Arqspin lets you create interactive, rotating photos—spins—with just your phone. You can post spins on the Internet and embed them in any web site. Users can swipe to change the speed of rotation or pinch to zoom in and out.

I designed the client-server protocol, implemented the server, and wrote an iOS client library for use in the app. I also created the AWS-based server topology, producing a comprehensive set of Puppet manifests. Finally, I implemented both the back-end and front-end of the web site including modules for authentication and recurring payments.