Job Title: .NET Developer

Duration: 6+ months contract (Plus Extensions)

Location: Brussels, Belgium (Hybrid)

Role overview:

• We are looking for a senior developer who will take ownership of designing and building high-quality, well-tested software solutions within the Transport Execution Management domain.
• You will work closely with the solution designer and business stakeholders to translate ideas into effective, reliable applications, gaining a deep understanding of the business context along the way.
• Beyond strong technical expertise, we are looking for someone who shows initiative, communicates clearly, contributes actively to the team, and is willing to go the extra mile when needed.
• You are respectful and calm in your interactions. Independence is key in this role: taking full responsibility for delivering complete solutions is part of your daily work.
• At the same time, you value teamwork and knowledge sharing. In line with the PROS values of SNCB, you bring professionalism and a constructive attitude that helps the team move forward.

Essential Skills:

• .NET development – demonstrates deep mastery of the .NET ecosystem: language features, LINQ, async/await, security practices, and selecting appropriate data structures and patterns.
• Code quality & craftsmanship – writes clean, maintainable, and SOLID code that follows best practices.
• Web API design & development – designs secure, performant .NET Core Web APIs.
• Azure cloud – leverages Azure services, PaaS components, and event-driven patterns effectively.
• Unit testing & test quality – creates meaningful, maintainable, and automated unit tests.
• CI/CD & DevOps practices – sets up robust Azure DevOps pipelines and manages containerized deployments with Kubernetes & Docker.
• SQL & database design – models, queries, and optimizes relational databases.
• Git & version control – applies branching strategies and collaborates efficiently using Git.
• Collaboration & communication – explains technical choices clearly, works constructively in a team, and remains professional under pressure.
• .NET development: Over 5 years of experience.
• Azure Cloud development: Over 3 years of experience.
• .NET Core Web API development: Over 3 years of experience.
• Professional expertise in unit testing.
• Fluent in English (C2).
• Fluent in Dutch or French (C1).