Intern - Frontend Developer

7 days ago

Kuala Lumpur, Kuala Lumpur, Malaysia Infinity Data Tech Sdn. Bhd. Full time

Job Overview

We are looking for passionate Intern Frontend Developer with a strong command of the React ecosystem and modern  frontend technologies. The ideal candidate will be responsible for building scalable, performant, and maintainable  user interfaces that power our web applications. You will work closely with cross-functional teams to bring product  features to life, optimize performance, and ensure code quality through thorough testing practices.

Key Responsibilities

  • Develop and maintain complex, responsive frontend applications using React 18+ and TypeScript.
  • Utilize advanced React Hooks and Redux Toolkit for efficient state management.
  • Implement intuitive client-side routing with React Router v6.
  • Apply modern styling techniques using Tailwind CSS or Styled-components.
  • Optimize frontend performance and ensure a seamless user experience across devices.
  • Integrate APIs securely using Axios with JWT authentication.
  • Collaborate with designers and backend developers to ensure technical feasibility and high-quality outcomes.
  • Maintain and configure build tools such as Webpack, Vite, and Babel for efficient development and deployment.
  • Develop and maintain component libraries using Storybook.
  • Ensure frontend codebase is robust and testable with tools like Jest, React Testing Library, Cypress, and MSW.
  • Continuously monitor and improve code quality through test coverage and performance analysis.

Requirements

  • React Ecosystem

  • React 18+ with advanced knowledge of Hooks (useEffect, useMemo, useCallback, useContext)

  • Redux Toolkit for efficient state management
  • React Router v6 for modern client-side routing
  • Tailwind CSS and/or Styled-components for UI styling
  • React performance tuning and optimization techniques

  • Frontend Core Technologies

  • TypeScript proficiency (strict mode)

  • Strong grasp of ES6+ JavaScript features (async/await, destructuring, modules)
  • Expertise in CSS Grid and Flexbox for responsive design
  • Hands-on experience with Webpack 5, Babel, and Vite

  • Axios for secure API integration with JWT authentication

  • Testing & Quality

  • Unit and integration testing using Jest

  • Component testing with React Testing Library
  • End to end testing with Cypress
  • API mocking using Mock Service Worker (MSW)
  • Familiarity with Storybook for visual testing and documentation
  • Test coverage analysis and reporting

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