Application Software Engineer (f/m/d)

Mission Brief

As an Application Software Engineer in the Ground Systems Engineering Applications team, you will help shape the digital tools that enable the testing and operation of our launch vehicles. Your work will have a direct impact on critical ground operations, supporting engineers and operators

throughout the development lifecycle.

More specifically, you will:

• Develop, enhance, and maintain desktop applications
• Automate engineering workflows and improve operational efficiency
• Design scalable, maintainable software architectures
• Optimize performance, responsiveness, and user experience
• Extend internal libraries and deliver elegant technical solutions
• Create technical and user documentation

Qualification Checklist

• Experience developing desktop applications using C#, .NET, and WPF (or similar technologies such as Avalonia or MAUI)
• Strong understanding of object-oriented programming and software design principles
• Experience applying architectural patterns such as MVVM, MVC, and MVP
• Proficiency with version control systems, particularly Git
• Experience with unit testing, ideally using NUnit and test-driven development (TDD)
• Commitment to clean code principles and delivering high-quality, maintainable software

Bonus Skills

• Experience working with REST APIs
• Understanding of infrastructure, cloud services and network.
• Experience in a major front-end framework (preferably React)
• Experience with the Aerospace Engineering domain use cases.

Benefits

• Employee Participation Program: Share in our success through our virtual company share program
• 30 days of vacation: Enjoy the days off to relax and recharge
• Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period
• Subsidised lunch: Stay energised with delicious, subsidised lunches every day
• Public transport ticket: Commute with ease using a fully financed Deutschlandticket
• Rental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service
• Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)
• Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
• Childcare allowance: Receive a childcare allowance for your non-school-age children
• And Much More! Discover additional perks and benefits when you join our team.

Who we are

We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space.

Our mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations.

We are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation.

We're making rockets in a way that hasn't been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career!

Want to find out more about us?

Visit www.isaraerospace.com

Data Protection

We process your personal data for the purpose of managing the recruitment process and assessing your application. For detailed information on how your data is processed, including your rights, please refer to our Privacy Policy .

Disclaimer

Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply.

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Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation

Posted Oct 30, 2026

Posted Oct 30, 2026