We are looking for a skilled Software Engineer to help us maintain and develop Windows-based applications. Our Agile team, based in various locations with headquarters in Bonn, Germany, handles the full software development lifecycle; from initiation to implementation and operation of our specialized software solutions.

• Develop, maintain, and enhance Windows-based desktop applications using .Net 2.6.1 – 6.0.


• Implement CI/CD pipelines for development and QA processes.


• Act as a liaison between the customer and the development team, collecting and synthesizing feedback into actionable tasks.


• Ensure on-time delivery of high-quality products.


• Collaborate with cross-functional teams, including engineering, sales, marketing, and support, to deliver successful projects.


• Identify potential risks and issues within the project and propose mitigation strategies.


• Maintain and develop DLLs written in C++.

• Proven experience in Windows .Net Desktop application development.


• Familiarity with System.Reactive and its extensions for reactive programming.


• Experience with System Security Cryptography for cryptographic operations.


• Basics knowledge of C++ and DLL development.


• Experience in implementing CI/CD pipelines.


• Excellent communication and collaboration skills.


• Advanced Business English language knowledge.


• Good analytical skills, oriented on continuous process improvement.


• Responsibility for customer/partner relation growth.

Nice to have:

• Experience with IoT products in building automation and physical access control.


• Mastery Degree in Computer Science or related field.


• Understanding of general security concepts.


• German language skills.

• Great customer impact: the solutions you deliver will be used by thousands of large and small businesses.


• Ability to shape the product, working, and delivery process.


• Great team spirit and close collaboration.


• Agile and innovative environment.


• Working on the latest hardware.

This is an excellent chance to work on important projects involving high-security hardware and technology in a creative, international setting. You will collaborate with a talented team and make a significant impact on our customers’ businesses.