Job details

Lead Developer IoT React Native

  • React Native

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Posted: 3 months ago

Please note: this job offer include hybrid working model (30% from the office). Your future office location will be Katowice.


With the help of our IoT products we support our customers to optimize their energy consumption and to experience a warm and comfortable home. You contribute in adding new functions to our mobile app and make it available for more customers in different countries. You will work with a state of the art technology stack: React Native, Redux, Firebase, Maestro, Keycloak, Github, Bitrise, Slack

  • Develop a mobile multi brand and multi-platform app based on React Native
  • Lead the feature development in IoT context: Concept development, App development, testing 
  • Steer the release process and work on high stability; drive our products towards better technology, quality and functionality
  • Together with the architect and chapter lead you take care of a well-structured code basis, a future oriented technology stack and an evolving architecture
  • Work as a part of an agile cross functional team. You actively take part in all agile team rituals to plan, coordinate daily work and ensure continuous improvement; act as a mentor to junior developers



  • Min. 5 years proven React Native track record, 7 years with JavaScript in companies, universities or open source communities 
  • Interest in IoT systems, hardware and software
  • You know exactly what an app needs to be high performant with a large feature set
  • Experience in end-to-end testing of frontend applications and knowledge about continuous integration and test automation 
  • You can handle complexity, that's why you keep your code simple 
  • You actively write bridges and practice the principle: "you built it, you run it"
  • You enjoy collaborating with other developers on a daily basis (mob/ pair programming) in a large agile team with shared code basis
  • You have a very good command of the English language



  • Environment that cares about your well-being: flexible working hours, hybrid work model 70/30 and additional 2 days off per year for every employee
  • Package of additional benefits: private medical care, multi-sport card
  • A fast growing, agile and very dynamic team that challenges established routines and helps transforming the Vaillant Group to a data informed business
  • Constant learning opportunities for both technical and personal growth through a range of workshops, seminars, events, and e-learnings
  • We continually pull together, organize tech meetups, take part in conferences and celebrate successes