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# Debojyoti Ghosh

Lead Frontend Engineer / Frontend Architect

contact { at } debojyotighosh { dot } comLinkedIn GitHub Durgapur, West Bengal, India

## Profile

Lead Frontend Engineer / Frontend Architect with 11+ years of experience. Building and scaling web products using React, TypeScript and Agentic AI tooling. From large consumer platforms to AI startups.

## Experience

### Zeplyn AI • Senior Software Engineer, Front-end L5

March 2025 – April 2026|Remote

  • Shipped 6+ client-winning features on short notice, used agentic AI to get them out in 1-2 days and contribute to successful deal signings.
    used: React Router 7 TypeScript Tailwind VS Copilot (Claude Sonnet; Gemini 2.5 Pro)
  • Migrated the stack from Remix to React Router 7, using agentic AI to cut the work from 1 week to 1 day.
    used: Augment Code

### REA India (Housing.com | PropTiger) • Lead Front-end Engineer

August 2016 – September 2024|Gurugram, Haryana

  • Designed the architecture (HLD & LLD) of Housing Premium experience to monetize the users of Housing, and led a team of 4 developers. The work generated 13 Cr in revenue over the past year.
    used: React 19 Linaria (CSS-in-JS) AWS
  • Reduced CLS (cumulative layout shift) on all major pages (search, dedicated, home) from more than 1 to less than 0.1 and improved other Core Web Vital metrics. This performance boost resulted in Lighthouse scores of up to 88.
  • Led a team of 2 developers to build a custom checkout flow by collaborating with RazorPay. It boosted conversion by 10%. Thanks to the "add-ons" on top of that, our revenue grew by 15%.
  • Revamped the search & dedicated pages using micro frontend architecture. It reduced future development timelines by 25%.
    used: ReactJS Redux Webpack Babel GraphQL
  • Implemented the bi-annual Events page by myself for 2 years, collaborating with product, design & back-end teams. It increased our revenue by 120% & 150% respectively.
    used: CSS animations SCSS
  • Conducted internal training on Prompt engineering and Generative AI tools (ChatGPT, Cursor IDE, Github Copilot in VS Code), reducing task timelines by 20% and boosting test case writing speed with Jest by 50%.

### 3dPhy (acquired by PropTiger) • Software Engineer

September 2015 – July 2016|Gurugram, Haryana

  • Developed the primary product OpenSpace and made it mobile first and cross-browser compatible, thereby increasing the revenue by 200% in 6 months.
    used: Three JS jQuery AWS
  • Created an in-house admin panel for our support team. It reduced the time spent on managing property inventory by 50%.
    used: Angular TypeScript Git Responsive web

### Tata Consultancy Services • Assistant Systems Engineer

December 2014 – September 2015|Kolkata, West Bengal

  • Built a hybrid app for in-house testing tools that improved productivity by 30%.
    used: Electron HTML5 CSS3 REST APIs
  • Problems
  • Output
  • Terminal
  • Ports
  • Debug Console
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