All offersWarszawaJSSenior Frontend Developer
Senior Frontend Developer
JS
Cosmose

Senior Frontend Developer

Cosmose
Warszawa
Type of work
Undetermined
Experience
Senior
Employment Type
B2B
Operating mode
Office
Cosmose

Cosmose

We invented OMNIcookie, a cookie for the physical world. It combines offline stores with online advertising, revolutionizing the advertising industry and retail. Cosmose achieves its location accuracy, without beacons, equipment or installations.

Company profile

Tech stack

    ReactJS
    master
    HTML5 / CSS3
    master
    JavaScript (ES6+)
    master
    Gulp
    advanced
    Mocha / Jest
    advanced
    Redux
    advanced
    Thunk/Saga
    advanced
    RESTful API
    regular
    Agile / Scrum
    regular

Job description

Cosmose is a fast-growing software company on a path to revolutionize the $500BN advertising industry. Its OMNIcookie, a cookie for the physical world, reaches 1 billion smartphones in Asia. Cosmose delivers results for the world’s biggest luxury and cosmetics brands, including L'Oreal, LVMH and Cartier.

We're looking for experienced and talented Frontend Developers to join our team. You'll be part of a growing team, crafting our front-end infrastructure and delivering value to our customers. 

We'll expect you to have:
  • at least 3 years of experience as a front-end developer building large scale web software 
  • experience with ReactJS
  • experience developing web pages with HTML, CSS and JavaScript
  • well established knowledge about http protocol and RESTful API
  • real passion for collaboration and strong interpersonal skills
  • experience working with agile software development methodologies (scrum)

Experience in the following is also preferred:
  • front-end testing frameworks (e.g. Mocha, Chai)
  • continuous delivery
  • AWS

The candidate must be eligible to work in Poland and be able to communicate in both Polish and English.