(Senior) Software Engineer Visual Frontend (f/m)

Our Company on behalf of its client based in Germany, seeks to cover the positions of: (Senior) Software Engineer Visual Frontend (f/m).

Responsibilities:
- Implement new UX-features, components and widgets for all device types and viewports
- Co-Own and maintain structure, styles and all assets of our comprehensive catalogue of web components
- Optimize existing, and apply new designs while ensuring consistent look and feel
- Help product owners to write great, really concise user stories that yield in fantastic look & feel
- Drive towards continuous deployment of UX components and swift implementation of design improvements 

Qualifications & Skills:
True mastery of HTML5/ CSS3 on desktop, tablet and phone devices
Proficient with CSS using preprocessors and tools like LESS, SASS or Stylus, Compass
Solid development experience using JavaScript, read "The Good Parts", lover or hater of ES6
Experience with multiple of: Bower, Grunt, Gulp, Webpack, React.js, Flux, Node.js, Karma, Mocha, Selenium, PhantomJS, Browserstack, Saucelabs, Mocha, Chai, jsdom, Supertest, Sinon, Istanbul, ...
Efficient user of tools like Axure, Balsamiq, Photoshop, Muse, Fireworks
Very good conversational skills in English are mandatory, German or Polish is a plus
A big plus: Experienced with test driven web development and continuous delivery & some experience with React.js + Flux

Personal Traits
Really good eye for sleek design, cleanliness and consistency
Understands users and works steadily to provide them with exemplary user experience
Able to comprehend and deal with large and complex web projects
Can focus on deliverables and small increments but also not afraid of huge changes
Non-religious about specific frameworks, languages or tools

The company offers an attractive remuneration package combined with challenging opportunities for growth.