Web UI/UX Design for Ruby-On-Rails application

We are an early stage (self-funded) start-up getting ready to launch the product in next 4-8 weeks. We are looking for a UI/UX designer to create a kick-ass user interface for our Content Management System product. ([login to view URL]) Saral is a Multi-Lingual Content Management System (CMS) for creating, managing and publishing website content in multiple languages. Saral will be offered a paid subscription service (SAS) in the cloud computing environment. (AWS) We have built a proof-of-concept prototype with Ruby-On-Rails. We need an expert UI/UX designer to create a sleek Web 2.0 user interface. (To view the screenshots of the working prototype goto [login to view URL]) Required Skills: ============== - Experience with Ruby-On-Rails framework. (mainly VIEWs ERB/RHTML or any other scripting languages is a PLUS) - Expert level knowledge of Javascript/CSS - Proficient in designing and implementing AJAX technologies - Experienced in creating user interface prototypes/wireframes on paper, PPT, Visio, Photoshop, Illustrator or on prototyping tools such as Axure / Balsamiq etc and LOGOs. - Convert visual designs into W3C standard complaint clean markup (HTML/CSS/JS/XHTML) with cross browser compatibility - Working knowledge of troubleshooting using Firebug/Web Developer tools - Ability to conceptualize/design complex workflows and navigation - Experience building Web2.0 style structured, logical, intuitive, simple and clean way of translating user stories into screen flows, mock-ups/prototypes. - Working knowledge of prototype and [login to view URL] javascript libraries - Must be an energetic "self-starter" with the ability to work independently and within a team with strong verbal, written and interpersonal skills - Experience building web UI with Ajax/Javascript frameworks such YUI, Dojo, JQuery or MooTools. - Good verbal and written communication skills and excellent attention to details