Software Designer (C#, C++, Java)

Sioux; Utrecht; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Flex 32-40 hour week

28 holidays + 12 extra

€6000 training budget

Team events & social activities

Prime office near Veluwe

Job summary

Sioux is looking for a Software Designer to develop high-tech software systems in C#, C++, and Java. You will translate requirements into robust designs, mentor engineers, and guide teams to deliver scalable solutions.

From our Mijdrecht office and client sites, you’ll work on challenging projects across semiconductor, analytical instrumentation, and medical equipment domains, with opportunities to travel within the Netherlands.

Qualifications

• Bachelor’s or Master’s in CS/Software Eng/CE.
• 7+ years of technical software development experience across diverse product environments.
• Last 4–5 years in domains like Semicon, Medical, or Analytical.
• Experience in two of C#, C++, Java.
• Familiarity with Design Patterns, UML, and Agile methodologies.
• Ability to coach junior engineers.
• Team player with strong Dutch and English communication.
• Holder of a valid EU driving license and willingness to travel.

Responsibilities

• Translate customer and system requirements into innovative software concepts.
• Bridge between architects and engineers from a technical perspective.
• Own a module or subsystem through the full software lifecycle.
• Ensure software quality, scalability, and maintainability.

Skills

C#

C++

Java

Design Patterns

UML

Agile

Mentoring

Team player

Dutch & English

Education

Bachelor’s or Master’s in Computer Science/Software Engineering/Computer Engineering

Tools

Git

Job description

As a Software Designer C#/C++/JAVA, you develop software for high-tech products and machines.

In this role, you support our customers in the semiconductor, analytical instrumentation, and medical equipment industries, within the triangle of Nijmegen, Enschede, and Zwolle, by delivering smart, sustainable, and reliable software solutions. Your software expertise plays an essential role in bringing these high-tech solutions to life.

What function?

In this role, you support our customers in the semiconductor, analytical instrumentation, and medical equipment industries, within the triangle of Nijmegen, Enschede, and Zwolle, by delivering smart, sustainable, and reliable software solutions. Your software expertise plays an essential role in bringing these high-tech solutions to life.

What excites you as a Software Designer (C#, C++, Java)?

As a Software Designer, you contribute to defining requirements and you are responsible for translating them into robust software designs, ensuring high-quality implementation and seamless integration. You are eager to grow into a role where you bring your own technical contribution, while guiding the development team.

From our office in Mijdrecht and at our clients' premises you work on challenging projects that take technology to the next level. You are the expert who designs, develops, and tests, but also likes to think along, connect, and contribute to team results, and who likes to:

• Translating customer and system requirements into innovative, clear, and feasible concepts during the conceptual phase of projects.


• Acting as a bridge between architects and engineers from a technical perspective.


• Taking responsibility for a module/subsystem throughout the entire software development lifecycle.


• Ensuring software quality, scalability and maintainability through sound engineering practices.


• Applying strong communication skills to effectively guide and mentor a team of engineers, helping them grow and deliver high-quality results.

This is what you bring to the table

• You have a technical Bachelor's or Master's degree, preferably in Computer Science, Software Engineering, or Computer Engineering.


• You have 7+ years of experience in technical software development, gained in various roles and across diverse product environments and/or projects.


• Over the past 4–5 years, you have worked within technical domains such as Semicon, Medical, or Analytical.


• You have experience with at least two of the following programming languages: C#, C++, or Java.


• You have knowledge of and/or experience with various development methodologies and techniques such as Design Patterns, UML, and Agile, and you keep your technical expertise up to date. You are looking for an environment where you can apply these developments in practice as well.


• Based on your experience, you are able to coach junior engineers.


• You are a team player and keep the common goal in mind.


• You have a good command of both Dutch and English, spoken and written.


• You hold a valid European driver's license and are willing to travel.

This is what you can expect in return from Sioux

• Flexible 32-40 hour working week, with room to work from home.


• A healthy work-life balance is very important to us. We have 28 holidays with an option to acquire an additional 12 holidays.


• You will work with passionate colleagues who share your drive for technology and business success.


• By combining our expertise in software, electronics, mechanics, mechatronics, mathematics and assembly, we make the impossible possible for our customers and get to work on challenging high-tech projects.


• You get a lot of freedom and responsibility; after all, you know exactly what you are doing.


• Personal coaching and a training budget of €6000 per year, so that you can continue to develop yourself.


• We also find it important to have fun together. We organize a lot for our employees, from events together with your partner and family, summer barbecues, innovative knowledge sessions to tasty lunches and after work drinks.


• You will be working at a prime location in a green, wooded environment, close to the Veluwe National Park. The perfect base within the triangle of Enschede, Zwolle, and Nijmegen.

High Tech & High Fun

We can tell you all about the typical Sioux-culture and the high-tech challenging projects. About how you can develop yourself, like nowhere else. But we'd rather have you hear it from our own employees.

Export control

This position requires access to controlled technology, as defined in the US Export Administration Regulations (15 C.F.R. § 730, et seq.). Qualified candidates must be legally authorized to access such controlled technology prior to beginning work. Business demands may require Sioux to proceed with candidates who are immediately eligible to access controlled technology.