Senior JavaScript Developer

Callstack

Wrocław

Type of work

Undetermined

Experience

Senior

Employment Type

B2B

Operating mode

Remote

Callstack

Callstack provides top cross-platform consultancy & development in React Native and React.js. We co-create and shape the technology as core contributors and innovators. Our main goal is to drive and accelerate software development innovation.

Company profile

Tech stack

JavaScript

advanced

ReactJS

advanced

React Native

nice to have

iOS

nice to have

Android

nice to have

Job description

Online interview

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.

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!

You are:

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.

What we offer:

Possibility to work with the best React & React Native experts in the world on most technologically sophisticated projects.
Possibility to actively influence the technical direction of the project.
Possibility to influence how React Native framework is being developed.
Insight into React Native internals and architecture and ability to work with it.
Constant support and great environment for both technical and soft skills growth. Your development is our success!
Individual self-development budget.
Private healthcare for you and your family .
Co-financed Multisport Card or monthly allowance for other gym and sports activities - you choose!
A monthly lunch allowance.
Fully covered life insurance.
24 paid days off and paid sick leave for B2B contractors.
Great office in the city center.
This job is possible 100% remotely.
Accounting costs refund for B2B contractors.
Flexible working hours.
Top-notch hardware - MacBook Pro, monitor, and peripheral devices.
Recurring team events - workation, weekend ski rides, cooking workshops, board game nights, and parties.