React JS Developer

Experience: 4 - 7 years

Key Capabilities

• Strong proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3:
• Ability to build dynamic, responsive, and interactive user interfaces using React.js. Deep understanding of modern JavaScript features like ES6+, including arrow functions, promises, async/await, and modular programming. Skilled in writing semantic HTML and creating visually appealing layouts with CSS3, ensuring responsive design across devices.
• Experience with State Management (Redux, Context API):
• Expertise in managing complex application states using Redux or Context API. Ability to implement middleware for asynchronous actions (e.g., Redux Thunk or Saga) and ensure predictable state transitions for large-scale applications.
• Familiarity with Testing Frameworks (Jest, React Testing Library):
• Hands-on experience in writing unit and integration tests for React components using Jest and React Testing Library. Ability to ensure code quality and maintainability through automated testing practices.
• Familiarity with React Hooks and Functional Components:
• Proficiency in using React Hooks (useState, useEffect, useContext, useReducer) for managing component lifecycle and state in functional components. Ability to build reusable, modular components for scalable applications.
• Knowledge of Responsive Design Principles and Cross-Browser Compatibility:
• Ability to create layouts that adapt seamlessly to different screen sizes and devices. Skilled in handling browser inconsistencies and ensuring compatibility across major browsers.
• Experience with RESTful APIs and JSON:
• Ability to integrate front-end applications with backend services using RESTful APIs. Proficient in handling JSON data for dynamic rendering and state updates.
• Understanding of Modern Front-End Build Tools (Webpack, Babel):
• Experience in configuring and optimizing build tools like Webpack for bundling and Babel for transpiling modern JavaScript code. Knowledge of performance optimization techniques during build processes.

Desirable skills

• Experience with TypeScript:
• Ability to write strongly typed React applications for better maintainability and fewer runtime errors.
• Knowledge of UI Libraries (Material-UI, Ant Design):
• Familiarity with popular UI component libraries to accelerate development and maintain consistent design patterns.
• Exposure to Performance Optimization Techniques:
• Ability to optimize React applications using techniques like memorization, lazy loading, code splitting, and avoiding unnecessary re-renders.
• Understanding of SEO Best Practices for SPAs:
• Knowledge of improving search engine visibility for single-page applications using techniques like server-side rendering (SSR) or pre-rendering.
• Proficiency in Git and CI/CD Pipelines:
• Experience in version control using Git and automating deployments through CI/CD pipelines for faster and reliable releases.
• Experience in Visual Studio (VS):
• Familiarity with Visual Studio or Visual Studio Code for efficient development workflows, debugging, and integration with extensions for React and Java projects.

Optional Skills

• Experience with GraphQL for API Integration:
• Ability to fetch and manage data efficiently using GraphQL queries and mutations for flexible API interactions.
• Familiarity with Design Tools (Figma, Adobe XD):
• Understanding of design workflows and ability to collaborate with UI/UX teams using tools like Figma or Adobe XD.
• Basic Knowledge of Accessibility Standards (WCAG):
• Awareness of accessibility guidelines to ensure applications are usable by people with disabilities, including ARIA roles and keyboard navigation.