Senior .NET Developer (WPF / Desktop Applications)

Location: Łódź or Warsaw, Poland. Hybrid 2/3 days per week.

Language Requirements: English & Polish

About the Role: We are looking for an experienced Senior .NET/WPF Developer to join the team. This role involves developing and maintaining advanced desktop applications and contributing to high-quality software solutions.

Key Responsibilities:

• Design, develop, and maintain desktop applications using WPF, .NET Framework 4.6+, C#.NET, and Unity Framework.

• Work with Entity Framework 6 for database interactions.

• Develop, customize, and maintain reports using Crystal Reports, RDLC, Aspose, and MS Excel.

• Collaborate with database teams using MS SQL Server.

• Use Visual Studio 2015/2017 Professional and SSDT for development and database management.

• Participate in client interactions

Requirements:

• 8+ years of experience with the technology stack listed above.

• Strong expertise in WPF, .NET Framework 4.6+, C#.NET, Unity Framework, Entity Framework 6.

• Solid experience with MS SQL Server and reporting tools (Crystal Reports, RDLC, Aspose, Excel).

• Proficient with Visual Studio 2015/2017 Professional and SSDT.

• Fluent in Polish and English (both written and spoken).

• Ability to work 2–3 days per week onsite, and full-time during client visits (1 week) as required.