Full-stack Developer

Full time
Bachelor, Master
Delft | Mijdrecht | Apeldoorn
Are you a Full-stack Developer looking for a position where you can combine technology with professional services? Do you like to get the best out of yourself and others? Do you prefer to work in an informal environment where helping to build the company means building yourself? Which you can. As a Full-Stack developer at Sioux Technology in Mijdrecht, Delft or Apeldoorn.

Sioux Technology brings high-tech to life and contributes to a society that is healthier, safer, smarter, more sustainable and more enjoyable. We are a strategic high-tech solutions partner that develops, innovates and assembles complex high-tech systems with advanced Software, Mathware, Electronics and Mechatronics.

As one of the largest private tech companies in the Netherlands, we are focused on people and building long-term relationships. We continuously develop our employees. In this way we create more fun & value for our employees, our inter (national) customers, Sioux and the world around us.

Our Position

As a Full-Stack developer you work in high- tech machine and equipment construction. The projects focus on different domains such as medical, semiconductor, automotive or agriculture. You work together with software colleagues and you are part of a multidisciplinary team. Passion for technology and fun are paramount. The projects are carried out at our Sioux Development Center in Mijdrecht, Delft or Apeldoorn or at the client's location.

Your daily activities consist of:

  • Setting up an architecture, technical design and its implementation.
  • Testing based on the specifications and the technical design.
  • Integrating the different software modules.
  • Writing the associated documents.

Our employees are of course the best source if you want to know what it's like to work at Sioux.
see in their own story why Thijs , Ronald and Ali choose Sioux.

Where could your next project be?

1 ): Catharina Hospital: Catharina is an ambitious, top clinical hospital in Eindhoven. Their health professionals are dedicated to provide the best possible care to patients every day. Besides basic care they provide top clinical care in several fields: heart and vascular diseases, overweight, kidney failure and oncology (radiotherapy).

2): Sensys Gatso: is the expert in providing traffic enforcement solutions. They develop, manufacture and market advanced equipment, software and services in order to deliver bespoke solutions. Sensys Gatso is active in red light and speed enforcement, environmental zone enforcement and monitoring dedicated routes.

3): BE Semiconductor Industries (Besi): is a Dutch multinational company that manufactures semiconductor assembly equipment. Typical customers of Besi are multinational chip manufacturers and independent device manufacturers.

Your future workplace

Your Experience

  • You have a science background at HBO or academic level.
  • You have at least 2 years of experience developing complex business and back-end applications on a Linux and/or Windows stack.
  • You are familiar with the C# .NET framework in combination with Microsoft Visual Studio, and/or C/C++.
  • You have experience with SQL and UML
  • You have worked in an Agile / Scrum environment.

Our Culture

Our employees are our strength, and we want to get the most out of our collaboration together. That starts by offering attractive terms and conditions of employment that are in line with your needs. According to our employees, the personal attention at Sioux makes the difference. And that’s something we’re proud of. After all, to us, success is more than just a good salary. It's also about being appreciated, about being given responsibility and the ability to develop yourself.
  • Internal training, coaching and a generous development budget of 6,000 euros per year.
  • Varied work due to variety in technologies, markets and projects.
  • Good salary and attractive fringe benefits.
  • Flexible working hours of 32-40 hours per week in a healthy combination of home and office.
  • An open culture focused on collaboration, learning and having fun.
  • An innovative work environment.
  • A pizza budget, so you can work on innovative new developments in our expertise groups.
More than 60% of our engineers are members of one or more expertise groups, where they work together on innovative study projects such as applications for SoC technology ( Zynq ), embedded controllers with FPGA, Project Management, Oculus Rift and much more. Sioux sponsors the hardware and the food for thought . We call this the Sioux Pizza Budget because pizza is the most popular food choice at these gatherings.
Are you interested?

Your new job in 5 steps

Thank you for your interest. We are happy to share our selection process with you. Below you will find the steps we go through. If you have any questions, feel free to contact us. We wish you the best of luck with your application at Sioux Technologies!

  • Interested?
    • Send us your CV and motivation video or letter.
  • Application received
    • One of our recruiters will review your application and get back to you asap.
  • Introduction
    • We will plan an (online) introduction with a Sioux colleague to find out if there is a match.
  • Follow-up conversation(s)
    • In follow-up conversation(s), we dive into the (technical) depth. In some cases a personality test will be part of the conversation and will be discussed with you. In other cases you will be presented with a (technical) case.
  • Both excited?
    • If we are both enthusiastic, we would like to make you an offer. We will talk you through the offer and discuss it with you. Are you already curious about our terms of employment? You can find them here for the Netherlands, Belgium, Germany.
  • Welcome to Sioux Technologies!
    • We welcome you to Sioux and wish you success with your new challenge!


Privacy Notice for applicants:

  1. Pre-employment screening and background checks might be part of your application procedure.
  2. Your personal information is managed in compliance with the GDPR regulations.

Sagé Maenen

Talent acquisition
+31 (0)6 515 79 480
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