Full Stack .NET Web Developer & Technical Lead

Function

Our client is seeking an experienced full-stack developer to take on a technical lead role within a long-term software development initiative. This opportunity combines hands-on delivery with technical ownership, offering the chance to shape architecture, guide best practices, and contribute directly to complex software solutions.

Responsibilities

• Define and maintain the technical architecture of software solutions, with a focus on scalability, security, performance, and maintainability.
• Translate business needs into robust technical designs and sound technology choices.
• Contribute actively to development work, especially on complex or critical components.
• Safeguard code quality and architectural consistency through code reviews, technical standards, and best practices.
• Support and guide developers, encouraging knowledge sharing and continuous improvement.
• Identify technical risks, dependencies, and technical debt, and drive appropriate resolutions.
• Collaborate closely with the head of service and project managers to support successful delivery.
• Take an active role in project teams across design, development, testing, and delivery activities.

Technical Skills

• Strong background in object-oriented programming, design patterns, and n-tier architecture.
• Backend experience with C#, .NET Framework 4.0/4.5/4.8, .NET Core, .NET Core WebAPI, and Entity Framework.
• Frontend experience with HTML, CSS, JavaScript, jQuery, SCSS/SASS, Nuxt.js, Node.js, and Vue.js.
• Database knowledge with MS SQL Server and T-SQL.
• Experience with DevOps and containerization tools such as Azure DevOps, Git, Docker, and Kubernetes.
• Unit testing experience with NUnit and xUnit.
• Knowledge of IdentityServer, OpenID Connect, and web application security.
• Experience building and integrating REST API services.

Profile

• At least 8 years of experience in software development.
• Confirmed experience as a full-stack developer.
• Strong technical leadership skills and the ability to advise colleagues effectively.
• Clear communicator who can explain technical concepts and standards to both technical and non-technical stakeholders.
• Strong team player with the ability to work effectively with developers, project managers, and designers.
• Proactive and accountable, with a strong focus on identifying and managing risks.
• Open to continuous learning and eager to keep technical skills up to date.
• Willing to share expertise and help elevate the team’s technical capabilities.

Practical Information

• Language requirements: French or Dutch, and English, all in reading, writing, and speaking.

Contactperson & Reference

• Reference #: INW28865
• Marilyn Weytens
• marilyn.weytens@i4m.be