React/NodeJS Developer

React/NodeJS Developer

Posted Today by Twine

Negotiable
Undetermined
Remote
United Kingdom

Summary: A U.S.-based software company is looking for a senior developer with expertise in React, NodeJS, and Chrome extension development for a focused project. This remote freelance role involves building a browser extension integrated with web applications, ensuring functionality and user experience, with a delivery timeframe of one week. The position may lead to ongoing work based on performance and project needs.

Key Responsibilities:

  • Develop and deploy a Chrome extension integrated with React and NodeJS back-end services.
  • Implement secure communication between the extension and web applications.
  • Ensure compatibility with modern versions of Chrome and Chromium-based browsers.
  • Optimize extension performance, responsiveness, and error handling.
  • Provide clean, maintainable, and well-documented code.
  • Deliver within one week, with revisions based on feedback as required.

Key Skills:

  • Strong experience with React and NodeJS in production environments.
  • Demonstrated expertise in Chrome extension development (Manifest V3 familiarity preferred).
  • Proficiency in JavaScript and TypeScript for scalable, type-safe development.
  • Knowledge of RESTful APIs, authentication flows, and secure data handling.
  • Familiarity with extension storage, messaging, and permissions models.
  • Ability to troubleshoot and resolve cross-browser compatibility issues.
  • Strong communication skills for remote collaboration.
  • Senior-level experience with the ability to work independently under tight timelines.

Salary (Rate): undetermined

City: undetermined

Country: United Kingdom

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

A U.S.-based software company is seeking a developer with proven expertise in React, NodeJS, and Chrome extension development for a focused project. The role involves building and refining a browser extension integrated with web applications, ensuring smooth functionality, scalability, and a clean user experience. This is a remote freelance position for a single project, with the potential for ongoing work. The expected delivery timeframe is one week.

Deliverables

  • Develop and deploy a Chrome extension integrated with React and NodeJS back-end services.
  • Implement secure communication between the extension and web applications.
  • Ensure compatibility with modern versions of Chrome and Chromium-based browsers.
  • Optimize extension performance, responsiveness, and error handling.
  • Provide clean, maintainable, and well-documented code.
  • Deliver within one week, with revisions based on feedback as required.

Requirements

  • Strong experience with React and NodeJS in production environments.
  • Demonstrated expertise in Chrome extension development (Manifest V3 familiarity preferred).
  • Proficiency in JavaScript and TypeScript for scalable, type-safe development.
  • Knowledge of RESTful APIs, authentication flows, and secure data handling.
  • Familiarity with extension storage, messaging, and permissions models.
  • Ability to troubleshoot and resolve cross-browser compatibility issues.
  • Strong communication skills for remote collaboration.
  • Senior-level experience with the ability to work independently under tight timelines.

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.