For our customer, global fastest growing digital marketplace which specializes in gaming and other digital products,  
to the newly opened office in Krakow, we are looking for: 
 
 
Lead/Senior JavaScript Developer 
Location: Krakow 
 
 
Responsibilities: 
 
  • creation of large front end internet applications in collaboration with an interdisciplinary team, made up of programmers, UI/UX designers and testers 
  • partnership in concept solution compilation 
  • code creation and optimization with the use of the most modern technologies 
 
We expect: 
 
  • very good knowledge of HTML5 & CSS3 (LESS/SASS), Responsive Web Design (RWD) 
  • very good knowledge of ReactJS or AngularJS or Angular2 or Vue.js 
  • very good knowledge of EcmaScript6 JSX/Typescript 
  • very good knowledge of JavaScript – jQuery, OOP 
  • good knowledge and practical usage of one of the following testing environments: Mocha.js, Jasmine, Jest, Karma 
  • ability to write unit tests 
  • very good knowledge of website rendering optimization 
  • knowledge of debugging tools (Firebug, Chrome DevTools) 
  • ensuring consistency between various desktop search engines as well as mobile ones 
  • knowledge of control systems, version GIT 
  • very good knowledge of one of the following: NPM, Gulp, Grunt or Yarn 
  • knowledge of Spy-js 
 
Desirable: 
 
  • knowledge of Adobe Photoshop 
 
We offer: 
 
  • stable employment 
  • excellent and exceptional benefits 
  • a welcoming and inclusive environment 
  • extensive development opportunities 
  • openness to suggestion of your own solutions and technologies 
  • unconventional tasks, interesting and diverse projects on global scale 
  • relocation assistance if needed 
 
 
We kindly inform you that we will contact only chosen candidates. 
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