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Senior C# Winforms Developer Jobs (NOW HIRING)

PlacingIT

Senior C/C++ Engineer - Onsite - 1782

Atlanta, GA

$117.80K - $155.30K/yr

Senior C/C++ Engineer - Onsite - 1782 Location Atlanta, GA Employment Type: Full-Time, salaried w ... Contribute to CI/CD pipelines, DevOps initiatives, containerization, and system integration ...

PlacingIT

Senior C/C++ Engineer - Onsite - 1782

Atlanta, GA

$117.80K - $155.30K/yr

Senior C/C++ Engineer - Onsite - 1782 Location Atlanta, GA Employment Type: Full-Time, salaried w ... Contribute to CI/CD pipelines, DevOps initiatives, containerization, and system integration ...

Deep Systems

$126.20K - $166.40K/yr

Senior Software Engineer Requirements: * Capital Markets Experience - understanding of front ... Partner with Lead Developer and Executive Management on various projects. * Manage individual ...

FITS LLC

Senior C&Q Engineer

Juncos, PR · On-site

$102.30K - $140.40K/yr

For C&Q services in the Engineering area. WHAT MAKES YOU A FIT: The Technical Part: * Bachelor's Degree in Engineering with four (4) years of Assembly and Packaging Process experience. * Bilingual ...

Lockheed Martin

Software Engineer Sr C/C++

Manassas, VA · On-site

$122.50K - $161.50K/yr

The Work Lockheed Martin Rotary and Mission Systems is seeking a Software Engineer C/C++ Sr. in ... Azure DevOps) to automatically compile, run unit/integration tests, and deliver builds for C/C ...

Foundation Software

Sr. Applications Developer

Strongsville, OH · On-site

$88.60K - $121.80K/yr

... senior application developers. The position will help take our software to the next level through ... Develop new software services using C# / .NET / Web API / SQL Server / WinForms / WPF in Azure

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

As of May 30, 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 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.

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 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.
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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 May 2026, with employment types broken down into 1% Internship, 1% Full Time, 2% Temporary, and 96% Contract. Highlights an 73% Physical, and 27% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.

Senior .NET Developer - C#, WinForms, .NET Core, Azure

Intrepid Professional Search Group

Hackettstown, NJ • Hybrid

$160K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago

Job description

Senior .NET Developer – C#, WinForms, .NET Core, Azure


Location: Warren, NJ (Hybrid – Must be able to commute daily, relocation NOT provided)
Type: Full-Time | Direct Hire | Competitive Salary + Excellent Benefits

We are looking for a Senior .NET Developer with strong WinForms and Azure experience to join a stable, well-established organization in Warren, NJ. This is a high-impact role where you will design, develop, and maintain complex .NET applications while mentoring junior developers and serving as a technical escalation point.

Key Responsibilities:

  • Design, develop, and maintain robust, high-performance .NET applications (Framework and .NET Core)
  • Write clean, scalable, and testable code in C#
  • Develop and maintain WinForms applications (strong expertise required)
  • Build and consume REST APIs and web services
  • Work with Azure services (Key Vault, Blob Storage, Graph API, and others)
  • Develop and optimize complex T-SQL queries, stored procedures, and database schemas with strong performance tuning skills
  • Utilize Entity Framework (Core and Standard)
  • Create technical specifications, architecture diagrams, and documentation
  • Review and refactor code to ensure adherence to best practices and high-quality standards
  • Mentor and support junior developers
  • Manage multiple complex projects simultaneously in a fast-paced environment
  • Stay current with modern software development methodologies and .NET ecosystem advancements

Required Technical Skills:

  • Strong proficiency in .NET Framework and .NET Core
  • Expert-level C# development
  • Very strong WinForms experience (this is a core requirement)
  • Solid understanding of Object-Oriented Design, threading, Dependency Injection, and asynchronous programming
  • Azure technologies (Key Vault, Blobs, Graph API, etc.)
  • Expert-level SQL / T-SQL with performance tuning experience
  • Entity Framework (Core + Standard)
  • REST APIs and Web Services

Nice-to-Haves:

  • HTML5, JavaScript, jQuery, JQWidgets
  • TypeScript and Angular
  • C++/MFC experience

Qualifications:

  • BS or Master’s degree in Computer Science, Engineering, or related field
  • 7+ years of hands-on .NET development experience
  • Proven ability to lead technical decisions and mentor others
  • Strong problem-solving skills and attention to detail

What We Offer:

  • Competitive base salary (up to $160k depending on experience)
  • Excellent benefits package: 401(k) with matching, Health/Dental/Vision, HSA/FSA, Life Insurance, PTO, Parental Leave, Employee Discounts
  • Hybrid work model (must be able to commute to Warren, NJ daily)
  • Opportunity to work on complex, business-critical applications with visible impact

If you are a strong .NET developer with solid WinForms, Azure, and SQL skills, we want to hear from you!

Apply