Senior full stack engineer (.net, react, cloud)

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

Design, build, test and operate secure, scalable software for Medicaid DDI programs and modernized Provider Plus capabilities. Use cloud-native engineering and approved AI coding tools to improve delivery speed while retaining developer ownership for design, security, correctness, testing and maintainability.

Your role in our mission

Essential Job Functions

• Develop React/TypeScript micro-frontends and .NET 10/C# microservices, serverless services and contract-first REST APIs.
• Build multi-tenant capabilities using tenant isolation, configuration-driven behavior, feature flags and coordinated API, UX and schema versioning.
• Develop PostgreSQL solutions and AWS workloads using applicable Lambda, API Gateway, S3, SQS, Glue/Spark, MSK/Kafka and EKS patterns.
• Implement REST, event, queue, batch and managed file-transfer integrations, including adapters for required SOAP/WCF interfaces.
• Create Terraform and CI/CD assets for automated build, test, security scanning, deployment, rollback and environment promotion.
• Implement automated tests, observability, secure logging, code review, vulnerability remediation and production-readiness controls.

What we're looking for

• 6+ years of Professional Software Engineering experience.
• Strong hands-on C#/.NET and JavaScript/TypeScript Development; React and Modern API experience preferred.
• Experience delivering enterprise applications, integrations or cloud-native services; Medicaid/MMIS/MES experience preferred.
• Strong knowledge of SOLID, distributed systems, microservices, event-driven design and secure coding.

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.

The deadline to submit applications for this posting is December 30, 2026.

The pay range for this position is $76,100.00 - $108,700.00 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.