c# developer for business applications

No description

• Take over and continue development of an existing application built with Wisej.NET (C#);
• Analyze and understand the current architecture and implementation;
• Implement new features and enhancements according to business requirements;
• Maintain and improve existing functionality;
• Troubleshoot and resolve application issues and defects;
• Collaborate with project stakeholders and development team members;
• Participate in knowledge transfer activities and ensure smooth project continuity;
• Contribute to code quality, performance optimization, and technical documentation.

• 5+ Years of experience with C# and .NET ecosystem;
• Experience working with enterprise/business applications;
• Ability to understand and maintain existing codebases;
• Strong analytical and troubleshooting skills;
• Experience with web application development;
• Ability to work independently and collaborate with distributed teams;
• Strong hands-on experience with C# and .NET;
• Previous commercial experience with Wisej.NET;
• Experience with ASP.NET, WinForms, or similar Microsoft technologies;
• Experience developing and maintaining web-based business applications;
• Good understanding of object-oriented design principles and software development best practices;
• Ability to quickly learn and work with existing frameworks and codebases;
• Experience with source control systems such as Git;
• Strong debugging and problem-solving skills;
• Good communication skills and ability to work in an international environment;
• Upper-Intermediate English or higher;
• Nice to have: German language proficiency, experience taking over or maintaining legacy applications, experience in customer-facing projects or long-term product development environments.

• The project duration is 3 months;
• Estimated start date: 07.09.2026.