Job Description
We are seeking a highly skilled Browser Extension Developer with expertise in Core JavaScript , contemporary frameworks. The ideal candidate should have strong Object-Oriented Programming (OOP) skills , adhere to SOLID principles , and have a deep understanding of browser extension development across multiple platforms (Chrome, Firefox, Edge).
n

nThe role involves designing and developing scalable browser extensions, implementing authentication mechanisms (JWT, OAuth, SSO), and ensuring secure, high-performance applications. You will work closely with backend services built using Flask, Django , or similar frameworks, requiring an in-depth knowledge of HTTP(s) protocols, authentication workflows, and security best practices .
n

nKey Responsibilities:
n
- n
- Develop, enhance, and maintain cross-browser extensions with a scalable architecture.n
- Design modular, testable, and maintainable code following SOLID and OOP best practices.n
- Implement authentication mechanisms such as JWT, OAuth, SSO , and manage session security.n




- Ensure deep integration with browser APIs (Storage, Messaging, Web Navigation, WebRequest, WebAuthn ).n
- Optimize extension performance for modern web environments (Single Page Applications, multi-frame handling).n
- Work with backend systems (Flask/Django) to build APIs, handle data securely, and ensure smooth communication between frontend and backend.n
- Develop and implement security measures against XSS, CSRF, CORS, and other web vulnerabilities.n
- Debug and troubleshoot issues across different browsers and platforms.n
- Collaborate with cross-functional teams to design and implement new features.n
- Stay updated with the latest browser and web technologies, ensuring compliance with extension store policies.n

nRequired Skills & Qualifications:
n
- n
- Strong expertise in JavaScript, TypeScript , and modern JS frameworks (React, Vue, or similar).n
- Expert-level knowledge of browser extension development

📌 Browser Extension Developer (Sahibzada Ajit Singh Nagar)
🏢 CareerXperts Consulting
📍 Sahibzada Ajit Singh Nagar