React JS developer (Monorepo, Nginx, IIS, Azure Devops, Jest, Typescript, Javascript, HTML, CSS3, Redux, MFE)

EXASOFT CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

EXASOFT CONSULTING PTE. LTD. is seeking a senior frontend engineer with 6+ years of experience in ReactJS, JavaScript (ES6+), TypeScript, HTML5, and CSS3.

The role emphasizes deep expertise in React hooks, Redux, and advanced MFE architecture using Module Federation. Strong CI/CD and testing experience are required to ensure scalable, optimized interfaces. Candidate will work with REST integrations, performance tuning, and multi-MFE version management across hosts.

Qualifications

• 6+ years of experience in ReactJS, JavaScript (ES6+), TypeScript, HTML5, and CSS3.

Skills

ReactJS

JavaScript ES6+

TypeScript

HTML5

CSS3

React Hooks

Redux

Context API

Micro Frontend

Webpack Module Federation

Monorepo management

REST APIs integration

CI/CD

Jest/Testing Library

Tools

Nginx

IIS

Jenkins

GitHub Actions

Azure DevOps

GitLab CI/CD

Job description

Requirements:

• 6+ years of experience 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+ Micro Frontends
• Monorepo management
• Shared module configuration across MFEs
• Navigation and 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, Azure DevOps, GitLab CI/CD)
• Strong Experience in Git and version control
• Experience with Jest, React Testing Library, or similar testing frameworks