UX/UI Designer with HTML+CSS+JS for Pixel Perfect site

I am looking for the crazy ones that want to change the world with his/her talents with pixel perfect UX/UI design. Colors and images crisp and clean. I want to improve our existing B2B site www.buyerseller.asia. I'm currently looking for a highly professional XHTML 5 / CSS / JS coder to assist with the best practices for interface strategies, online user experience, user interface design and site usability. Responsibilities: * Illustrate design ideas using storyboards, process flows, wireframes, prototypes, and sitemaps. * Design graphic user interface elements, like menus, tabs, widgets, layout, typography, navigation buttons and search fields, etc. * Develop UI mockups and prototypes that clearly illustrate functionality and aesthetics. * Identify and troubleshoot UX problems (e.g. responsiveness). * Follow designs through their entire lifecycle: from wire-framing, prototyping, testing, full fidelity conception, and quality assurance, always ensuring designs are built to spec and pass user testing. * Ability to develop and adhere to style standards on fonts, colors and images. * Ability to rapidly execute compelling visual designs and high-fidelity mockups, with strong attention to pixel-level detail and usage of our library of design patterns consistent with the brand. *Hands-on experience creating wireframes, prototypes, storyboards, user flows, etc. * Proven work experience as a UI/UX Designer or similar role. * Understanding of programming languages such as HTML, CSS and JavaScript * Graphic design experience. * Experience working in an agile/Jira development process.