Frontend Developer ReactJS

SAGL CONSULTING PTE. LTD.; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A tech consultancy firm in Singapore is seeking a skilled Frontend Developer to build scalable, high-performance web applications. The ideal candidate will have strong expertise in React and JavaScript fundamentals, along with hands-on experience in Redux and state management. Responsibilities include developing responsive web applications, building reusable UI components, and working closely with diverse teams to ensure high-quality features delivery. This opportunity is ideal for individuals with a solid understanding of modern frontend architecture and performance optimization.

Qualifications

• Strong experience with React, including hooks and functional components.
• Solid understanding of JavaScript fundamentals like event loop and promises.
• Hands-on experience with Redux and Context API.

Responsibilities

• Develop and maintain modern web applications using React.
• Build reusable, scalable UI components.
• Integrate APIs and manage data fetching.

Skills

React

JavaScript fundamentals

Redux

React Context API

RTK Query

React Query

Component-based architecture

UI design systems

Job description

Job Summary

We are looking for a skilled Frontend Developer with strong expertise in React and JAVA to build scalable, high-performance web applications. The ideal candidate has solid JavaScript fundamentals, hands-on experience with modern React state management, and a strong understanding of design systems and frontend architecture.

Key Responsibilities

• Develop and maintain modern, responsive web applications using React
• Build reusable, scalable UI components using design systems (MUI or in-house systems)
• Implement efficient state management using Redux or React Context API
• Integrate APIs and manage data fetching using RTK Query or React Query
• Write clean, maintainable, and well-tested JavaScript code
• Collaborate closely with backend, UX, and product teams to deliver high-quality features
• Ensure application performance, scalability, and cross-browser compatibility

Required Skills & Experience

• Strong experience with React (hooks, functional components, best practices)
• Solid understanding of JavaScript fundamentals, including:
  • Event loop
  • Promises
  • Closures
  • Async/Await
• Hands-on experience with Redux and/or Context API
• Experience with RTK Query or React Query
• Strong knowledge of component-based architecture and UI design systems
• Good understanding of frontend performance optimization and debugging

Nice to Have (Optional)

• Experience working with monorepo setups (e.g., Nx)
• Understanding of micro-frontend architecture
• Basic knowledge of Module Federation
• Exposure to Web Components or iFrames