Senior Software Developer .NET (M/F/D)

We are looking for you as an experienced Senior Software Developer (.NET) to further develop our business-critical software products in the industrial environment. You will assume technical responsibility, help shape architectural decisions, and continue to develop our product platform in a sustainable manner. In doing so, you will not only work on features, but also actively influence the architecture, quality, and technological orientation of our software solutions.

• Conception, design, and further development of modern software products based on .NET / C#
• Analysis of technical requirements and creation of technical specifications and architectural concepts
• Responsibility for architectural decisions and the sustainable further development of our product platform
• Development of scalable backend services and modern web applications (e.g., Angular) in distributed system landscapes
• Implementation and optimization of high-performance solutions including algorithms, data structures, and database-based applications (SQL, Oracle, etc.)
• Ensuring high software quality through code reviews, tests, and established best practices
• Providing technical guidance, mentoring, and coaching to junior developers in the team
• Working closely with product owners, UX, DevOps, and specialist departments
• Creating and maintaining technical documentation and actively helping to shape development processes, technologies, and standards

• Several years of professional experience in software development with .NET / C#, ideally in an industrial or production-related environment
• In-depth experience in the development of complex software solutions or products
• Very good knowledge of modern software architectures (e.g., layered architecture, microservices, REST APIs)
• Experience with web technologies and front-end frameworks such as Angular
• Confident handling of relational databases (e.g., SQL Server, Oracle)
• Experience with clean code, design patterns, and automated testing
• Understanding of DevOps principles, CI/CD, and modern development processes
• Ability to make and communicate technical decisions in a structured manner
• Very good German and good English skills

A focus on product development rather than project business with a high degree of creative freedom in architecture and technology selection, technical responsibility without disciplinary personnel management, and collaboration in an experienced, interdisciplinary development team.