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Make an impact on millions of journeys every day. As a Fullstack Mobile Developer at NS, you’ll build smart, user-friendly features for the NS app and help create the digital future of sustainable mobility.

• Jij zorgt voor de mobiliteit van Nederland

• Veel ontwikkel-mogelijkheden

• Goede arbeidsvoorwaarden

Why choose NS as a Fullstack Mobile Developer?

 

• You will work on the NS app, used by more than 4 million travelers every month.
• You will be part of an innovative DevOps team with plenty of freedom, ownership, and room to experiment with new technologies.
• You will build digital products that directly impact the daily travel experience of millions of passengers.

“At NS, you have the opportunity to make a real impact at scale. Together with passionate colleagues, you develop innovative mobility solutions that help millions of travelers every day.”

What will you do as a Fullstack Mobile Developer?

As a Fullstack Mobile Developer, you will join Team Map and contribute to the continued development of the NS app across both Android and iOS platforms. Together with UX designers, business analysts, developers, and the Product Owner, you will create intuitive digital experiences that improve the journey of millions of travelers.

Your expertise and passion for mobile development will help shape new features while continuously improving existing functionality.

Your responsibilities include:

• Developing and maintaining features for both Android and iOS applications.
• Building user-friendly solutions for journey planning, booking flows, mobility services, and customer interactions.
• Translating functional and business requirements into scalable technical solutions.
• Writing high-quality, maintainable code and improving existing codebases.
• Increasing the quality, reliability, and scalability of the NS app.
• Implementing automated tests and maintaining strong code coverage.
• Contributing to architectural decisions and engineering best practices.
• Working closely with your DevOps team in an Agile/Scrum environment.

Hier ga je werken

You will join Team Map, part of the Passenger Experience domain at NS. The team plays an important role in connecting train travel with additional mobility services such as OV-fiets, parking solutions, and shared mobility providers.

The team consists of:

• Mobile Developers (Android & iOS)
• Backend Developers
• Business Analysts
• Scrum Master
• Product Owner

Together, you develop digital mobility solutions that support travelers before, during, and after their journey.

You can work hybrid from our modern headquarters next to Utrecht Central Station or from home.

In addition, you will become part of the wider NS mobile community, where Android and iOS developers regularly exchange knowledge, discuss technical challenges, and shape the future of mobile development within NS.

Help us connect every part of the passenger journey

Team MAPS develops the technology behind shared and integrated mobility at NS. From booking shared vehicles and taxis through MAAS-API and APP-TAXI-BFF-API, to mobility options and Greenwheels registration via MODALITY-API/BFF.

Our landscape also includes the serverless SHARED-INTEGRATED-MOBILITY-BOOKING, the Mendix application DELTA, and PLACES-API with OpenSearch for stops, OV-fiets, parking and station information. STATION-FACILITIES-STATUS-API adds facility status data, while NEAR-ME helps travellers discover nearby mobility options, facilities and departure times.

Dit zijn de functie-eisen

You are a driven mobile developer who enjoys collaboration, ownership, and continuous improvement.

You also have:

• A Bachelor’s or Master’s degree in Software Engineering, Computer Science, or a related field.
• At least 2 years of experience developing Android and/or iOS applications in a Scrum or DevOps environment.
• Experience with:
  • Android: Kotlin, Kotlin Coroutines, and Jetpack Compose.
  • iOS: Swift, SwiftUI, and Combine.
• Experience with Clean Architecture.
• Experience with automated testing.
• Knowledge of modern software engineering principles and best practices.
• Strong communication skills.
• A proactive, curious, and results-oriented mindset.
• Fluency in either Dutch or English.

Dit zijn de arbeidsvoorwaarden

Working at NS means you can make a real difference in the dynamic world of sustainable mobility. You help keep the Netherlands accessible and connected for everyone. At NS, you'll enjoy a great deal of freedom and plenty of opportunities for personal and professional development. We promise that no two days are ever the same. And as one of the most attractive employers in the Netherlands, we offer even more. For this position, you can expect:

• A salary in Scale 60, ranging from €3,743 to €6,491 gross per month (based on a 36-hour workweek and depending on your experience)
• The opportunity to work from home and enjoy flexible working hours (by mutual agreement)
• A 36-hour working week
• A 3% year-end bonus, 8% holiday allowance, and an excellent pension scheme
• A permanent contract after one year, subject to good performance
• Free travel by train in 2nd class; travel in 1st class is available for a small personal contribution
• Your family can travel free of charge during off-peak hours
• 144 hours of statutory leave (based on full-time employment), plus additional leave depending on age (at least one extra week)
• The option to exchange three Christian public holidays for three non-Christian public holidays
• Discounts on European rail travel after one year of employment with NS
• A flexible benefits plan, including options such as a bike scheme, additional pension contributions, or extra vacation days

Want to learn more? Take a look at our employment conditions and collective labour agreement (CAO).

Solliciteren naar deze baan

Apply directly using the application button. Within minutes, you will receive an automatic confirmation of your application, and we will respond within two weeks.

This vacancy may close earlier if we receive a sufficient number of suitable applications, so don't wait too long to apply.

Please note that this role may require you to participate in an on-call rotation.

You may address your application to Jeroen van den Berg, Corporate Recruiter IT.

Do you have questions about the recruitment process? Please email our Front Office at .

Prefer to speak with someone by phone? Contact our Front Office on +31 (0)88 671 3666.

Good to know

• A background screening, including a Certificate of Conduct (VOG), is part of the recruitment process. This also includes signing integrity and confidentiality agreements.
• We believe it's important that everyone feels welcome and valued at NS. This is reflected in our hiring practices.
• We are recruiting for this position directly and are not seeking support from agencies or intermediaries.
• This role is not available on an interim or freelance basis.

You can count on NS

Working at NS means having the opportunity to make a real impact on sustainable mobility. Together, we help keep the Netherlands accessible and connected for everyone.

At NS, you'll enjoy a high degree of freedom and responsibility, and we can promise you one thing: no two days are ever the same.

Our core values are openness and reliability. We are driven by results and continuously strive to move forward.

Sollicitatieprocedure

• Sollicitatie ontvangenWe hebben jouw sollicitatie goed ontvangen en laten je binnen 2 weken weten of we met je verdergaan in deze procedure.
  
• (Online) sollicitatiegesprekWe nodigen je uit voor een sollicitatiegesprek met de recruiter en teammanager. Het gesprek vindt digitaal plaats via Microsoft Teams of bij ons op kantoor.
  
• VervolggesprekWe nodigen je uit voor een vervolggesprek bij ons op kantoor.
  
• Arbeidsvoorwaardengesprek

  Digitaal bespreken we het arbeidsvoorwaardelijke aanbod en heb je de mogelijkheid om vragen te stellen.

• In dienstWelkom, je komt in dienst bij NS!