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

Remote Full-time
Senior React.js UI Developer (Web API Development using .NET Core)

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.

Required Skills & Responsibilities
• 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

Web API Development using .NET Core
• 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

Soft Skills
• Strong problem-solving and analytical skills
• Ability to work independently and take ownership of tasks
• Team-oriented mindset with mentoring capabilities
• Good understanding and experience working in Agile / Scrum environments
• Reload from JCDD

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