ReactJS Developer

USER EXPERIENCE RESEARCHERS PTE. LTD; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

USER EXPERIENCE RESEARCHERS PTE. LTD seeks a senior frontend engineer to build and maintain dynamic web applications using React.js. You will define front-end architecture, collaborate with designers on usable UI, and integrate APIs for performant experiences.

Ideal candidates have strong HTML5/CSS3, Redux/Context API, and testing experience (Jest/Mocha). Knowledge of Next.js, TypeScript, and cloud basics is a plus; you will work in an Agile setting to deliver scalable software.

Qualifications

• Develop and maintain dynamic and responsive web applications using React.js.
• Define and implement front-end architecture for web applications.
• Collaborate with designers to implement usable UI with performance focus.
• Integrate third-party APIs and services.
• Optimize applications for maximum speed and scalability.
• Ensure cross-browser compatibility and responsive design across devices.
• Write unit and integration tests to ensure code quality and prevent regressions.
• Troubleshoot and debug application issues, optimizing code where necessary.
• Stay up to date with the latest industry trends and technologies to enhance the user experience and functionality of the applications.

Responsibilities

• Develop and maintain dynamic and responsive web applications using React.js and related technologies.
• Work with the team to define and implement front-end architecture for web applications.
• Collaborate with designers to implement user interface designs with a focus on usability and performance.
• Integrate third-party APIs and services.
• Optimize applications for maximum speed and scalability.
• Ensure cross-browser compatibility and responsive design across devices.
• Write unit and integration tests to ensure code quality and prevent regressions.
• Troubleshoot and debug application issues, optimizing code where necessary.
• Stay up to date with the latest industry trends and technologies to enhance the user experience and functionality of the applications.

Skills

Java

React.js

HTML5/CSS3

RESTful APIs

Redux/Context API

Responsive design

Jest/Mocha/Enzyme

Agile/Scrum

TypeScript

Next.js

Node.js (basic)

AWS

Education

Bachelor's degree in Computer Science / Information Technology or equivalent

Tools

Webpack

Babel

npm

yarn

Jest

Job description

Responsibilities:

• Develop and maintain dynamic and responsive web applications using React.js and related technologies.
• Work with the team to define and implement front-end architecture for web applications.
• Collaborate with designers to implement user interface designs with a focus on usability and performance.
• Integrate third-party APIs and services.
• Optimize applications for maximum speed and scalability.
• Ensure cross-browser compatibility and responsive design across devices.
• Write unit and integration tests to ensure code quality and prevent regressions.
• Troubleshoot and debug application issues, optimizing code where necessary.
• Stay up to date with the latest industry trends and technologies to enhance the user experience and functionality of the applications.

Skills & Qualifications:

• Strong proficiency in Java , especially with React.js and its ecosystem (Redux, React Router, Hooks, etc.).
• Solid understanding of HTML5, CSS3, and modern front-end frameworks (e.g., Bootstrap, Material-UI).
• Experience with RESTful APIs and asynchronous request handling.
• Familiarity with state management libraries (Redux, Context API, etc.).
• Understanding of responsive design principles and cross-browser compatibility.
• Familiarity with front-end build tools like Webpack, Babel, and npm/yarn.
• Experience with testing frameworks (Jest, Mocha, Enzyme, or similar).
• Ability to work in an Agile development environment and participate in Scrum ceremonies.

Preferred Qualifications:

• Experience with Type in a React.js environment.
• Familiarity with server-side rendering (SSR) using Next.js or similar frameworks.
• Knowledge of cloud services (AWS, Azure, etc.) and serverless architectures.
• Experience with CI/CD pipelines and automated deployment processes.
• Basic knowledge of back-end technologies (Node.js, Express, etc.) is a plus.
• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Proven experience in building and deploying React.js applications in a professional environment.
• With at least 7 years of experience in solutioning and handling big projects