C#​/.NET Developers

Base pay range

$25.00/hr - $30.00/hr

Direct message the job poster from Seneca Resources

Job title: C#/.NET Developers

Location: Montgomery Alabama

Rate: $30/hour on w2

Type: Contract

Must: In-person Interview

Position

Description:

Seeking two skilled C#/.NET Developers to support a large-scale modernization initiative migrating legacy .NET Framework 4.x applications, web applications, and services/APIs to .NET 6. This role is ideal for developers experienced in application modernization, code migration, API development, and performance-driven C# coding.

The selected consultants will work on converting ASP.NET Web Forms to Blazor Server
, rewriting legacy services into RESTful APIs
, and helping the team build modern, scalable, cloud-ready applications. This position offers the opportunity to work with cutting-edge .NET technologies while contributing to a mission‑critical upgrade initiative.

• Participate in the migration of legacy C# applications, web applications, and services from .NET Framework 4.x to .NET 6.
• Rewrite ASP.NET Web Forms components into Blazor Server applications using custom frameworks and libraries.
• Convert WCF services into modern RESTful APIs built on .NET 6+.
• Write clean, maintainable, and well‑structured C# code aligned with team standards and best practices.
• Conduct functional testing to ensure accuracy, performance, and reliability of all code delivered.
• Debug, troubleshoot, and optimize application performance issues.
• Develop SQL queries and integrate applications with Microsoft SQL Server
  .
• Collaborate with team members and leadership through regular meetings, stand‑ups, and code reviews.
• Follow established developer guidelines, coding standards, and documentation requirements.

• Proven experience programming in C#, with the ability to write clean, reliable, and maintainable code.
• Hands‑on experience with .NET Framework and .NET 6 (or newer) environments.
• Working knowledge of ASP.NET Web Forms
  , Blazor Server
  , or related web development frameworks.
• Experience converting or supporting WCF, REST APIs, or service modernization work.
• Strong understanding of software development best practices
  , debugging techniques, and code optimization.
• Experience writing SQL queries and interacting with Microsoft SQL Server.
• Ability to work onsite and collaborate in a structured team environment.

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm — we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.

Mid‑Senior level

Contract

Information Technology

Information Services