Company Description
1. Location: Brussels Region (Hybrid: 2 days onsite/week)
Start date: 16/03/2026
End date: 29/02/2028
A Senior Full Stack Developer is required to support long-term application development within a large transport-sector organization. The role focuses on building and maintaining modern applications using Blazor, C#, .NET, Entity Framework, and SQL Server, ensuring high-quality deliverables and robust database integration.
Job Description
Key Responsibilities
2. Design, develop, and maintain full-stack applications using Blazor, C#, and Microsoft technologies.
3. Build efficient and scalable backend components using .NET.
4. Develop high-quality Blazor front-end interfaces (WASM or Server).
5. Create, optimize, and maintain relational database structures using SQL Server.
6. Work with ORMs such as Entity Framework, Linq2SQL, or Dapper.
7. Ensure maintainability, code quality, performance, and security best practices.
8. Collaborate with developers, analysts, and operational teams.
9. Participate in code reviews, architecture discussions, and agile ceremonies.
10. Support continuous improvement and modernization initiatives.
11. Ensure compliance with internal processes and regulatory requirements.
Qualifications
Mandatory Skills & Experience
Technical Requirements
12. Minimum 3+ years of hands-on development experience with Blazor.
13. Minimum 5+ years of professional experience with C# / .NET.
14. Minimum 5+ years of experience with Microsoft SQL Server.
15. Minimum 5+ years working with ORMs such as:Entity FrameworkLinq2SQLDapper
16. Minimum 8+ years working with Microsoft technologies.
17. Experience in the public transport or infrastructure sector.
Availability & Presence
18. Must be based in Belgium.
19. Onsite presence: 2 days per week (mandatory).
Languages
20. English: Professional proficiency (required).
21. French or Dutch: Considered an asset.
Additional Information
Additional Information
22. Candidates must have a valid work and residence permit for Belgium (if non-EU)
23. The client values diversity and inclusion, offering a positive work culture focused on well-being
24. Opportunity to contribute to innovative, ground-breaking technologies in the energy sector