Job Title: Senior .NET Full-Stack Application Developer
Location: Clearwater, FL (On-site)
Employment Type: Contract-to-Hire (W2 through ZipStaff — No C2C or 1099)
About the Opportunity:
ZipStaff is seeking two Senior .NET Full-Stack Application Developers to support and modernize enterprise applications for a large local government / public-sector organization in the Tampa Bay area.
This is a hands-on development and production-support role. You must work across legacy Microsoft desktop / client-server apps and modern Blazor web applications — UI, application, API/service, and database. Specialists who only do web, or only do desktop, will not be a fit.
What You’ll Do:
• Design, develop, enhance, maintain, and support enterprise applications across the Microsoft .NET stack.
• Support existing desktop / client-server applications ( VB.NET , WPF and/or Windows Forms ).
• Build modern Blazor web applications.
• Integrate applications with WCF / REST APIs and SQL Server.
• Troubleshoot production issues across UI, application, API, and database layers.
• Perform root-cause analysis and implement durable fixes — not temporary patches.
• Contribute to application modernization.
• Work with Git and/or TFS / Azure DevOps and participate in CI/CD deployments.
Required Qualifications:
• 8+ years of hands-on Microsoft .NET application development.
• Strong C# and .NET / .NET Framework.
• Strong hands-on Microsoft Blazor.
• Working proficiency in VB.NET — must maintain and enhance existing VB.NET applications.
• Experience with WPF and/or Windows Forms.
• Strong Microsoft SQL Server.
• WCF and RESTful APIs / web services.
• Git and/or TFS / Azure DevOps.
• Working knowledge of CI/CD pipelines and deployments.
• Strong troubleshooting and root-cause analysis across multiple application layers.
• Ability to work on-site in Clearwater, FL.
• Must be legally authorized to work in the United States without sponsorship now or in the future.
Preferred Qualifications:
• Azure / Azure DevOps.
• Entity Framework / EF Core.
• Power BI.
• Automated / unit testing.
• Application performance tuning.
• Enterprise integration and large, complex application support.
About ZipStaff:
ZipStaff partners with leading organizations to connect skilled technology professionals with high-impact contract opportunities. We focus on quality matches and long-term success.
To apply , please submit your resume highlighting C#, Blazor, VB.NET , WPF/WinForms, SQL Server, and production support work.
Pay: $52 - $54 per hour