Full Stack .NET Developer with React JS and Node JS

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I hope you're doing well.

We have a position as a " Full Stack .NET Developer with React JS and Node JS " with our client. Please find the details below, and if interested, please send me your updated Word-format resume.

Job Title: Full Stack .NET Developer with React JS and Node JS
Location: Louisville, KY - Onsite
Duration: Contract
Job Summary
We are seeking an experienced Senior Software Engineer with strong expertise in React.js, Node.js, and .NET (with TDD practices) to join our team supporting Humana. The ideal candidate will be responsible for designing, developing, and maintaining high-quality, scalable applications while following modern software development standards and Test-Driven Development (TDD) methodologies.
Key Responsibilities
Frontend Development (React.js)
Design and develop responsive, reusable UI components using React.js
Manage application state using Redux, Context API, or similar frameworks
Integrate RESTful APIs and GraphQL endpoints into the UI
Ensure cross-browser compatibility and optimize performance
Collaborate closely with UX/UI designers to deliver pixel-perfect implementations

Backend Development (Node.js & .NET)
Design and develop scalable RESTful APIs using Node.js and/or ASP.NET Core
Build and maintain microservices or monolithic architectures
Implement authentication and authorization (OAuth, JWT, etc.)
Design and manage databases (SQL Server, PostgreSQL, MongoDB)
Integrate third-party services and APIs

Test-Driven Development (TDD)
Write unit, integration, and end-to-end tests alongside development
Utilize testing frameworks such as Jest, Mocha, xUnit, NUnit, or MSTest
Maintain high code coverage and enforce quality standards
Participate in code reviews with a focus on testability and clean coding
General Responsibilities / Collaboration
Follow Agile/Scrum methodologies and actively participate in sprint ceremonies
Contribute to technical documentation and architectural decisions
Mentor junior developers and promote best practices
Work with DevOps teams to support CI/CD pipeline integration
Identify, troubleshoot, and resolve performance issues and bugs
Required Skills
Strong experience with:
React.js
Node.js
.NET (ASP.NET Core)
Hands-on experience with Test-Driven Development (TDD)
Solid understanding of API development, databases, and cloud-based architectures
Excellent problem-solving and collaboration skills

Preferred Qualifications
Experience with microservices architecture
Familiarity with GraphQL
Exposure to CI/CD pipelines and DevOps practices
Prior experience in healthcare or enterprise environments is a plus