Senior React Native Developer

JavaScript

Senior React Native Developer

JavaScript
al. Walentego Roździeńskiego 1b, Katowice

Vaillant Group Business Services

Full-time
Permanent
Senior
Hybrid

Job description

What we achieve together


With the help of our loT 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 and You:

 

  • 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 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
  • Be part of a cross functional high-performance team


What makes us successful together

  • Experience: You bring at least 5 years proven React Native track record, 7 years with JavaScript in companies, universities or open-source communities and are interested in IoT systems, hardware and software
  • Know-how and skills: You know exactly what an app needs to be high performant with a large feature set. You have experience in end-to-end testing of frontend applications and knowledge about continuous integration and test automation: You actively write bridges and practice the principle: "you built it, you run it"
  • Personality: As a team player. you enjoy collaborating with other developers on a daily basis (mob/ pair programming) in a large agile team with shared code basis
  • Language skills: You speak English fluently; Polish or German would be a plus.


What makes us special

  • Environment that cares about your well-being: flexible working hours, hybrid work model 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

Tech stack

    English

    B2

    React Native

    advanced

    JavaScript

    advanced

    TypeScript

    regular

    Kotlin

    nice to have

    Objective-C

    nice to have

    Swift

    nice to have

Office location

Published: 14.08.2025