Senior .NET Full Stack Developer – C#
Company: Cognizant
Location: Norfolk, VA (Remote)
Salary: $86,000 - $99,000 a year
Type: Full-time
Remote: Yes
Posted: 2026-11-08
About this role
About the role
As a Senior .NET Full Stack Developer – C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including eligibility, benefits, claims adjudication, billing, and provider services.
You will be a valued member of the application development team and work collaboratively with architects, product owners, business analysts, quality engineers, and other technology stakeholders to deliver secure, reliable, and high-performing solutions.
In this role, you will
Design, develop, and maintain scalable enterprise applications using Java, Spring Boot, .NET Framework, C#, Node.js, React, and Angular to support healthcare payer workflows and claims processing.
Develop secure, reusable microservices and REST APIs that enable seamless integration among internal applications, provider networks, third-party vendors, and external healthcare platforms.
Build intuitive and responsive user interfaces that simplify workflows for operations teams, providers, and members while improving data accuracy and user experience.
Integrate applications with Microsoft Azure services for application hosting, data storage, identity management, monitoring, observability, and performance optimization.
Collaborate with cross-functional product and business teams to translate healthcare payer requirements into technical designs that improve operational efficiency, regulatory compliance, and system reliability.
Conduct code reviews, unit testing, and integration testing across Java, .NET, and JavaScript codebases to reduce defects and support stable production releases.
Troubleshoot complex production issues across front-end, back-end, API, and database layers while improving application performance, availability, and response times.
Document technical designs, application data flows, integration patterns, and healthcare payer business rules to support knowledge sharing and long-term maintainabi...