Lead Full Stack .NET Developer

Job Description

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

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

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