Senior Front-End Developer
Docler Holding
Luxembourg, Luxembourg
2d ago


  • MSC or BSC in Information Technology or equivalent experience
  • 5+ years of experience coding in Vanilla JavaScript
  • Experience with high-availability, high-performance and scalable system solutions
  • Strong OOP skills and knowledge of design patterns
  • Extensive experience in HTML, CSS3 (flex, grid) and Preprocessors (SASS, LESS)
  • Familiar with Front-end build tools : Webpack, Gulp, Babel
  • Experience with at least one of React, Angular2, Backbone, or other such frameworks
  • Solid understanding of the JavaScript ecosystem (Node, NPM)
  • Sense about how a good API work
  • Being able to use the Command Line for everyday actions
  • Knowledge of Unit Testing and Test Driven Development
  • Clean Coding as your most important principle
  • Ability to think analytically and overview complex systems
  • Team player spirit
  • Urge to learn, follow latest improvements and apply those into our products
  • Broad knowledge of Agile methodologies
  • Upper intermediate English knowledge (B2) or higher
  • Desired Skills

  • Node.js experience
  • Experience using streaming technologies (Wowza, FMS, HLS, WebRTC)
  • Experience with RWD and / or multiplatform technologies (PC / Mobile / TV)
  • Ultimate SVG skills
  • Extensive understanding of ServiceWorkers
  • Familiarity with Extreme Programming (XP)
  • Functional Programing principles
  • Common sense regarding the OpenSource era
  • Knowledge of other programming languages
  • Continuous integration and deployment
  • Linux administrator knowledge
  • Keen to use types (TypeScript, Flow)
  • RDB, noSQL, GraphQL or Bigdata experience
  • Interest in WASM
  • Salary and benefits

  • Competitive salary
  • Relocation package and moving assistance from HR if relevant
  • Meal vouchers
  • Private health insurance
  • Additional holiday entitlement based on length of service with the company
  • Free gym membership
  • Sympass discount card
  • Company culture

  • Dynamic and friendly atmosphere
  • A multi-cultural environment made of 30 different nationalities, with English as the official language
  • Daily breakfast in the office
  • Free coffee, tea, and fresh fruit every day
  • Fantastic events, including Christmas Parties, Family Days, Hackathons and other surprises
  • Chill rooms, creative areas, and LAN parties
  • Company branded merchandise (goodies)
  • High quality of life offered by Luxembourg
  • Professional growth

  • Opportunity to attend conferences, certifications, technical workshops, trainings, and meetups
  • Free language courses in the office
  • Enthusiastic professionals to learn from
  • Possibility to advance in the company
  • Apply
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