Senior ReactJS developer(React Hooks, Redux, MFE, Jest)

NEPTUNEZ SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

NEPTUNEZ SINGAPORE PTE. LTD. is seeking an experienced frontend engineer with deep expertise in ReactJS, TypeScript, and modern frontend architectures. The role emphasizes building scalable Micro Frontends, integrating multiple MFEs, and optimizing performance across complex apps.

You will work with state-of-the-art tooling, including Webpack Module Federation, and contribute to CI/CD pipelines and robust testing strategies to ensure high-quality deliverables.

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 and managing 100+ MFEs.

Skills

ReactJS

JavaScript (ES6+)

TypeScript

HTML5

CSS3

React Hooks

Redux

Context API

Micro Frontend (MFE)

Webpack Module Federation

Monorepo management

REST APIs

CI/CD

Jenkins

GitHub Actions

Azure DevOps

GitLab CI/CD

Testing (Jest/RTL)

Job description

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