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Senior C# Winforms Developer Jobs (NOW HIRING)

Cmu

Senior C Programmer

Pittsburgh, PA · On-site

Much of the software is written in C, and some in Python. We are responsible for the entire life ... Primary developer / project lead for a completed software project. Exposure to all phases of ...

Softthink Solutions Inc

Senior C Programmer

Seattle, WA · On-site

$45 - $55/hr

Senior C++ Programmer Location: Seattle, WA Work Authorization: US Citizen Position Overview: We are seeking an experienced Senior C++ Programmer to support the continued development, enhancement ...

Cmu

Senior C Programmer

Arlington, VA · On-site

Much of the software is written in C, and some in Python. We are responsible for the entire life ... Primary developer / project lead for a completed software project. Exposure to all phases of ...

Index Engines

Senior C/C++ Developer

San Jose, CA · On-site

$63.75 - $84.25/hr

... senior level Software Engineers for our San Jose, CA office . The ideal candidate will develop ... Strong skills in C and Python * Experience with high-availability systems, clustering, or ...

Amentum

Sr C/C++ Software Developer

Dahlgren, VA · On-site

$55.50 - $73.50/hr

... C++ Software Developer Responsibilities Include: * Support Naval projects and programs by ... Primarily support a Senior Amentum developer in development using Agile development principles.

Softthink Solutions

Senior C Programmer

Seattle, WA · On-site

$45 - $55/hr

Senior C++ Programmer Location: Seattle, WA Work Authorization: US Citizen Position Overview: We are seeking an experienced Senior C++ Programmer to support the continued development, enhancement ...

Index Engines Inc

Senior C/C++ Developer

San Jose, CA · On-site

$150K - $195K/yr

... senior level Software Engineers for our San Jose, CA office. The ideal candidate will develop ... Strong skills in C and Python * Experience with high-availability systems, clustering, or ...

Amentum

Sr C/C++ Software Developer

Virginia, IL · On-site

$110 - $190/hr

... C++ Software Developer Responsibilities Include: * Support Naval projects and programs by ... Primarily support a Senior Amentum developer in development using Agile development principles.

Amentum

$110 - $190/hr

... C++ Software Developer Responsibilities Include: * Support Naval projects and programs by ... Primarily support a Senior Amentum developer in development using Agile development principles.

Pae

Sr C/C++ Software Developer

Dahlgren, VA

$55.50 - $73.50/hr

... C++ Software Developer Responsibilities Include: * Support Naval projects and programs by ... Primarily support a Senior Amentum developer in development using Agile development principles.

Index Engines

Senior C/C++ Developer

San Jose, CA · On-site +1

$63.75 - $84.25/hr

... senior level Software Engineers for our San Jose, CA office. The ideal candidate will develop ... Strong skills in C and Python * Experience with high-availability systems, clustering, or ...

Index Engines Inc

Senior C/C++ Developer

San Jose, CA · On-site +1

$63.75 - $84.25/hr

... senior level Software Engineers for our San Jose, CA office. The ideal candidate will develop ... Strong skills in C and Python * Experience with high-availability systems, clustering, or ...

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Senior C Winforms Developer information

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How much do senior c# winforms developer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior c# winforms developer in the United States is $80,287.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What does a Senior C# WinForms Developer do?

A Senior C# WinForms Developer designs, develops, and maintains Windows desktop applications using the C# programming language and the Windows Forms (WinForms) framework. They are responsible for creating user interfaces, implementing business logic, and ensuring the software is efficient, reliable, and user-friendly. In addition to coding, they often mentor junior developers, participate in code reviews, and help set technical standards for projects. Their expertise is crucial for building robust, scalable, and maintainable desktop applications.

What are some common challenges faced by Senior C# WinForms Developers when maintaining legacy applications?

Senior C# Winforms Developers often encounter challenges such as outdated libraries, lack of documentation, and tightly coupled code when maintaining legacy applications. Adapting these systems to modern requirements, such as enhancing UI/UX or integrating with newer technologies, can require significant refactoring. Effective troubleshooting and strong communication with stakeholders are essential, as legacy systems often have business-critical functions and limited tolerance for downtime.

What are the key skills and qualifications needed to thrive as a Senior C# WinForms Developer, and why are they important?

To thrive as a Senior C# Winforms Developer, you need advanced proficiency in C#, .NET Framework, Windows Forms development, and a solid background in computer science or related fields. Expertise with Visual Studio, source control systems like Git, and familiarity with SQL databases and unit testing frameworks are typically expected. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with teams and translate requirements into robust software solutions. These skills and qualities are crucial for delivering reliable, maintainable applications and leading development efforts in complex desktop environments.
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Senior C Winforms Developer jobs near you
Infographic showing various Senior C# Winforms Developer job openings in the United States as of August 2026, with employment types broken down into 82% Full Time, 2% Part Time, and 16% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.

Senior/Lead .Net Developer (WinForms)

Theron Partners Inc.

Warren, NJ • On-site

Other

Posted 2 days ago

New

Job description

Job Title: Lead/Sr .Net Developer
Location: Warren, NJ
Duration: Full-Time (FTE, Direct Hire)
Schedule: Onsite Role

The top skills are C#, WinForms, SQL, Azure, and Entity Frameworks.

THE ROLE:

  • The Senior .Net Developer will play a key role in the design, development, and maintenance of robust .NET applications. This position is responsible for analyzing system requirements, prioritizing development tasks, and writing clean, testable code using .NET programming languages. The developer will create technical specifications and architectural designs, as well as test, debug, and refactor various .NET applications to ensure optimal performance and reliability.
  • In addition to hands-on coding, the Senior .Net Developer will support and mentor junior developers, ensuring adherence to best practices and high-quality standards. The role also involves documenting development and operational procedures to facilitate knowledge sharing and maintain project continuity.
  • Staying current with trends in the maritime and logistics industry, as well as project management methodologies, is essential.

KEY RESPONSIBILITIES:

  • Building high-quality, innovative, and fully performing software.
  • Ensure compliance with coding standards and technical design.
  • Work effectively in a team environment.
  • Be familiar with the latest software development patterns.
  • Develop technical specifications and architecture.
  • Review and refactor code.
  • Test and debug various .NET applications.
  • Support junior developers work.

Qualifications and Experience:

  • Ability to work across multiple complex projects simultaneously.
  • Strong understanding of modern Software Design and Development methodologies/patterns.
  • Maintains Current knowledge of all relevant technological developments.
  • Serves as the point of escalation for architecture related activities.
  • .Net framework and Core, c# (c++/MFC are a plus)
  • Strong knowledge of object-oriented design, threading, dependency Injection, asynchronous development.
  • Knowledge of Azure technologies required (key vault, blobs, graphapi, etc.).
  • Expert level SQL developer with strong knowledge of T SQL, schemas, performance tuning
  • Entity framework both core and standard
  • REST Apis/Web services
  • Very strong knowledge of Winforms

Apply