Scalable Face-to-Video Share Page

I’m building a playful, colorful single-page experience that walks visitors through three lightning-quick steps: 1) upload a face photo or open their webcam, 2) pick one of our pre-made clips, 3) share the finished video... (Budget: $10 - $30 USD, Jobs: Animation, API Development, Cloud Computing, HTML5, JavaScript, jQuery / Prototype, Next.js, WebRTC)