Senior ReactJS Developer

QUANTUM INFOTECH SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

QUANTUM INFOTECH SOLUTIONS PTE. LTD. is seeking a senior front-end engineer to drive Micro Frontend architecture using ReactJS, TypeScript, and Webpack Module Federation. You will optimize performance, integrate REST APIs, and collaborate across teams to deliver scalable MFEs.

Applicants should have hands-on experience with CI/CD pipelines (Jenkins, GitHub Actions, Azure DevOps, GitLab), strong Git skills, and a track record of managing large frontend ecosystems across multi-frontend hosts.

Qualifications

• Strong expertise in modern front-end technologies and MFEs.
• Experience with module federation and micro frontends.
• Hands-on with performance tuning and caching strategies.
• Proficient in CI/CD and version control.
• Experience integrating REST APIs and testing frameworks.

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 MFΕ

Navigation and data sharing between MF

Managing multiple React MFE versions

Performance optimization

Dynamic caching strategies

REST APIs integration

Third-party integrations

Nginx

IIS

CI/CD pipelines

Jenkins

GitHub Actions

Azure DevOps

GitLab CI/CD

Git

Jest

React Testing Library

Job description

Key Technical 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