YPTO

How do you help make a difference? 

We are looking for a Medior ASP.NET MVC C# /.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, and user‑centric web platforms.

Your expertise in web development, API integration, scripting languages and modern engineering practices will help us accelerate our web initiatives and deliver high‑quality, seamless digital experiences. Experience with content management systems (CMS) is a strong plus. 

 

What is your role at SNCB? 

As a Medior ASP.NET MVC C# /.NET Developer you will take on the following responsibilities: 

Web Development: Drive development within our web .NET projects, delivering robust web components and APIs that power modern web applications. 

Performance & Reliability: Oversee the evaluation, improvement, and monitoring of frontend and backend performance, ensuring reliability, stability, and maintainability. 

API & System Integration: Collaborate closely with UI/UX, architecture, and integration teams to deliver smooth, real‑time data 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 .NET web and backend engineering, helping the team adopt new technologies, frameworks, and methodologies. 

Communication & Mentorship Share progress, highlight risks, and solve problems proactively. Mentor junior developers and cultivate a collaborative engineering culture. 

Requirements

Why is this job a good fit for you? 

  • Minimum 5 years of hands‑on experience in ASP.NET MVC C# /.NET web development. 

  • 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 with typescripst / javascript / angular / react 

Technical Skills 

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

  • Knowledge regarding CI/CD pipelines and expertise using version 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. 

  • Proficiency in English is a must and Dutch or French one is desirable. 

Additional 

  • Experience providing L2/L3 support in a production environment is 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's why we believe it’s important that you can be yourself — it makes SNCB/NMBS stronger. We therefore place great 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);

  • meal vouchers and eco-vouchers;

  • net allowances for remote working and carwash + internet budget.

 

Where will you be working? 

You will work near Brussels-South station.

 

What’s next? 

  1. You apply online. 

  1. We take a close look at your CV and check whether it matches the profile you are looking for. We may call you briefly to ask about your motivation and experience. 

  1. We invite you for a first (online) HR interview where you can demonstrate your motivation, experience and expectations.

  1. If the first interview is positive, we invite you for a second technical interview in Brussels. This interview will be with the team, where we’ll discuss the role and how your skills align with the team’s needs. 

  1. If everything goes well, we will make you a contract offer. 

  1. You start your new job! 

We reserve the right to adjust or pause this procedure if necessary. Our recruitment team will select the profiles that best match the job requirements to ensure an optimal fit. 

Do you have any further questions? 

Mail: ypto-recruitment@belgiantrain.be

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Near Brussels Midi Station

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Solution Delivery​

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fulltime_permanent

Any questions?
Contact our Ypto Recruitment contact person.

Ypto Recruitment Contact
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3 reasons to choose Ypto 

Icoon uitdagingen: bergtop

Challenging projects

At Ypto, you never stand still. Every day is different and offers the opportunity to be challenged to innovate in order to find the best solution for our customer.

Maatschappelijke impact icoon

Social impact

Through your work, you contribute to the future of Belgian railways and have a tangible impact on millions of people.

Doorgroeimogelijkheden icoon

Growth opportunities

Initiative, trust and self-management are key. You will have the support of your colleagues to develop and the opportunity to grow.

Application procedure

Did you apply for a position at Ypto? Or are you curious about how our application procedure works? We follow the four steps below each time. Depending on the position, an additional interview or assessment may be required.

1

CV screening

We take a close look at your CV and check whether it matches the profile you are looking for. We may call you briefly to ask about your motivation and experience.

2

Interviews

After a successful screening, you’ll be invited to a first video interview with one of our Recruitment Partners. This conversation focuses on your motivation, experience, and expectations. A second interview will then take place on-site with the business team, where we’ll discuss the role and how your skills align with the team’s needs.

3

Reference analysis

Finally, we contact the references you will have provided. This way, we can make you out better.

4

We have a match: welcome to Ypto

Have you been selected? If so, we will be happy to draw up an attractive proposal and welcome you to our organisation.

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Spontaneous application

Would you like to work with us on the future of SNCB but cannot immediately find the right vacancy? Then feel free to submit a spontaneous application. Who knows, you might soon be part of our team!