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React Native / ReactJS Developer


#iOS #Android
Are you passionate about building apps?

We’re looking a React Native / ReactJS Developer to join our team.

If you have a keen interest in React Native / ReactJS or already have some experience developing iOS or Android apps using React Native / ReactJS  or similar technologies, send us your CV and let’s talk.

You will participate in developing lots of cool mobile apps, both for our partners and Cobalt Sign, all while having a good time.

Our languages of choice are Javascript and also Swift/Kotlin for building quality native apps for Android and iOS. We care a lot for team spirit, well-organized projects and we also like to stay up to date with the newest technologies and practices.

We enjoy growing and improving our own mobile app – Ready Set Holiday – which has over 2 million downloads and a 4.5 store rating.

 💙 Tools we use and love: Xcode, Android Studio, Visual Studio Code, Slack, Bitbucket, JIRA, Confluence & Basecamp.

Your skills

  • Good knowledge of OOP
  • At least one project in Java, Swift, Kotlin, Objective-C, React Native or .NET
  • Real passion for software development
  • Curiosity to learn and explore new technologies

We appreciate

  • Team spirit
  • Good communication
  • Integrity
  • Proactive attitude
  • Attention to details
  • Problem solving
  • Enthusiasm and an open mind

We offer

  • Project diversity and flexible program
  • Cozy office right in the city center
  • Zen & Holiday rooms to relax, watch Netflix or play foosball or boardgames
  • Conferences / workshops / online courses
  • Fruits, coffee (espresso, v60, french press) and a tea selection we are proud of

Our Company Culture

Careers @ Cobalt Sign


We enjoy sharing our passion for mobile app development. We created Hello App, a free app development course for students, already at the 6th edition.

Careers @ Cobalt Sign


We are fond of Japanese culture, mindfulness and our Zen Room & Holiday Room, our own cozy places to relax, chat and enjoy games, music & movies.

Careers @ Cobalt Sign


We enjoy travelling, so our team-buildings are about visiting European capitals, having new experiences and seeing new places & new cultures.

Cobalt Matters

Internal, technical, but very casual workshops and discussions to share the knowledge.

Cobalt Friday

We enjoy taking “zen time” with fruits and talks about apps we love and latest mobile tech trends.

Treats & Celebrations

Spontaneous company breakfasts, lunches, dinners, drinks, movies & whatever we feel like.

Gadgets, Tea & Coffee

Plenty of office gadgets, smartphones, probably the best teas in town and really good coffee.

Do you share our passion? Apply here.

React Native / ReactJS Developer Role

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