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Myn Logo Myn · IT - Software Development

Senior Full Stack Developer – Blazor / .NET

Belgium, Brussels B2B 547.00 - 600.00 EUR / Hour · Job Posted April 24, 2026
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Job Description

Senior Full Stack Developer – Blazor / .NET (Belgium / Hybrid) You will join a major digital transformation project within the mobility sector, helping to build innovative applications that support modern, sustainable transportation. You’ll be part of an Agile team developing a complex planning management system used in a fast and impactful environment. Your Role Develop and maintain backend services using .NET (APIs, business logic, integrations) Design and optimize SQL Server databases Build modern, responsive user interfaces with Blazor and JavaScript Collaborate on architecture, performance, and security improvements Contribute to CI/CD pipelines and cloud deployments (Azure) Participate in Agile ceremonies with cross-functional teams Your Profile 8+ years’ experience with Microsoft technologies Strong expertise in C#, .NET Core, and REST API development Solid experience with MS SQL Server Hands-on experience with Blazor (3+ years) Familiar with design patterns and clean coding principles (SOLID, CQRS, etc.) Experience with Git, unit testing, and DevOps practices Proactive, team-oriented, and solution-driven mindset Fluent in English + French or Dutch

Job Responsibility

  • Develop and maintain backend services using .NET (APIs, business logic, integrations)
  • Design and optimize SQL Server databases
  • Build modern, responsive user interfaces with Blazor and JavaScript
  • Collaborate on architecture, performance, and security improvements
  • Contribute to CI/CD pipelines and cloud deployments (Azure)
  • Participate in Agile ceremonies with cross-functional teams

Requirements

  • 8+ years' experience with Microsoft technologies
  • Strong expertise in C#, .NET Core, and REST API development
  • Solid experience with MS SQL Server
  • Hands-on experience with Blazor (3+ years)
  • Familiar with design patterns and clean coding principles (SOLID, CQRS, etc.)
  • Experience with Git, unit testing, and DevOps practices
  • Proactive, team-oriented, and solution-driven mindset
  • Fluent in English + French or Dutch
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