Freelance Senior Full Stack .NET Developer
EngiFlexEast Flanders, Belgium
Posted April 13, 2026
Contract / Temporary
About the Company
EngiFlex delivers specialized engineering and IT consulting to power large‑scale projects across pharmaceuticals, industrial manufacturing, insurance, banking, energy, and public services. Their consultants design, implement, and validate processes, systems, and software solutions, leveraging expertise in PLC, AI, IoT, and API integration. EngiFlex differentiates itself by offering rapid, flexible project sourcing that strengthens existing teams with highly skilled consultants tailored to specific needs. The company’s culture emphasizes agility, technical excellence, and a commitment to delivering measurable value for clients.
Job Description
We are looking for a Senior Full Stack Developer to design, develop, and maintain business-critical applications in a complex environment with large user numbers. The successful candidate will work in a multidisciplinary team and translate business needs into robust IT solutions.
Requirements
- Develop, maintain and expand backend and frontend applications
- Analyze functional requirements and translate them into technical solutions
- Work together with business analysts and other IT professionals to ensure business processes are supported correctly
- Actively contribute to the evolution of existing applications and architecture
- Implement and maintain web applications, desktop applications, and services
- Ensure application performance, stability, security, and maintainability
- Work in an agile work environment and contribute to team results
- Support production environments and resolve incidents if necessary
- Possibly take on a coordinating or technical leading role within the team
