Sr. Frontend engineer.

Skills : Someone with a proven track record of developing rich web applications to millions of users. Architecture, Design, and delivery of critical seller and buying facing features, and the use of standard methodologies and UI development. Strong communication and collaboration skills. Involved in development, testing, release, triage, etc. of assigned projects. Must be comfortable with all layers of multi-tier applications to design complete solutions and maintain products. Requirements : Proficient in JavaScript. Proficient in web/frontend technologies such as Node.JS, HTML5, CSS3 with LESS or SASS, Ajax, streaming technologies. Proficiency with Security, accessibility, site speed optimization, Cross-browser.