Senior .NET Desktop Developer (C#/WPF) - SQL & Debugging

InfoVision, Inc.; Eatontown (NJ); On-site; USD 96,000 - 165,000; Part time

Job summary

InfoVision, Inc. is seeking a Senior .NET Developer (C#/WPF/SQL) for an onsite contract role in Newington, NH or Eatontown, NJ.

The candidate will contribute to desktop application development, data access layers, and system integration efforts. The ideal candidate will bring 8–10 years of hands-on C#/.NET experience, strong WPF/XAML/WinForms skills, and solid SQL Server expertise, including stored procedures and complex querying.

Qualifications

• 8-10 years hands-on C#/.NET experience.
• Strong .NET Framework experience.
• Strong WPF/XAML and/or WinForms desktop development.
• Strong SQL Server/T-SQL.
• Experience with stored procedures, views and functions.
• Ability to trace defects UI → C# → business logic → SQL/database.
• Strong debugging and root-cause-analysis skills.
• Experience modifying existing applications safely, not just greenfield development.
• REST/API and system-integration experience.
• Experience with Git, Visual Studio, and Azure DevOps.
• Unit and regression testing.

Responsibilities

• Hands-on development in a Senior .NET environment.
• Troubleshoot and modernize legacy production applications.
• Trace defects end-to-end from UI through C#, business logic and database.
• Collaborate on REST/API integrations and system-level changes.
• Participate in unit/regression testing and code reviews.

Skills

C#/.NET

WPF/XAML

SQL Server/T-SQL

Stored procedures

Views and functions

UI debugging

Legacy production support

REST APIs

System integration

Unit testing

Tools

Git

Visual Studio

Azure DevOps

Job description

InfoVision, Inc. is seeking a Senior .NET Developer (C#/WPF/SQL) for an onsite contract role in Newington, NH or Eatontown, NJ.

The candidate will contribute to desktop application development, data access layers, and system integration efforts. The ideal candidate will bring 8–10 years of hands-on C#/.NET experience, strong WPF/XAML/WinForms skills, and solid SQL Server expertise, including stored procedures and complex querying.