Software Designer C# / C++ / Java

Full time
Bachelor, Master
At Sioux Technologies it’s all about making the pieces of the puzzle fit together, we can’t do that without you, a driven Software Designer.

Sioux creates and integrates state-of-the-art application software, for example for operating equipment, image and data analysis, process management, and providing insight into information. The focus is on user-friendliness, quality, innovation speed, and cost efficiency. This way, Sioux's application software team supports clients in industries such as semiconductor, medical, and analytical industries in developing and bringing to market distinctive and competitive products.

Our Position

Sioux Technologies creates advanced application software for the high-tech industry, closely aligned with increasingly complex equipment and applications, and the ever-higher requirements they must meet.

Our employees are the best source, if you want to know what it’s like to work at Sioux. Read their testimonials on why Dennis and Bryan chose for Sioux Technologies

Your future workplace

Your Experience

  • You have a bachelor's or master's degree in computer science
  • You are a team player and strive towards the common goal.
  • You have at least 5 to 10 years of experience in software development within technical domains such as Semicon, Analytical or Medical.
  • You have experience with the Windows platform, the .NET framework and at least two of the programming languages C#, C++ or Java.
  • You have experience with different development methods and techniques such as Design Patterns.
  • You are able to coach juniors based on your experience.

Our Culture

Our employees are our strength and together we want to achieve the maximum. That is why we invest a lot in our employees, through generous development budgets and personal attention. According to our employees, this is what makes the difference at Sioux. We are proud of that. For us, success is more than just a good salary: it is also about feeling valued, getting responsibilities, and to be able continuously develop oneself.

  • Internal training, coaching, and a generous development budget of 6,000 euros per year
  • Varied work due to the diversity in technologies, markets, and projects
  • Competitive salary and attractive secondary employment conditions
  • Flexible working hours of 32-40 hours per week, a combination of working from home and in the office
  • An open culture that focuses on collaboration, learning, and having fun
  • An innovative work environment
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 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.

Jettine van Dongen

Talent acquisition
+31 (0)40 - 2677100
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