Sr. UI Developer (.NET C#​/AWS

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.

As a
Sr. UI Developer (.NET C#/AWS) at Gainwell, you will be a part of an innovative healthcare technology company with a mission to serve the healthcare needs of our communities. You will use your programming and analytical skills to drive the development of healthcare administration products used, and relied upon, by millions of patients. Most importantly, you’ll have the chance to grow and develop as a professional through our exceptional developmental opportunities.

Play a critical part in ensuring Gainwell is meeting our clients’ objectives in important areas.

• Performs change order coding and research
• Codes, tests, debugs, implements, and documents programs.
• Assists in the modification of company products and/or customer/internal systems to meet the needs of the client and/or end-user.
• Gathers information from the system, analyzes program and time requirements, and prepares documentation to change existing programs.
• Research and analysis of existing systems and program requirements, under periodic supervision.
• Designs programs for projects or enhancements to existing programs.
• Writes specifications for programs of low to moderate complexity.
• Assists in resolving production support problems.
• Develop and suggest alternative approaches to resolving problems.
• Develop test plans to verify logic of new or modified programs. Identifies issues as appropriate.
• Creates appropriate documentation in work assignments such as program code, and technical documentation.
• Conducts quality assurance activities such as peer reviews.

6+ years of applications, web and user interface (UI) development and programming experience with ASP.NET C# to include:

• AWS
• Microsoft SQL Server, with ability to troubleshoot data issues and write/execute data transformation scripts
• Working with third-party software integration through various interface engines
• Web application hosting in Microsoft IIS, web APIs, and troubleshooting API-based applications
• Developing and/or supporting web applications
• Previous batch UNIX/LINUX/C experience is highly desired
• Healthcare and/or Medicaid systems experience is highly desired

• 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

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The deadline to submit applications for this posting is January 9, 2026

The pay range for this position is $80,00 - $100,000 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 ’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.