YPTO

Ypto is looking for a Full Stack Developer .NET/React with recent and hands‑on experience in both technologies. You will contribute to the design and implementation of an important internal project, working across the full stack to build efficient, reliable, and scalable solutions. As part of the development team, you ensure high code quality, solid performance, and smooth delivery using modern cloud and DevOps practices.

Responsibilities

  • Translate application storyboards and use cases into functional application.

  • Design, build, and maintain efficient, reusable, and reliable code.

  • Integrate data storage solutions (databases, key-value stores, blob stores, etc.).

  • Ensure the best possible performance, quality, and responsiveness of applications.

  • Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.

  • Help maintain code quality, organization, and automatization.

Requirements

Minimum Requirements

  • 3+ years experience in React.

  • 3+ years experience in .NET including working experience in .NET 8.0, Rest API.

  • 1+ years experience with Cloud technologies like Azure, AWS or GC.

  • 1+ years experience in DevOps activities including YAML pipeline, Blue/Green deployment.

  • Minimum of B2 CEFR level in English.

Technical Expertise

  • Expertise in React: deep understanding of React concepts such as component lifecycle, hooks, state management, and virtual DOM.
    Experience with Tanstack and MUI is a plus.

  • Expertise in .NET: solid understanding of object-oriented programming principles, proficiency in C# for building robust, scalable, and maintainable applications, experience with ASP .NET for developing RESTful services, knowledge of Entity Framework for efficient data access and management.

  • Familiarity with modern architectural patterns.

  • Knowledge of Azure and its commonly used components (EventHub, Cosmosdb, Functions,…).

  • Knowledge of DevOps tools including release pipelines, YAML, Infrastructure as Code.

  • Experience implementing automated testing platforms and unit tests.

  • Proficient understanding of code versioning tools such as GIT.

  • Proven experience with the Atlassian suite.

  • Experience with Agile methodology.

  • Demonstrates curiosity and a proactive approach toward exploring new technologies and innovative solutions.

Nice To Haves

  • Knowledge of Kubernetes.

  • Knowledge of AI IDEs like Cursor or Windsurf.

  • Knowledge of the train industry.

  • B2 CEFR level or above in Dutch or French.


Our offer

At Ypto, you’ll join an open corporate culture and contribute to our digital transformation. You’ll work in a role with real social impact and plenty of room to make your own mark. Alongside a healthy work-life balance and a competitive salary, we offer:

  • hybrid working, with a balanced weekly mix of office and remote work, combined with flexible hours

  • 35 days of annual leave

  • a mobility package with a company car (also available via our mobility plan) or alternative mobility choices, complemented by a public transport season ticket

  • a target bonus

  • a comprehensive insurance package, with hospitalisation and dental care for the whole family

  • coverage of outpatient medical costs

  • group insurance, including a supplementary pension (cafeteria plan)

  • meal vouchers & eco vouchers

  • net allowances for hybrid working and an internet allowance

Apply for this job
Apply for this job
Location icon

Near Brussels Midi Station

Department icon

Transport Operations, Data & Planning

Contract type icon

fulltime_permanent

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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!