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.