Senior .NET Developer INM000386

ITProposal; Brussel Hoofdstad; Hybride; EUR 70 000 - 100 000; Plein temps

Résumé du poste

ITProposal in Brussels is seeking an experienced Senior .NET Developer to design, develop, and maintain robust software solutions using Microsoft technologies. The role blends hands-on coding with architectural input and mentoring.

You will work hybrid, collaborating with architects and stakeholders, delivering high-quality, secure, and scalable systems. Fluency in English required; French or Dutch proficiency is a plus.

Qualifications

• Strong professional experience with .NET development.
• Expertise in .NET Framework and .NET Core.
• Analytical, problem-solving, and solution-oriented mindset.
• Experience with technical leadership and mentoring.
• Good understanding of software quality, security, performance, and best practices.
• Ability to adapt to changing technical and business environments.
• French or Dutch – C2 level.
• English – C1 level.

Responsabilités

• Develop software components using .NET Framework and .NET Core.
• Design scalable, maintainable, and secure solutions.
• Translate functional requirements into technical solutions.
• Perform code reviews and promote development best practices.
• Mentor and technically coach team members.
• Ensure application quality, performance, security, and maintainability.
• Analyse and optimise system performance.
• Evaluate and introduce new technologies aligned with business needs.
• Collaborate closely with architects and other technical stakeholders.

Connaissances

.NET development

Outils

.NET Framework

.NET Core

Description du poste

Senior .NET Developer

We are looking for an experienced Senior .NET Developer to design, develop, and maintain robust software solutions using Microsoft technologies. The role combines hands‑on development, technical design, code quality, and technical mentoring.

Key Responsibilities

• Develop software components using .NET Framework and .NET Core.
• Design scalable, maintainable, and secure solutions.
• Translate functional requirements into technical solutions.
• Perform code reviews and promote development best practices.
• Mentor and technically coach team members.
• Ensure application quality, performance, security, and maintainability.
• Analyse and optimise system performance.
• Evaluate and introduce new technologies aligned with business needs.
• Collaborate closely with architects and other technical stakeholders.

Requirements

• Strong professional experience with .NET development.
• Expertise in .NET Framework and .NET Core.
• Strong analytical, problem‑solving, and solution‑oriented mindset.
• Experience with technical leadership and mentoring.
• Good understanding of software quality, security, performance, and best practices.
• Ability to adapt to changing technical and business environments.
• French or Dutch – C2 level.
• English – C1 level.

Location: Brussels, Belgium
Work Arrangement: Hybrid / remote work possible
Start Date: 14 September 2026