of professional experience Languages: French and/or Dutch (passive understanding of the other national language is an asset) Good command of English Technical skills Strong expertise in .NET and C# Experience with cloud technologies (e.G. Microsoft Azure) Experience using AI tools to support and optimize software development