Sr. UI Developer (.NET C#/AWS/SQL) in United States at Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Sr. UI Developer (.NET C#/AWS/SQL) in the United States.

This role offers an opportunity to contribute to the development of modern, large-scale healthcare applications that directly support critical public health and human services programs. You will work as part of a highly skilled engineering team focused on building and enhancing web-based user interfaces and backend-integrated systems used by millions of end users. The position combines front-end UI development with backend services, cloud technologies, and data-driven functionality to deliver reliable, scalable, and secure applications. The environment is collaborative, mission-driven, and focused on continuous improvement, innovation, and technical excellence. You will engage in full software development lifecycle activities, from design and coding to testing and deployment, while working with modern Microsoft and AWS technologies. This is a fully remote opportunity that offers strong career growth, technical development, and the chance to make a meaningful impact in healthcare technology.

• Design, develop, test, and maintain web applications and UI components using ASP.NET, C#, and modern front-end development practices.
• Build, modify, and support application features and enhancements based on business and client requirements.
• Develop and maintain SQL Server databases, including writing queries, debugging data issues, and executing data transformation scripts.
• Integrate applications with third-party systems using APIs and interface engines while ensuring reliability and performance.
• Support application hosting environments in Microsoft IIS and troubleshoot API-based and web-based application issues.
• Participate in system analysis, program design, and technical documentation for enhancements and new development efforts.
• Conduct testing activities including unit testing, integration testing, and peer code reviews to ensure software quality.
• Assist in resolving production support issues and provide root cause analysis with potential solutions.
• Collaborate with cross-functional teams to design scalable, secure, and efficient software solutions.
• Contribute to continuous improvement initiatives and propose alternative technical approaches to optimize system performance.

• 6+ years of experience in application, web, and UI development using ASP.NET and C#.
• Strong experience with AWS cloud services and cloud-based application development.
• Advanced knowledge of Microsoft SQL Server, including troubleshooting, query optimization, and data transformation scripting.
• Experience working with APIs, web services, and third-party system integrations.
• Hands-on experience with IIS hosting environments and debugging API-based applications.
• Strong understanding of full software development lifecycle practices, including testing and documentation.
• Familiarity with UNIX/Linux or batch processing environments is highly preferred.
• Experience in healthcare or Medicaid systems is a strong advantage.
• Strong analytical, debugging, and problem-solving skills in complex technical environments.
• Ability to work independently in a remote environment while collaborating effectively with distributed teams.

• Competitive annual salary ranging from $80,000 to $100,000 depending on experience and location.
• Fully remote work opportunity across the United States.
• Comprehensive health, dental, and vision insurance coverage.
• 401(k) retirement plan with employer matching contributions.
• Flexible vacation policy supporting work-life balance.
• Educational assistance and continuous learning opportunities.
• Access to leadership and technical development academies.
• Opportunity to work on impactful healthcare technology used at national scale.
• Collaborative and inclusive work environment focused on innovation and growth.
• Limited travel requirements (0–10%) for occasional business needs.