Senior Software Developer

Senior Software Developer – C# / .NET (m/f/x) Location: Langen, Hessen (Hybrid – 1 day on-site per week) Salary: €60,000 – €75,000 Language Requirement: C1 German minimum About the Company Our client is a leading automation and security technology provider, developing innovative system solutions for industrial and commercial applications. Their integrated software and hardware products drive efficiency, safety, and digital transformation across modern infrastructures. The company values precision, collaboration, and continuous innovation. Your ResponsibilitiesDesign, architect, and develop new software features.Refactor and optimize existing codebases for performance and maintainability.Develop and evaluate new device interfaces.Conduct code reviews within the development team.Contribute to internal guilds focused on product, architecture, documentation, QA, and DevOps.Analyze and resolve software bugs and technical issues. Your ProfileDegree in Computer Science or related IT qualification.Proven experience in software development with C# / .NET (version 8.0).Strong understanding of WPF and/or ASP.NET frameworks.High sense of ownership, quality, and attention to detail.Excellent communication skills in German (C1 minimum) and good command of English.