Software Architect | High-Tech Systems (m/d/w)

As a Senior Software Engineer you work with C++/ C# /. NET on advanced systems for semicon, medical and industrial customers.

In this role, you support our customers in the semiconductor, analytical, and medical equipment industry, within the “Medical Valley” and beyond, with smart, sustainable, and reliable software solutions.

You support our customers in the semiconductor, analytical, medical equipment industry, within the “Medical Valley”, the DACH region and beyond.

What excites you as a Senior Software Engineer | High-Tech Systems

From our office in Erlangen and sometimes at our clients’ premises you like to keep yourself busy with:

• Develop software using C++, C#, and .

NET, supported by generative-AI tools where appropriate, and contribute across the full software-development lifecycle including unit and integration tests

• Develop high-complexity software in the medical, analytical and semiconductor domain in a very dynamic environment with challenging projects
• Operate in an agile development environment and taking a leading role in technical discussions
• Collaborate on software requirements
• Where projects require it, work close to hardware and build confidence through simulation, SIL/HIL testing, and real-system integration
• Mentor junior colleagues and enjoy sharing knowledge
• Maintain development process and code quality through reviews, automated testing, and continuous improvement
• Sounds good so far? We'd love to tell you more…
• Your future workplace
• This is what you bring to the table
• Bachelor’s or master’s degree in computer science, mathematics or natural sciences.
• You have at least 5 years of experience in technical software development across different roles and (product) environments and / or projects
• Domain knowledge in the Semiconductor and/or medical domain would be a huge advantage. You are willing to learn unfamiliar products and reason from first principles.
• You have hands‑on experience with C++ (required), C#, . NET framework, Python
• You have developed reliable software through structured debugging, unit and integration testing, and automated CI/CD pipelines
• You use generative-AI tools in your daily work, or you are eager to learn how to use them responsibly and effectively. Proven expertise is a plus
• You communicate confidently in English and can work effectively in a German-speaking environment. German-language proficiency is a plus.

This is what you can you expect in return from Sioux?

• A 40-hour working week with a hybrid working model: you will work mainly from our Erlangen office and occasionally at customer sites, with one work from home day per week guaranteed and additional flexibility where it fits the project and team.
• A healthy work-life balance is very important to us. We offer 30 days of vacation per calendar year.
• 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 training, so that you can continue to develop yourself.
• We also believe it is important to have fun together.

We organize events for our employees, from summer parties for the whole family and lively Christmas celebrations to inspiring knowledge events for the high-tech community.

• Our office in Sioux is ideally located in the heart of the “Medical Valley” in the university town of Erlangen.
• You can share your knowledge with colleagues over lunch, and there are always like‑hearted people around for a round of darts or table soccer to lighten the mood.

Sports are also a big deal at STG - join our running group or our beach volleyball team.

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.

Important note

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.