ReactJS Developer

HI5 ELITE PTE. LTD.; Hong Kong; On-site; HKD 420,000 - 600,000; Full time

Job summary

HI5 ELITE PTE. LTD. is seeking a highly skilled Frontend Engineer in Hong Kong to lead development of large-scale Micro Frontend architectures. You will drive integration across MFEs, optimize performance, and implement robust caching and API integrations.

The role requires deep expertise in React, TypeScript, and modern tooling, with hands-on experience in Webpack Module Federation, monorepos, and CI/CD pipelines. Hong Kong-based on-site collaboration is expected.

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.

Skills

ReactJS

JavaScript (ES6+)

TypeScript

HTML5

CSS3

React Hooks

Redux

Context API

state management

performance optimization

REST APIs

Testing (Jest/RTL)

Tools

Webpack Module Federation

Monorepo management

Git

CI/CD (Jenkins, GitHub Actions, AzureDevOps, GitLab CI/CD)

Nginx

IIS

Job description

Job Requirements :

• Strong expertise inReactJS, JavaScript (ES6+),TypeScript, HTML5, and CSS3
• Extensive experience withReact Hooks, Redux, Context API, and statemanagement
• Hands-on experience inMicro Frontend (MFE) architecture
• Deep expertise inWebpack Module Federation, including:
• Managing 100+ Micro Frontends
• Monorepo management
• Shared module configuration across MFEs
• Navigation and data sharing between MFEs
• Managing multiple React MFE versions within host applications
• Experience withReact performanceoptimizationanddynamic caching strategies
• Strong experience integratingREST APIsand third-party applications
• Performance tuning of web servers such asNginxandIIS
• Experience withCI/CD pipelines(Jenkins, GitHub Actions, AzureDevOps, GitLab CI/CD)
• Strong knowledge ofGitand version control
• Experience withJest, React Testing Library, or similar testing framework.