Fullstack developer IT Operatie Dienst - Utrecht (Dutch only)

Working at NS means that you can make *the* difference in the dynamic world of sustainable mobility. You help keep the Netherlands accessible, for everyone. At NS, you get a lot of freedom. The possibilities to develop yourself are great. We promise you that no day is the same. And as one of the most beautiful employers in the Netherlands, we have even more to offer. For this position, including:

• Scale 60 = € 3,743 and € 6,491 gross per month (scale 60) (based on 36 hours - scaling based on work experience)

• The possibility of working from home and flexible working hours (in consultation)

• A 36-hour work week

• 3% end-of-year bonus, 8% holiday allowance, and an excellent pension scheme

• Upon good performance, you will receive a permanent contract after one year

• Your train travel in 2nd class is free; travel in 1st class is possible with a small personal contribution

• Your family travels for free during off-peak hours

• 144 hours of statutory leave (based on full-time employment) plus extra leave depending on age (minimum one week)

• The possibility to exchange 3 Christian holidays for 3 non-Christian holidays

• Discount on European train travel once you have worked at NS for 1 year

• A choice plan including, among others, a bicycle plan, extra pension accrual, or extra vacation days

Want to know more? View our employment conditions and collective labor agreement (CAO).

That is why you want to work as a Fullstack Developer within the IT Operations Service Cluster

Fullstack Developer

"If you see a conductor on the train looking at his smartwatch, you know that our software is helping him perform his duties well at that very moment. That makes the impact of your work very concrete."

This is what you will do as a Fullstack Developer within the IT Operations Service

As a fullstack developer, you will work in a DevOps team and be involved from the initial idea through to realization and further development. You don't just build features, but also think along about solutions that truly make a difference in practice for colleagues and travelers.

• You will work on existing, mission-critical applications such as Wissel and MijnVertrektijd, which are used intensively on a daily basis;
• You will contribute to the crown jewels of NS, where continuity, availability, and reliability are paramount;
• You will work on software with visible impact, close to the people who rely on it every day.

You will work on both web and mobile solutions:

• Backend: .NET (C#) in Azure Cloud, Containerized, database, cache, service bus, oauth;
• Mobile and smartwatch Frontend: native Android apps with modern technology such as Kotlin and Jetpack Compose.

In addition, you will ensure robust integrations by designing, building, and exposing APIs. Within PFS, we work with cluster-wide standards and solutions such as Atlas and ROBE for backend and frontend. This makes our solutions more maintainable, reusable, and consistent. You will not only apply these standards but also actively contribute to their further development and improvement. This makes this role extra interesting if, for example, you enjoy contributing to open-source projects in your free time.

You will work in an Azure cloud environment following principles such as infrastructure as code. We release on demand, often multiple times a day, and bring an idea into production within a few hours or days. Because our applications meet the highest service level agreements within NS, we do this with a high degree of stability and reliability. This way of working ensures strong performance on DORA metrics and offers you an inspiring environment where speed, quality, and continuous improvement come together. You will not only develop software but also contribute to systems that are reliable, scalable, secure, and future-proof.

Security plays an important role in this. We anticipate legislation and regulations such as NIS2 ourselves and assess together with the business what impact this has, so that we arrive at solutions that are fit for purpose. In doing so, we work closely with stakeholders such as the architect, security officer, cloud experts, and the platform teams of Atlas and ROBE. Security-by-design and privacy-by-design form the starting point here:

• You will take authentication, authorization, and data security into account during design and implementation;
• You will safeguard quality and security with, among other things, automated tests, code quality checks, and security scans within CI/CD pipelines in Azure DevOps.

Collaboration is crucial. You will work intensively with your PO, Service Experts, UX, and Business stakeholders from operations. Together, you will translate service issues into concrete, working solutions. You look beyond the technology: you feel responsible for the whole, check if solutions truly work in practice, and actively drive impact.

You have a solid foundation as a developer and move effortlessly between backend and frontend. You are used to working in a modern development environment and understand how to contribute to business value through technology. You look beyond just the code:

• You think from the perspective of the user and the practice in operations;
• You test and validate your solutions against actual usage;
• Collaboration comes naturally to you. You actively seek connection with cluster colleagues and stakeholders and feel co-responsible for the result;
• You take ownership, are curious, and are continuously looking for how things can be improved. In doing so, you enjoy working in a data-driven manner or want to develop yourself further in this;

Within Cluster PFS, we believe it is important that we dare to call each other out and that we can always express ourselves. We are looking for colleagues with courage, who are open to development. To give you a flying start within our Cluster, an assessment is part of the hiring process. The results serve as input for your personal learning path.

Working at NS means that you can make the difference in the world of sustainable mobility. You help keep the Netherlands accessible, for everyone. At NS, you get a lot of freedom. We promise you that no day is the same. The core values of NS are open and reliable. We aim for results and want to move forward.