Senior .NET Developer

job summary: We are seeking a Senior .NET Full-Stack Application Developer for a contract-to-hire opportunity. This hands-on role will support and enhance existing enterprise applications while also developing modern web-based solutions. The ideal candidate will be a versatile developer comfortable working across desktop, web, API/service, and database layers.

Strong experience with C#, .NET, Microsoft Blazor, VB.NET, WPF/Windows Forms, SQL Server, WCF, REST APIs, Git/TFS, and CI/CD is required. Candidates should have strong troubleshooting skills, be comfortable supporting legacy applications while contributing to modernization efforts, and be able to work independently and take ownership of technical problems.

location: Clearwater, Florida job type: Contract to Perm salary: $55 - 75 per hour work hours: 8am to 5pm education: No Degree Required

responsibilities: Responsibilities

• Design, develop, enhance, maintain, and support enterprise applications using the Microsoft .NET technology stack.
• Develop modern web applications using Microsoft Blazor while supporting existing WPF and Windows Forms applications.
• Maintain and enhance applications built with C#, VB.NET, .NET, and .NET Framework.
• Develop, maintain, and integrate WCF and RESTful APIs/web services.
• Work extensively with Microsoft SQL Server, including complex queries, stored procedures, database integration, and troubleshooting.
• Troubleshoot production issues across the UI, application, API/service, and database layers, identifying root causes and implementing long-term solutions.
• Support modernization efforts, including transitioning legacy desktop/client-server functionality to modern web-based solutions.
• Participate in code reviews, CI/CD processes, source control, testing, builds, and deployments.
• Collaborate with developers, business analysts, application owners, and other stakeholders to understand requirements and deliver effective solutions.
• Take ownership of assigned applications and technical issues from development through implementation and production support.

qualifications: Qualifications

Strong professional experience with C# and .NET/.NET Framework, along with working proficiency in VB.NET.

Hands-on experience with Microsoft Blazor and modern web application development.

Experience developing and supporting WPF and/or Windows Forms applications.

Strong Microsoft SQL Server skills, including database-driven application development and troubleshooting.

Experience developing and supporting WCF and RESTful APIs/web services.

Working knowledge of CI/CD pipelines and software deployment processes.

Experience with Git, TFS, and/or Azure DevOps for source control.

Strong analytical, troubleshooting, and problem-solving skills with the ability to work independently and take ownership of technical issues.

Experience with Azure, Power BI, Entity Framework/EF Core, automated testing, or application modernization is a plus.

skills: .NET,.NET Framework,Microsoft .NET,integrating applications,Application performance,API,APIs,Blazor,C#,database,knowledge of CI/CD pipelines,Enterprise integration,enterprise applications,Entity Framework,Git,Azure DevOps,Azure,Microsoft desktop,Microsoft SQL Server,SQL Server databases,SQL Server,Power BI,RESTful APIs,developing applications,desktop application,source control,TFS,unit testing,VB.NET,web applications,web services,WCF,Windows Forms,WPF,troubleshoot,troubleshooting,Automated,Full-Stack Application,troubleshooting production issues,production systems,investigate,root-cause analysis skills,deployment processes,application support

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate’s education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

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Responsibilities

• Design, develop, enhance, maintain, and support enterprise applications using the Microsoft .NET technology stack.
• Develop modern web applications using Microsoft Blazor while supporting existing WPF and Windows Forms applications.
• Maintain and enhance applications built with C#, VB.NET, .NET, and .NET Framework.
• Develop, maintain, and integrate WCF and RESTful APIs/web services.
• Work extensively with Microsoft SQL Server, including complex queries, stored procedures, database integration, and troubleshooting.
• Troubleshoot production issues across the UI, application, API/service, and database layers, identifying root causes and implementing long-term solutions.
• Support modernization efforts, including transitioning legacy desktop/client-server functionality to modern web-based solutions.
• Participate in code reviews, CI/CD processes, source control, testing, builds, and deployments.
• Collaborate with developers, business analysts, application owners, and other stakeholders to understand requirements and deliver effective solutions.
• Take ownership of assigned applications and technical issues from development through implementation and production support.

NET,.NET Framework,Microsoft .NET,integrating applications,Application performance,API,APIs,Blazor,C#,database,knowledge of CI/CD pipelines,Enterprise integration,enterprise applications,Entity Framework,Git,Azure DevOps,Azure,Microsoft desktop,Microsoft SQL Server,SQL Server databases,SQL Server,Power BI,RESTful APIs,developing applications,desktop application,source control,TFS,unit testing,VB.NET,web applications,web services,WCF,Windows Forms,WPF,troubleshoot,troubleshooting,Automated,Full-Stack Application,troubleshooting production issues,production systems,investigate,root-cause analysis skills,deployment processes,application support