Fullstack Engineer | Browser Extensions | React & TypeScript | React Native | NodeJS | NestJS
Fullstack Engineer with 10+ years of experience building web applications, browser extensions, and backend systems. Deep expertise in React, TypeScript, and Node.js on the frontend and backend, with rare specialization in browser extension development across Manifest V3, Plasmo, and multi-browser (Chrome, Firefox, Edge, Safari) architectures. Proven track record shipping fullstack products β from designing APIs and backend services to building high-performance frontends used by 60,000+ users. Delivered 50% performance gains through optimized data processing pipelines and led cross-functional teams of 12 engineers.
Currently pursuing an MSc in Sustainable Digitalisation at KTH Royal Institute of Technology, Stockholm.
| Extension | Description | Users | Stack |
|---|---|---|---|
| Powtoon Capture | Screen & webcam recording extension | 50,000+ | React, Chrome APIs, JavaScript, TypeScript |
| SERP Sonar | Advanced Google SERP analysis tool for digital marketers | 1000+ | React, TypeScript, Manifest V3, Chrome APIs |
| GymVale | Cross-platform gym management mobile app | 60K+ members | React Native, Redux, REST APIs |
| Auto Intelligence | AI-Powered Chrome Extension for Vehicle Profitability Analysis | ~700 | React, Plasmo, TypeScript, Manifest V3, Chrome APIs |
| Dashboard App | Admin dashboard with charts, payments table, dark mode | Live Demo | Next.js, TypeScript, shadcn/ui, TailwindCSS |
| Demopedia | Demo agency portfolio site with dark/light mode | Live Demo | Next.js 13, TypeScript, TailwindCSS |
π‘ I also built multiple extensions for freelance clients across Chrome, Firefox, Edge, and Safari.
Frontend: React, Next.js, TypeScript, JavaScript (ES6+), Redux, HTML5, CSS3, TailwindCSS, shadcn/ui, Design Systems
Backend: Node.js, NestJS, Express, REST APIs, Firebase (Firestore, Auth, Cloud Functions), Database Design, PostgreSQL, MongoDB, MySQL
Browser Extensions: Manifest V3, Plasmo Framework, Chrome APIs, WebExtensions API, Cross-browser (Chrome, Firefox, Edge, Safari), Service Workers
Mobile: React Native, iOS (Swift, Objective-C)
Tools & Practices: Git, CI/CD Pipelines, Agile/Scrum, Jira, Remote Collaboration
- 50% faster SERP data processing via chunk-based parsing architecture (SERP Sonar)
- 20% memory reduction through optimized Manifest V3 background scripts
- Led a cross-functional team of 12 engineers at IPVision Canada
- Delivered production extensions used by 60,000+ users
- π Stockholm, Sweden
- π§ bishnu.p.chanda@gmail.com
- π LinkedIn
I'm currently open to frontend / browser extension / fullstack roles in Stockholm and across Europe.

