Dotnet Developer

C#.NET developer

C # .NET Developer / SQL Server / T-SQL + WinForms / Core / 100% / Zurich

Project . For our client, an established bank in Zurich, we are looking for a C#/.NET developer to support a central Core application landscape. You will work on an existing, business-critical application landscape and be responsible for its further development, modernization, and technical optimization. This involves combining classic .NET development with current migration and optimization tasks. Start ASAP until December 31, 2026, full-time (100%) in Zurich.

Tasks:

• Maintenance and further development of existing business logic in C#/.NET, T-SQL and Python
• Migration of existing .NET services to .NET Core
• Development and maintenance of SSIS packages and SSRS reports
• Development and maintenance of C#/.NET WinForms applications
• Analysis and optimization of SQL queries and application code
• Working with Microsoft SQL Server 2016
• Further development and maintenance of existing solutions with DevExpress XAF
• Technical documentation of the implemented solutions
• Collaboration in an agile Scrum environment.

Requirements:

• Several years of solid experience in C#/.NET development (5 years+)
• Excellent knowledge of Microsoft SQL Server and T-SQL
• Practical experience with .NET Core and the modernization of existing .NET applications.
• Experience with .NET WinForms
• Good knowledge of SSIS and SSRS
• Experience with DevExpress XAF is an advantage
• Experience in analyzing and optimizing application and database performance
• Experience in agile development environments / Scrum

Languages:

• German: C1
• English: C1

Reference number: 925286MH_

Role: C#.NET Developer

Region: Zurich and surrounding area

Workload: 100%

Work model: Hybrid, within Switzerland only

Start date: October 16, 2026

End date: December 31, 2026