Senior ReactJS Developer

HI5 ELITE PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

HI5 ELITE PTE. LTD. seeks a senior front-end engineer specializing in ReactJS and Micro Frontend architectures. You will drive MFE integration, manage a large set of MFEs via Webpack Module Federation, and collaborate on performance optimizations and caching strategies.

Experience with REST APIs, CI/CD pipelines, and modern testing tooling is required. The role emphasizes solving complex module sharing and version management across multiple MFEs in a distributed host application.

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, including managing 100+ MFEs and monorepo management.
• Shared module configuration across MFEs and navigation/data sharing between MFEs.
• Managing multiple React MFE versions within host applications.
• Experience with React performance optimization and dynamic caching strategies.
• Strong experience integrating REST APIs and third-party applications.
• Performance tuning of web servers such as Nginx and IIS.
• Experience with CI/CD pipelines (Jenkins, GitHub Actions, AzureDevOps, GitLab CI/CD).
• Strong knowledge of Git and version control.
• Experience with Jest, React Testing Library, or similar testing framework.

Skills

ReactJS

JavaScript (ES6+)

TypeScript

HTML5

CSS3

React Hooks

Redux

Context API

state management

Micro Frontend (MFE)

Weback Module Federation

Monorepo management

Shared module configuration across MFÉ

Navigation and data sharing between MF

Tools

Jenkins

GitHub Actions

Azure DevOps

GitLab CI/CD

Git

Jest

React Testing Library

Nginx

IIS

Webpack

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.