Senior .NET Full Stack Developer - FHIR

Role: Senior .NET Full Stack Developer - FHIR
Location: Remote
Duration: 6+ months

Job description:
We are seeking a highly experienced Senior .NET Full Stack Developer with FHIR expertise to support a large-scale application modernization initiative. The ideal candidate will have strong hands-on experience in C#/.NET 8+, React, TypeScript, REST APIs, FHIR, microservices, Azure Cloud, and event-driven architecture.

This is a hands-on technical leadership role involving modernization of legacy monolithic applications into scalable, cloud-native, API-first solutions while leading and mentoring a team of engineers.

Key Responsibilities

• Design, develop, and implement full-stack applications using C#, .NET 8+, ASP.NET Core, React, and TypeScript.
• Develop RESTful APIs and integrate healthcare systems using FHIR (Fast Healthcare Interoperability Resources) standards.
• Modernize legacy monolithic applications into cloud-native microservices and event-driven architectures.
• Implement infrastructure automation using Terraform.
• Design and manage CI/CD pipelines using GitHub Actions and Argo CD.
• Lead application deployments, release automation, and environment management on Microsoft Azure.
• Implement event-driven solutions using Kafka or similar messaging platforms.
• Establish engineering best practices for code quality, automated testing, security, and performance.
• Leverage AI-assisted development tools such as GitHub Copilot, Claude Code, and Cursor to improve development productivity.
• Provide technical leadership, conduct code reviews, mentor developers, and collaborate with cross-functional teams.
• Ensure application scalability, reliability, observability, and production readiness.

Required Skills & Qualifications

• 8–10+ years of software engineering experience with strong full-stack development expertise.
• Extensive hands-on experience with C#, .NET 8+, ASP.NET Core, React, and TypeScript.
• Strong experience developing REST APIs and implementing FHIR integrations.
• Proven experience with microservices, cloud-native applications, and event-driven architecture.
• Hands-on experience with Microsoft Azure Cloud.
• Strong experience with Terraform, GitHub Actions, and Argo CD.
• Experience with Kafka or equivalent event-streaming technologies.
• Experience with CI/CD automation, release management, infrastructure-as-code, and platform engineering.
• Practical experience using GitHub Copilot, Claude Code, Cursor, or equivalent AI-assisted coding tools in production projects.
• Ability to explain a recent production implementation where AI-assisted development improved coding, testing, documentation, or deployment.
• Strong understanding of automated testing, CI/CD quality gates, application security, and performance optimization.
• Excellent technical leadership, mentoring, communication, and stakeholder management skills.

Preferred Qualifications

• Healthcare domain experience.
• Experience implementing healthcare interoperability solutions using HL7 FHIR.
• Experience leading engineering teams or development pods.
• Previous experience modernizing enterprise-scale legacy applications.