Developer Job ID JP054464

Developer

Location: Brussels (Hybrid minimum 2 days/week on-site)
Languages: French or Dutch (C2 level) and English (C1 level)
Work Model: Hybrid

Overview

We are looking for an experienced Developer to design develop and maintain robust Microsoft-based software solutions. You will play a key technical leadership role ensuring high-quality code scalable architectures and reliable application performance while mentoring other developers within the team.

Key Responsibilities

• Develop and maintain enterprise applications using C#/.NET Framework Core.
• Design scalable secure and maintainable technical solutions in collaboration with architects.
• Translate business and functional requirements into technical implementations.
• Conduct code reviews and promote development best practices.
• Mentor and coach development team members.
• Ensure application quality performance security and maintainability.
• Optimize system performance and troubleshoot complex technical issues.
• Evaluate and integrate new technologies aligned with business objectives.
• Participate in unit and integration testing activities.

Required Technical Skills

• Expert knowledge of C# / .NET (Core and versions).
• Strong experience with Web API.
• Solid knowledge of Entity Framework Core.
• Experience with Blazor and MVC frameworks.
• Strong understanding of REST APIs Swagger/OpenAPI and API design.
• Experience implementing authentication and authorization mechanisms (JWT OIDC Claims-based security).
• Strong SQL Server development and optimization skills.
• Experience with unit and integration testing frameworks.
• Familiarity with software architecture security best practices and performance optimization.

Soft Skills

• Strong analytical and problem-solving abilities.
• Structured and solution-oriented mindset.
• Technical leadership and mentoring capabilities.
• Excellent collaboration and communication skills.
• Adaptability and resilience in changing technical environments.

Ideal Profile

• development experience in complex enterprise environments.
• Comfortable working across the full software development lifecycle.
• Able to lead technical discussions and influence architectural decisions.
• Passionate about code quality continuous improvement and knowledge sharing.

Working Conditions

• Hybrid working model with at least 2 days per week on-site in Brussels.
• Teleworking permitted within Belgium.
• Flexible working hours and long-term project environment.
• Opportunity to work on impactful public-sector digital transformation initiatives.