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Senior C# Winforms Developer Jobs (NOW HIRING)

Index Engines

Senior C/C++ Developer

San Jose, CA · On-site

... 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 ...

Logistics Management Institute

$104K - $143K/yr

Overview LMI is seeking a Senior C-UAS Engineer to lead planning and execution of test and evaluation projects for our DHS client. Candidates should have strong project management abilities to lead ...

Logistics Management Institute

Senior C-UAS Engineer

$107K - $146K/yr

Overview LMI is seeking a Senior C-UAS Engineer to lead planning and execution of test and evaluation projects for our DHS client. Candidates should have strong project management abilities to lead ...

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 ...

Deep Systems

$126K - $166K/yr

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

Lockheed Martin

Software Engineer Sr C/C++

Manassas, VA · On-site

$122K - $161K/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 ...

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

As of Jun 20, 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 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.
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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 June 2026, with employment types broken down into 83% Full Time, 2% Part Time, and 15% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.
Senior C and VoIP Developer, Code: #166

Senior C and VoIP Developer, Code: #166

CellTrust Corporation

Scottsdale, AZ • On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job Summary:
CellTrust Corporation is seeking a Senior C and VoIP Developer to enhance their existing software products. The role involves leading and mentoring developers, participating in agile development, and managing multiple projects and deadlines.
Responsibilities:
• Develop new functionality on our existing software products
• Lead/mentor developers and share knowledge through knowledge-sharing presentations
• Participate in a small, experienced, energetic team on a rapid, agile development schedule
• Maintaining and supporting multiple projects and deadlines
• All other responsibilities as assigned
Qualifications:
Required:
• Senior C programmer with advance knowledge of VoIP
• Bachelor’s degree plus 5 years’ experience or master’s degree plus 3 years’ experience
• Ability to sit for extended periods of time. Must be able to type for extended periods of time.
• Must adhere to regular and predictable attendance
Preferred:
• Working Knowledge of Encryption (OpenSSL)
• Working knowledge of IP-PBX (Asterisk)
• Knowledge of PJSIP/PJLIB a plus
• Experienced working in an agile environment and within a small team
• Ability to work independently or as a member of a team
• Ability to delegate work effectively
• Ability to meet all deadlines
• Attention to detail and quality
• Excellent verbal and written communication
• The ability to multitask and adapt to changing priorities
• A strong work ethic, expressed through the willingness and ability to acquire new skills, multitask, and take on projects outside immediate areas of expertise
Company:
CellTrust Corporation, founded in 2006 and headquartered in Scottsdale, Arizona, USA, is a global leader in mobile communications security and compliance for the highly regulated industries. Founded in 2006, the company is headquartered in Scottsdale, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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