Senior Full-Stack .NET Lead — React & Cloud Microservices

KANINI; Nashville (TN); On-site; USD 120,000 - 160,000; Full time

Job summary

KANINI in Nashville, TN is seeking a Lead Software Engineer to design, build, and lead the delivery of scalable, enterprise healthcare applications. You will combine hands-on full-stack development with technical leadership to modernize legacy systems and deliver high-performance user experiences.

The role focuses on React front-end with ASP.NET Core back-end, cloud-native microservices, HIPAA-compliant security, and close collaboration with product, design, and clinical teams to align

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.

Responsibilities

• Lead the development of scalable enterprise applications supporting patient scheduling and clinical workflows.
• Assist in modernizing legacy systems into .NET Core 6/7 microservices.
• Support and implement rule-driven, event-based microservices for scheduling and real-time workflows.
• Define and enforce best practices for code quality, performance, security, and scalability across teams.
• Build modern front-end applications using React with 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 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.

Skills

React front-end

Leadership

Agile delivery

Full-stack development

HIPAA compliance knowledge

Tools

ASP.NET Core

Azure DevOps

GitHub Actions

SQL

NoSQL

Job description

KANINI in Nashville, TN is seeking a Lead Software Engineer to design, build, and lead the delivery of scalable, enterprise healthcare applications. You will combine hands-on full-stack development with technical leadership to modernize legacy systems and deliver high-performance user experiences.

The role focuses on React front-end with ASP.NET Core back-end, cloud-native microservices, HIPAA-compliant security, and close collaboration with product, design, and clinical teams to align