Lead Full Stack .NET Developer

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

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.