ASP.NET MVC C#

How do you help make a difference?

We arelooking for aMediorASP.NETMVCC# /.NET Developer to strengthen our Web Team’s ongoing digital evolution. With at least 5 years of experience, you have mastered the .NET ecosystem and built scalable, reliable, anduser‑centricweb platforms.

Yourexpertiseinwebdevelopment, API integration,scriptinglanguagesand modern engineering practices will help us accelerate our web initiatives and deliverhigh‑quality, seamless digital experiences. Experience with content management systems (CMS) is a strong plus.

What is your role at SNCB?

As aMediorASP.NETMVCC# /.NET Developeryou will take on the following responsibilities:

WebDevelopment:

Drive development within ourweb.NET projects, delivering robustweb componentsand APIs that power modern web applications.

Performance & Reliability:

Oversee the evaluation, improvement, and monitoring offrontend andbackend performance, ensuring reliability, stability, and maintainability.

API & System Integration:

Collaborate closely withUI/UX, architecture, and integration teams to deliver smooth,real‑timedata flows across systems.

Technical Implementation Excellence:

Translate technical requirements into clean, efficient, and scalable code, while helping define coding standards and best practices for the team.

Testing & Quality Assurance:

Ensure high quality through automated testing, code reviews, and continuous integration practices. Support the team in building secure and maintainable solutions.

Continuous Improvement:

Stay ahead of the latest trends in .NETweband backend engineering, helping the team adoptnew technologies, frameworks, and methodologies.

Communication & Mentorship

Share progress, highlight risks, and solve problems proactively.

Mentor junior developers and cultivate a collaborative engineering culture.

Why is this job a good fit for you?

• Minimum 5 years ofhands‑onexperience inASP.NET MVCC# /.NETwebdevelopment.

• Strong command of .NET 6+, .NET Core, ASP.NET MVC, Web API, and RESTful services.

• Experience with relational databases (SQL Server, PostgreSQL) and ORM frameworks (EF Core).

• Experience with CSS/SCSS, HTML 5.

• Experience with CMS platforms is a nice‑to‑have (e.g., Sitecore, Umbraco, Optimizely,EpiServer).

• Minimum 1 year of hands‑on experience withtypescripst/javascript/ angular / react

Technical Skills

• Solid understanding of application architecture, design patterns, and modern development principles.

• KnowledgeregardingCI/CD pipelines andexpertiseusingversion control (Git).

• Strong grasp of performance optimization and troubleshooting techniques.

Ways of Working

• Solid grounding in Agile methodologies and iterative delivery.

• Ability to collaborate with cross-functional teams and contribute to a positive, learning-focused team culture.

• Strong multitasking abilities and adaptability to dynamic work environments.

Communication

• Excellent communication skills, capable of explaining complex topics clearly.

• Proficiencyin English isa mustand Dutch or French one is desirable.

Additional

• Experience providing L2/L3 support in a production environmentis a nice-to-have.

• This role may require flexible availability outside of working hours at specific points in time (such as system go‑lives).

Everyone is unique. That'swhy we believeit’simportant that you can be yourself — it makes SNCB/NMBS stronger. We therefore placegreat value on diversity and inclusion.

What can you expect from us?

Within our open corporate culture, you contribute to the digital transformation of SNCB/NMBS. You will have a job with social impact and ample opportunity to make your own contribution. In addition to a good work-life balance and a competitive salary, you will receive the following benefits:

• the possibility to work remotely + flexible working hours;

• 35 days of leave;

• a company car + a public transport season ticket;

• a target bonus;

• a comprehensive insurance package (affiliation without own contribution, excl. outpatient costs for family members);

  • hospitalisation and dental care for the whole family;

  • outpatient costs (= medical costs separate from hospitalisation);

  • group insurance: supplementary pension, work disability and death (cafeteria plan);

  • accidents at work (extralegal