Senior ReactJS Developer

HI5 CONSULTING SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

HI5 CONSULTING SOLUTIONS PTE. LTD. seeks a senior frontend engineer specializing in ReactJS, ES6+, TypeScript, and MFEs. You will drive architecture across multiple MFEs, manage shared modules, and optimize performance while coordinating with backend teams and CI/CD workflows.

Strong experience with Webpack Module Federation, REST APIs, and modern testing frameworks is essential. Singapore-based role with reliable cross-functional collaboration.

Qualifications

• Proficient in ReactJS with ES6+ and TypeScript.
• Hands-on with Micro Frontends and module federation.
• Experience in building scalable frontend architectures and CI/CD.

Skills

ReactJS

JavaScript (ES6+)

TypeScript

HTML5

CSS3

React Hooks

Redux

Context API

State management

Micro Frontend (MFE) architecture

Webpack Module Federation

Monorepo management

Shared module configuration across MFЕ

Navigation between MFEs

Managing multiple React MFE versions

Performance optimization

Dynamic caching strategies

REST APIs

Third-party integrations

Nginx

IIS

CI/CD pipelines

Git

Jest

React Testing Library

Tools

Git

Jenkins

GitHub Actions

Azure DevOps

GitLab CI/CD

Nginx

IIS

Jest

React Testing Library

Webpack

Job description

Job 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:

• 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 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