Frontend Developer (ReactJS & JavaScript)

United States Digital Space LLC; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

United States Digital Space LLC is seeking a Frontend Developer with strong ReactJS and JavaScript skills to design, develop, test, deploy, and maintain scalable, high-performance applications aligned with business goals.

You will build reusable components with React.js and Redux, work with PostgreSQL and Oracle databases to ensure data integrity, and collaborate with UI/UX designers, product managers, backend developers, and DevOps teams to deliver robust software.

Qualifications

• Strong proficiency in React.js, Redux, Hooks, Node.js.
• Ability to read and interpret MS Excel pricing formulas and translate logic into JavaScript.

Responsibilities

• Design, develop, enhance, and maintain responsive web applications using React.js and Node.js.
• Build reusable front-end components and implement features using React.js, Redux, and modern UI frameworks.
• Work with PostgreSQL and Oracle databases to support schema design, query optimization, and data integrity.
• Perform unit testing, integration testing, debugging, and troubleshooting to ensure stability and performance.
• Collaborate with UI/UX designers, product managers, backend developers, and DevOps teams.
• Apply security, coding, and performance best practices across front-end and back-end development.
• Use Git and CI/CD pipelines to support release and deployment processes.
• Monitor application performance, investigate issues, resolve defects, and provide technical support.

Skills

React.js

Redux

Hooks

Node.js

JavaScript

MS Excel pricing formulas

Tools

PostgreSQL

Oracle

Git

CI/CD

Job description

We are seeking a skilled Frontend Developer with strong expertise in ReactJS and JavaScript. The ideal candidate will be responsible for designing, developing, testing, deploying, and maintaining high-quality applications that are scalable, performant, and aligned with business requirements.

Responsibilities

• Design, develop, enhance, and maintain responsive web applications using React.js and NodeJS.
• Build reusable front-end components and implement features using React.js, Redux, and modern UI frameworks.
• Work with PostgreSQL and Oracle databases to support schema design, query optimization, and data integrity.
• Perform unit testing, integration testing, debugging, and troubleshooting to ensure application stability and performance.
• Collaborate closely with cross-functional teams, including UI/UX designers, product managers, backend developers, and DevOps teams.
• Apply security, coding, and performance best practices across front-end and back-end development activities.
• Use version control systems such as Git and CI/CD pipelines to support efficient release and deployment processes.
• Monitor application performance, investigate issues, resolve defects, and provide technical support when required.
• Understand and interpret pricing Excel formulas, business rules, and calculation logic, and translate them accurately into maintainable JavaScript code.

Requirements

• Front-End Development:
• Strong proficiency in React.js, Redux, Hooks, Node.js.
• Solid understanding of responsive design, cross-browser compatibility, accessibility, and web performance optimization.
• Ability to read and interpret MS Excel pricing formulas and convert the calculation logic into accurate, maintainable JavaScript implementation.

DevOps & Cloud (Preferred but not mandatory)

• Hands-on experience with Docker, GitLab CI/CD pipelines, and cloud platforms (AWS) is a plus.

Other Skills

• Experience with Java and Spring will be an added advantage.
• Familiarity with Agile delivery methodologies, including Scrum and Kanban.
• Experience with Git, JIRA, and project management tools.
• Strong analytical, problem-solving, and communication skills, with the ability to work effectively in a collaborative team environment.