Building an AI Video Platform That Secured €2.5M in Funding.
Also Partnered With:
The Challenge
BlinkIn needed to go from concept to a fundable product in record time. The vision was an AI-powered video call platform with real-time annotation, integrated chat, and file sharing — features that typically take months to build and stabilize.
The technical challenge was immense: video streaming with sub-100ms latency, real-time collaborative annotation overlays, and a chat system that seamlessly integrates with the call experience — all while maintaining a polished, investor-ready UI.
The Founder-Led Solution
Applying my ‘Zero-Delegation’ engineering philosophy, I led the entire frontend architecture, building a production-ready platform that impressed both users and investors.
- Architected a modular UI with real-time video streaming, annotation canvas, and synchronized chat — all running without frame drops.
- Implemented WebRTC-based video with intelligent quality adaptation and fallback mechanisms for unreliable networks.
- Built the collaborative file sharing system with drag-and-drop upload, in-call preview, and version tracking.
Concrete Business Impact
The platform's technical quality and polish directly contributed to BlinkIn's successful funding round.
Secured in seed funding, with investors citing product quality as a key differentiator.
Beta users onboarded within the first quarter after public launch.
Average call latency achieved through optimized WebRTC implementation.
“Manish didn't just build our frontend — he architected a product that investors wanted to fund. His technical execution and product sensibility gave us the credibility to close our seed round.”
Josef Pur
BlinkIn
How We Built It
Product Strategy & Architecture
Defined the technical architecture for real-time video, annotation, and chat — prioritizing features that would demonstrate product viability to investors.
Core Platform Build
Built the video call engine with WebRTC, real-time annotation canvas using Canvas API, and integrated chat with WebSocket messaging.
Polish & Investor-Ready Launch
Refined the UI to investor-demo quality, optimized performance metrics, and deployed a stable platform ready for pitch meetings.
Technology Stack
React
WebSockets
Node.js
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