I am currently a solo entrepreneur who is on a mission to develop best SIEM (http://en.wikipedia.org/wiki/Security_information_and_event_management)
While I am good with back-end engineering, I don't have skill-set to develop a kick-ass web interface for this product. I am seeing a co-founder/Chief UX designer/what-ever-awesome-title-you-wanna-have who can develop web interface.
This product is based upon Big Data concepts, where milli-seconds matter. You will be developing a web interface which updates automatically (AJAX calls) , is extremely fast and easy to use.
You have developed some pretty cool web applications
You aren't religious about jQuery vs YUI. You use the best tool for the job
You know a thing or two about MongoDB
You know what big data means to web interfaces