Chrome Extension Developer

Job Description: Chrome Extension Developer

Location: Kolkata (On-site)
Experience: 3+ Years
Employment Type: Full-Time
Joining: Immediate Joiner Preferred

Job Summary

We are looking for a skilled Chrome Extension Developer with 3+ years of hands-on experience in building, deploying, and maintaining browser extensions. The ideal candidate will have strong JavaScript fundamentals, experience with Chrome Extension APIs, and the ability to create high-performance, secure, and user-friendly extensions. You will collaborate closely with product managers, designers, and backend teams to deliver browser-based solutions that enhance user productivity and business workflows.

Key Responsibilities

• Design, develop, and maintain Chrome browser extensions using JavaScript, HTML, and CSS.
• Work with Chrome Extension APIs including content scripts, background scripts, messaging, and storage.
• Implement features such as DOM manipulation, browser events, tab management, and permissions handling.
• Integrate Chrome extensions with REST APIs and backend services.
• Ensure extension security, performance optimization, and compliance with Chrome Web Store policies.
• Debug, test, and resolve cross-browser compatibility issues.
• Manage versioning, updates, and deployment to the Chrome Web Store.
• Collaborate with UI/UX designers to build intuitive extension interfaces.
• Write clean, maintainable, and well-documented code.
• Participate in code reviews and follow best development practices.
• Work closely with QA teams to ensure high-quality releases.

Required Skills & Qualifications

• 3+ years of experience in Chrome Extension development.
• Strong proficiency in JavaScript (ES6+), HTML5, and CSS3.
• Hands-on experience with Chrome Extension Manifest V3.
• Good understanding of content scripts, background/service workers, messaging APIs.
• Experience with DOM manipulation and browser event handling.
• Familiarity with REST APIs and asynchronous programming.
• Experience with Git or other version control systems.
• Strong debugging and problem-solving skills.

Good to Have

• Experience with React.js or Angular inside browser extensions.
• Knowledge of Node.js for backend integration.
• Experience with authentication mechanisms (OAuth, JWT).
• Exposure to performance optimization and browser security concepts.
• Prior experience publishing extensions on the Chrome Web Store.

Job Types: Full-time, Permanent

Benefits:

• Paid sick time
• Paid time off
• Provident Fund

Application Question(s):

• Are you an Immediate joiner ?

Experience:

• Chrome Extension: 2 years (Required)
• Browser Extensions: 2 years (Required)

Work Location: In person