Senior JavaScript Developer

Callstack
Senior
14 000 - 19 000
pln
net / month (B2B)

Online interview
B2B
Remote
Remote possible
100%
Paid vacation
24

Project description

Callstack is a software development consultancy and a top global contributor to React Native - a Facebook open source framework for building web and mobile applications, using a hybrid approach - write once, run on many platforms at the same time.

We lead innovation in cross-platform technologies in order to make software more accessible to everyone, worldwide. We don’t follow best practices, we set them by being at the forefront of everything React Native. As an official partner to the React Native Core Team, we collaborate with the Facebook team on setting the direction for the future growth of the framework. Also, we support industry leaders all around the world to ship better mobile products to their users.

We are looking for an experienced JavaScript Developer to join our team. In this role you will have a unique opportunity to:

  • work hand in hand with authors of popular libraries and Open Source tools, having a possibility to become a part of this framework through joint contributions in OSS,
  • work on exciting and innovative R&D projects at Callstack, 
  • meet creators of React Native technology and if you choose to, you can act as a speaker on Callstack podcast auditions and React Native EU conferences.

Join us and work with the TOP Silicon Valley and Fortune 500 companies in the USA.

Your tasks

  • work hand in hand with authors of popular libraries and Open Source tools, having a possibility to become a part of this framework through joint contributions in OSS,
  • work on exciting and innovative R&D projects at Callstack,
  • meet creators of React Native technology and if you choose to, you can act as a speaker on Callstack podcast auditions and React Native EU conferences.


You will:

  • Act as a technology consultant for our clients and help them build great products for multiple platforms.
  • Drive the development process by providing expertise in cross-platform technologies and solving most complex programming issues.
  • Collaborate with development teams, CTOs, Project Managers and Product Owners from all around the world.
  • Have multiple possibilities to contribute to the Open Source community by working on projects led by our CTO, React Native Core Contributors and our Senior Developers.
  • Be one step ahead exploring technologies of tomorrow, being a part of our R&D activities.
  • Simply have fun!

Who we're looking for?

  • A JavaScript expert who presents extensive knowledge and expertise within modern frameworks, libraries and best practices.
  • Experienced with web or mobile apps development (3+ years).
  • Driven towards learning new technologies and knowledge-sharing initiatives.
  • Able to quickly gain new technical expertise.
  • Fluent in English (B2 level and higher).
  • Passionate about the open source mission, documented contributions to any open source project would be a huge plus.
  • Great communicator and team player.
  • Proactive and self-driven.
  • In possession of a substantial amount of sense of humour.
  • React and React Native experience are advantageous, but they are not required at this time

Skills
JavaScript
Work environment
Healthcare
  • Healthcare package
  • Healthcare package for families
Leisure package
  • Leisure package
Kitchen
  • Fruits
  • Snacks
  • Lunches
Traning
  • Conferences
  • Trainings
  • Books
Parking
  • Car parking
Other
  • Shower
  • Chill room
  • Integration events

Our company

Callstack

Wrocław 45-55
Tech skills
  • React
  • React Native
  • JavaScript

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