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Senior C# Developer Jobs (NOW HIRING)

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Senior C/C++ Linux Engineer

Philadelphia, PA

$123K - $163K/yr

Design, develop, and maintain real-time, fault-tolerant C/C++ applications on Linux platforms ... Expertise in event-driven programming and development of Linux desktop applications * Experience ...

Raytheon

Senior C/C++ Software Development Engineer

Tewksbury, MA

$132K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a skilled and detail-oriented Senior Software Engineer to develop complex systems in C/C++ as part of our Patriot Software Team in Tewksbury, Massachusetts. Patriot is the world's pre ...

Raytheon

Senior C/C++ Software Development Engineer

Tewksbury, MA

$132K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a skilled and detail-oriented Senior Software Engineer to develop complex systems in C/C++ as part of our Patriot Software Team in Tewksbury, Massachusetts. Patriot is the world's pre ...

Navarro Inc.

Mid to Senior I&C Engineer (3923)

Oak Ridge, TN · On-site

$99K - $137K/yr

Navarro Research and Engineering is recruiting aMid to Senior I&C Engineer(3923) for a new Nuclear Fuel Facility. Navarro is an award-winning provider of turnkey solutions, delivering comprehensive ...

Navarro Inc.

Senior Lead I&C Engineer (3910)

Oak Ridge, TN · On-site +1

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Navarro Research and Engineering is recruiting a Senior Lead I&C Engineer (3921) for a new Nuclear Fuel Facility. Navarro is an award-winning provider of turnkey solutions, delivering comprehensive ...

Navarro Inc.

Senior Lead I&C Engineer (3910)

Oak Ridge, TN · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Navarro Research and Engineering is recruiting a Senior Lead I&C Engineer (3921) for a new Nuclear Fuel Facility. Navarro is an award-winning provider of turnkey solutions, delivering comprehensive ...

Navarro Inc.

Senior Lead I&C Engineer (3910)

Oak Ridge, TN

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Navarro Research and Engineering is recruiting a Senior Lead I&C Engineer (3921) for a new Nuclear Fuel Facility. Navarro is an award-winning provider of turnkey solutions, delivering comprehensive ...

Ms Technology, Inc

Sr. I&C Engineer

Oak Ridge, TN · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Sr. I&C Engineer will be responsible for supporting the instrumentation and controls (I&C) through detailed design, build and testing of the I&C according to the design requirements. Candidates ...

MS Technology, Inc.

Sr. I&C Engineer

Oak Ridge, TN · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Sr. I&C Engineer will be responsible for supporting the instrumentation and controls (I&C) through detailed design, build and testing of the I&C according to the design requirements. Candidates ...

Actalent

Senior I&c Engineer

Charlotte, NC

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Instrumentation & Controls (I&C) Engineer This Senior Instrumentation & Controls Engineer role supports engineering, design, and modernization initiatives for nuclear power generation ...

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Senior C Developer information

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How much do senior c# developer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for senior c# developer in the United States is $61.73, according to ZipRecruiter salary data. Most workers in this role earn between $52.40 and $69.23 per hour, depending on experience, location, and employer.

What are the typical responsibilities and projects of a senior C# developer?

Senior C# Developers are often responsible for designing, coding, and maintaining complex software applications while participating in architectural decisions and code reviews. They mentor junior developers, contribute to project planning, and collaborate closely with QA engineers, UI/UX designers, and product managers to deliver high-quality features and enhancements. Common projects may include developing RESTful APIs, integrating third-party services, optimizing application performance, and transitioning legacy systems to modern architectures. You can expect a balance of hands-on coding, technical leadership, and coordinating with various stakeholders to align software solutions with business needs.

What is a senior C# developer?

A Senior C# Developer is an experienced software engineer who specializes in developing applications using the C# programming language within the .NET framework. They design, develop, and maintain complex software solutions while guiding junior developers and ensuring best coding practices. Responsibilities often include system architecture, performance optimization, and troubleshooting issues. Strong knowledge of object-oriented programming, databases, and cloud technologies is essential. Typically, they collaborate with cross-functional teams to deliver high-quality software solutions efficiently.

What are the key skills and qualifications needed to thrive as a senior C# developer?

To thrive as a Senior C# Developer, you need advanced proficiency in C# and the .NET framework, strong problem-solving skills, and experience with software design patterns, typically backed by a bachelor's degree in computer science or related field. Familiarity with tools such as Visual Studio, source control systems like Git, and technologies such as SQL Server and cloud platforms is highly valued, as are certifications like Microsoft Certified: Azure Developer Associate. Excellent communication, mentorship, and teamwork abilities set outstanding candidates apart in this role. These skills and qualities are essential to deliver robust software solutions, guide junior developers, and collaborate effectively in dynamic development environments.

More about Senior C Developer jobs
What are the most commonly searched types of C# Developer jobs? The most popular types of C# Developer jobs are:
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Senior C Developer jobs near you
Infographic showing various Senior C# Developer job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, 3% Part Time, and 17% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $128,400 per year, or $61.7 per hour.

Senior C/Unix Batch Developer (Healthcare Claims)

Gainwell Technologies LLC

Austin, TX • On-site

$75K - $95K/yr

Other

Medical, Life, Retirement, PTO

Re-posted 21 days ago

Gainwell Technologies rating

7.8

Company rating: 7.8 out of 10

Based on 80 frontline employees who took The Breakroom Quiz

136th of 244 rated software companies

Job description

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have comprehensive leadership and technical development academies to help build your skills and capabilities.
Summary
As a Senior C/Unix Batch Developer (Healthcare Claims) at Gainwell, you can contribute your skills as we harness the power of technology to help our clients improve the health and well-being of the members they serve - a community's most vulnerable. Connect your passion with purpose, teaming with people who thrive on finding innovative solutions to some of healthcare's biggest challenges. Here are the details on the position.
Your role in our mission
Help power critical healthcare claims solutions at Gainwell. You'll work on complex, high-impact systems, partner with technical leadership, solve meaningful production and integration challenges, and help modernize a platform that supports essential healthcare operations.
  • Design, build, test, and support complex applications and batch solutions in a C, Unix/Linux, and Oracle environment.
  • Own key technical deliverables across the full development lifecycle, from design and implementation through production support.
  • Partner with technical leads and business stakeholders to deliver scalable, reliable solutions.
  • Troubleshoot complex application, data, and integration issues with a focus on long-term stability and performance.
  • Contribute to modernization, release readiness, and continuous improvement across a critical healthcare technology platform.

What we're looking for
  • 6+ years of development experience with C, Unix/Linux, Oracle, SQL, and PL/SQL.
  • Strong background delivering complex solutions in enterprise or legacy application environments.
  • Experience with batch automation, production support, performance tuning, and technical troubleshooting.
  • Strong problem-solving, collaboration, and technical documentation skills.
  • Healthcare IT or claims processing experience is strongly preferred.
  • Expertise with multiple claims bundling/editing software platforms is desired

What you should expect in this role
  • Fully remote opportunity with the option to work anywhere within the United States
  • Opportunities to travel through your work (0-10%)
  • Willingness to work a flexible schedule to accommodate business needs and travel as required
  • Video cameras must be used during all interviews, as well as during the initial week of orientation

#LI-SH1
#LI-REMOTE
The deadline to submit applications for this posting is August 31, 2026
The pay range for this position is $75,000 - $95,000 per year, however, the base pay offered may vary depending on geographic region, internal equity, job-related knowledge, skills, and experience among other factors. Put your passion to work at Gainwell. You'll have the opportunity to grow your career in a company that values work flexibility, learning, and career development. All salaried, full-time candidates are eligible for our generous, flexible vacation policy, a 401(k) employer match, comprehensive health benefits , and educational assistance. We also have a variety of leadership and technical development academies to help build your skills and capabilities.
We believe nothing is impossible when you bring together people who care deeply about making healthcare work better for everyone. Build your career with Gainwell, an industry leader. You'll be joining a company where collaboration, innovation, and inclusion fuel our growth. Learn more about Gainwell at our company website and visit our Careers site for all available job role openings.
Gainwell Technologies is an Equal Opportunity Employer, where all qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), age, sexual orientation, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. Gainwell Technologies defines "wages" and "wage rates" to include "all forms of pay, including, but not limited to, salary, overtime pay, bonuses, stock, stock options, profit sharing and bonus plans, life insurance, vacation and holiday pay, cleaning or gasoline allowances, hotel accommodations, reimbursement for travel expenses, and benefits.

What Gainwell Technologies employees say

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About Gainwell Technologies

Sourced by ZipRecruiter

With Health and Cost outcomes that pierce Inequities and Impact Economies, the success of our Nation’s Federal Medicaid program is inextricably tied to the Prosperity of Communities, States and the Nation as a whole. We think that deserves Respect and a Commitment from Innovators who can help those who operate within and around health and human services evolve to meet their goals. At Gainwell, that’s our Sole focus. Built across more than Five Decades, Gainwell has intentionally seized opportunities to advance its digitally enabled services to meet Agencies, Health plans and MCOs where they are on their modernization journeys and propel them into the future of Healthcare. Equally important to our Expanding Technologies and Results. We bring ideas that bring policies to life.

Industry

Health care and social assistance

Company size

10,000+ Employees

Headquarters location

Irving, TX, US

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