Harsh Profile

Harsh Kumar

Full-Stack Developer | Sponsored OSS Maintainer at Epicenter (YC S25)

About Me - README.md

👋 Hey There!

I'm a Full-Stack Developer with 2+ years of experience building scalable web applications using React, Next.js, and Node.js. Currently sponsored open source maintainer at Epicenter (YC S25), where I implement full-stack features, fix critical issues, and review community contributions for a growing global user base.

🔭 Currently Working On

  • Maintaining YC-backed productivity platform as sponsored GitHub maintainer
  • Building AI-powered landing page generator with 12-phase UX methodology
  • Implementing full-stack features and collaborating on product roadmap decisions
  • Developing secure authentication systems and optimizing WebRTC performance

⚡ What I Do

  • Built complete authentication systems with secure login/registration flows using Firebase
  • Enhanced WebRTC video call performance, improving connection stability by 30%
  • Developed conversational AI platform integrating OpenAI, D-ID, and ElevenLabs APIs
  • Created internal dashboard applications for operations, admin, and client teams
  • Reviewed 350+ web application submissions as Frontend Mentor technical mentor

🛠️ Tech Stack

JavaScriptTypeScriptPythonC++React.jsNext.jsNode.jsExpress.jsMongoDBFirebaseHTML5CSS3Tailwind CSSOpenAI APIClaude APIGemini APIWebRTCJWT/OAuthStripeRESTful APIsGitGitHubVS CodeChrome DevToolsWebpackVite