React Developer Opcenter

Key Responsibilities

• We are looking for an experienced React Developer to design, develop, test, and maintain modern web applications. The candidate should have strong hands-on experience in React, JavaScript/TypeScript, API integration, reusable UI development, testing, and troubleshooting. Working experience in Siemens Opcenter/MES or any MES is preferable Skills Required – React.js JavaScript ES6+ TypeScript HTML5 and CSS3 React Hooks Redux / Redux Toolkit / Context API React Router REST API integration JSON Axios / Fetch API Github npm / yarn Jest / React Testing Library Responsive Web Design Browser debugging and troubleshooting Working knowledge of Azure DevOps Additional Requirements – Design and develop responsive web applications using React.js. Develop reusable, scalable, and maintainable React components. Implement application functionality using JavaScript/TypeScript, HTML5, and CSS3. Work with React Hooks including useState, useEffect, useContext, and custom hooks. Implement navigation and routing using React Router. Manage application state using Redux/Redux Toolkit or Context API. Integrate front-end applications with REST APIs and JSON-based services. Develop forms, validations, tables, dashboards, and role-based user interfaces. Implement authentication and authorization mechanisms such as OAuth 2.0, JWT, and Microsoft Entra ID, where applicable. Perform unit and component testing using Jest and React Testing Library. Troubleshoot UI, browser, performance, integration, and API-related issues. Participate in code reviews and follow development and secure-coding standards. Work with Git, GitHub or Azure DevOps for source-code management. Support CI/CD-based build and deployment activities. Collaborate with backend developers, architects, testers, DevOps teams, and business stakeholders.