Senior React JS Developer

HI5 ELITE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

HI5 ELITE PTE. LTD. in Singapore is seeking a senior frontend engineer to lead development of large-scale MFEs using ReactJS, ES6+, and TypeScript.

You will own modern UI architectures, drive performance optimizations, and ensure robust integration across multiple host apps. The role requires hands-on MFE experience, expertise with Webpack Module Federation, and strong CI/CD discipline with Jenkins, GitHub Actions, and Azure DevOps.

Qualifications

• Strong expertise in ReactJS, JavaScript (ES6+), TypeScript, HTML5, and CSS3.
• Extensive experience with React Hooks, Redux, Context API, and state management.
• Hands-on experience in Micro Frontend (MFE) architecture.
• Deep expertise in Webpack Module Federation.
• Managing 100+ Micro Frontends and monorepo management.
• Experience with CI/CD pipelines (Jenkins, GitHub Actions, Azure DevOps, GitLab CI/CD).
• Strong knowledge of Git and testing with Jest or React Testing Library.

Skills

ReactJS

JavaScript

TypeScript

HTML5

CSS3

React Hooks

Redux

Context API

MFE architecture

Performance optimization

REST APIs

Git

Jest

Testing Library

Tools

Webpack Module Federation

Nginx

IIS

Jenkins

GitHub Actions

Azure DevOps

GitLab CI/CD

Job description

Job Description & Requirements

• Strong expertise inReactJS, JavaScript (ES6+), TypeScript, HTML5, and CSS3
• Extensive experience withReact Hooks, Redux, Context API, and state management
• Hands-on experience inMicro Frontend (MFE) architecture
• Deep expertise inWebpack Module Federation,

Including:

1. Managing 100+ Micro Frontends
2. Monorepo management
3. Shared module configuration across MFEs
4. Navigation and data sharing between MFEs
5. Managing multiple React MFE versions within host applications

• Experience withReact performance optimizationanddynamic caching strategies
• Strong experience integratingREST APIsand third-party applications
• Performance tuning of web servers such asNginxandIIS
• Experience withCI/CD pipelines(Jenkins, GitHub Actions, Azure DevOps, GitLab CI/CD)
• Strong knowledge ofGitand version control
• Experience withJest, React Testing Library, or similar testing frameworks