Knower™ Tech is a brand belonging to the Wellow™ Group that aims to match qualified professionals with the market.


Core skill set

  • 5+ year experience on UI development
    • JavaScript focused development
  • hands-on experience with:
    • "vanilla" JavaScript
    • graphical user interface development
    • data structures
  • single page application (SPA) development experience
  • JavaScript libraries/frameworks:
    • not just using, but also maintaining the core code base and contributing to it
  • working experience with NodeJS
    • developing modules
    • handling commonJS
  • web socket client-side development experience
    • JSON-RPC event handling
  • REST client-side experience
    • service request/response handling
    • data model handling

Complementary skill set:

  • TV UI development experience
  • Gaming development experience
  • HTML Canvas development experience
  • WebGL concepts/development experience
  • React, React Native or React Native Web development experience
  • Code pattern experience
  • Git version control system know-how
    • git flow collaborative approach
  • HTML audio/video development know-how
    • direct video tag use with vanilla JavaScript implementations
    • use of additional audio/video player libraries
  • Notions on continuous integration/continuous deployment systems
  • Experience with agile development methodologies
  • Experience with JIRA, Confluence or similar task driven/documentation driven platforms
  • English language spoken and written

What we offer:

  • Salary package and contract compatible with experience and ambitions
  • Benefits (day off on birthday, health insurance, extra vacation days, admission kit, various get-togethers, etc.)
  • Training plan and continuous learning environment
  • Skills development opportunities
  • Excellent work environment
  • Hybrid work model (1 to 2 days/week at the office)



We believe that talent overcomes age, gender identity, ethnicity, political or religious orientations, it overcomes barriers of expression, educational levels and physical limits. Our commitment is to the merit of those who seek to be a better version of themselves every day! For this reason, we seek to ensure that our recruitment and selection process is inclusive and respects the individuality of each person, creating a healthy and happy experience for those who come across us. Learn more about our commitment at!