Looking for senior Front-end Developer

Looking for very high-skilled front-end developer! JS and its frameworks are key stone! If you are not pro, please don't apply! • A strong grasp of Javascript, SASS, web standards, accessibility concerns, and ability in developing robust, well thought out, easily maintained and systematic code • Experience in working with the Angular 2 framework using Typescript • Familiar with UI frameworks, preferably Bootstrap • A Working knowledge of package managers and front-end build tools in a production environment (NPM, Bower, Gulp, Grunt, Webpack) • Expertise in AJAX technologies, reactive programming (RxJS), asynchronous requests, promises, deferred objects and observables • Comfortable with source version control software and package managers (Git, NPM) • 3+ years of experience working with creative teams across design and UX disciplines, implementing and advising on fundamental visual and interactive design discipline • Experience with CSS3 and Less/Sass (ability to write mixings, partials, use source maps, etc) • Experience working with RESTful services or HTTP request semantics • Understanding of all major browsers and the special considerations required for all various quirks • Knowledge of different browser quirks with Internet Explorer, Firefox, Chrome, Safari • Basic knowledge of Photoshop • Comfortable working on GNU/Linux or UNIX like environment