Senior React.js UI Developer (Web API Development using .NET Core)

🌍 Remote, USA 💹 Full-time 🕐 Posted Recently

Job Description

We are seeking a highly skilled Senior React.js UI Developer with strong experience in Web API development and integration using .NET Core. The ideal candidate will have 6 10 years of hands-on experience building modern, scalable web applications. This role requires deep expertise in React.js UI development, .NET Core Web APIs, and DevOps practices, including CI/CD pipeline management and deployments across Dev, QA, and UAT environments.
The candidate should also be comfortable with direct client communication, requirement discussions, and technical coordination with cross-functional teams.

React.js UI Development
Design and develop responsive, scalable, and high-performance user interfaces using React.js (version 17 and above)
Strong proficiency in JavaScript (ES6+) and/or TypeScript
Build reusable and maintainable components using functional components, React Hooks, modern React patterns, Context API, and state management tools such as Redux or Redux Toolkit
Solid understanding of HTML5, CSS3, and responsive design principles
Experience working with UI frameworks like Material UI, Ant Design, or Bootstrap
Collaborate closely with UX/UI designers to deliver pixel-perfect user interfaces
Ensure optimal UI performance and cross-browser compatibility

Design, develop, and maintain RESTful Web APIs using .NET Core
Strong understanding of REST principles and API design best practices
Experience with authentication and authorization mechanisms such as JWT and OAuth
Familiarity with Entity Framework Core and database integration (SQL Server)
Develop secure, scalable, and high-performance backend services
Handle seamless Rest API integration with front-end applications
Implement proper error handling, logging, and API documentation using Swagger/postman
DevOps, CI/CD & QA Deployment
Perform regular code check-ins and ensure code quality standards
Work with CI/CD pipelines using tools like Azure DevOps, Jenkins, GitHub Actions, or GitLab CI
Strong experience with Git and branching strategies
Collaborate with DevOps teams to improve release automation and deployment reliability
Basic understanding of containerization (Docker) and cloud platforms such as Azure or AWS (preferred)
Troubleshoot build, deployment, and environment-related issues
Client Communication & Collaboration
Join in client discussions, requirement gathering, and technical clarifications
Provide regular status updates, demos, and technical explanations to clients
Work closely with onsite and offshore teams and key stakeholders
Ensure client expectations are met through timely delivery and high-quality output