React JS Consultant

INFINITE COMPUTER SOLUTIONS PTE LTD; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

INFINITE COMPUTER SOLUTIONS PTE LTD in Singapore is seeking a senior frontend engineer with deep expertise in ReactJS, ES6+, TypeScript and modern UI architecture to lead large-scale micro frontends and federation.

You will optimize performance, manage multiple MFEs per host, implement caching strategies, integrate REST APIs, and contribute to CI/CD pipelines using Jenkins/GitHub Actions/Azure DevOps. This role requires strong problem-solving and collaboration skills.

Qualifications

• Expert in ReactJS, JavaScript/TypeScript, HTML5 and CSS3 with modern frontend tooling.
• Strong experience with React MV* patterns, hooks, and state management.
• Hands-on expertise in Micro Frontend architecture and federation techniques.
• Proven ability to manage large MFEs suites and multi-host integrations.
• Deep knowledge of module sharing, caching, and performance tuning.

Skills

ReactJS

JavaScript (ES6+)

TypeScript

HTML5

CSS3

React Hooks

Redux

Context API

State management

Micro Frontend (MFE)

Webpack Module Federation

Managing 100+ MFEs

Monorepo management

Shared module configuration

Navigation between MFEs

React MFE versions

Performance optimization

Dynamic caching strategies

REST APIs integration

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 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 knowledge of Git and version control


• Experience with Jest, React Testing Library, or similar testing frameworks