iOS/Android/WP7/web hackers: join a 3-person post-series-A team (YC W12)

We just closed an over-subscribed series A round. We invite iOS/Android/WP7/web hackers to join a 3-person team in the current YC batch and help grow the user base from 21 million to 200 million. Based in Sunnyvale, we offer a fun working environment, competitive salaries and excellent opportunities to own significant equity in a hot startup backed by all-star investors. Required: * Expert in networking, multimedia and multitasking on iOS or Android or WP7, or expert in extreme-scale web development. * Strong understanding and passion for intuitive and elegant consumer-oriented UI * Passion for quickly producing beautiful code and finding simple elegant solutions to hard problems * "Can do" altitude, never settles, loves fast-paced startup environment Plus: * Experience in developing VoIP smartphone apps * Experience with echo cancellation * Experience with Facebook and Twitter mobile/web SDK Please contact nanzhong1@gmail.com if interested. Prior work samples would be appreciated.