Lead Full Stack .NET Developer

Lead Full Stack .NET Developer

Location: Remote, US

Duration: Long-Term Contract

Overview

We are seeking an experienced Lead Software Engineer to design, build, and lead the delivery of scalable, enterprise-grade healthcare applications. This role combines hands-on full-stack development with technical leadership, modernizing legacy systems, architecting cloud-native microservices, and delivering intuitive, high-performance user experiences. The ideal candidate will have deep expertise in React front-end development, .NET Core backend systems, with a strong understanding of healthcare workflows and compliance requirements.

Key Responsibilities

• Lead the development of scalable, modular enterprise applications supporting patient scheduling, onboarding, and clinical workflows.
• Assist in the modernization of legacy systems into .NET Core 6/7 microservices, improving maintainability, performance, and extensibility.
• Support and implement rule-driven, event-based microservices to support complex scheduling and real-time workflows.
• Define and enforce best practices for code quality, performance, security, and scalability across teams.
• Build and maintain modern front-end applications using React, delivering responsive, user-friendly experiences.
• Develop secure, scalable RESTful APIs using ASP.NET Core, integrating with SQL and NoSQL databases.
• Integrate with external EHR systems using healthcare standards such as FHIR and HL7.
• Assist with CI/CD pipelines using GitHub Actions and Azure DevOps to automate testing, containerization, and deployment.
• Ensure applications comply with HIPAA and healthcare data protection regulations, implementing secure authentication and role-based access control.
• Optimize application performance through caching strategies, database indexing, and query optimization.
• Conduct code reviews, unit testing, and enforce secure development practices.
• Partner closely with product managers, designers, business analysts, clinical teams, and senior leadership to translate business requirements into technical solutions.
• Lead greenfield initiatives and deliver projects on time through structured planning, risk management, and stakeholder alignment.
• Mentor engineers, promote knowledge sharing, and contribute to a strong engineering culture within Agile/Scrum teams.

Qualifications

• 8+ years of professional software engineering experience with strong expertise in React for front-end development.
• Experience with ASP.NET Core, C#, Web APIs, and microservices architecture.
• Exposure with modernizing legacy systems into cloud-native architectures.
• Experience with Azure, relational and NoSQL databases, and CI/CD pipelines.
• Experience working in healthcare domains, including compliance and security considerations.
• Familiarity with FHIR and HL7 healthcare integration standards.
• Experience leading greenfield UI or platform initiatives.
• Strong background in Agile delivery, mentoring engineers, and cross-functional collaboration.