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    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.
    Software HouseInformation Technology100+Wrocław

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    Offers

    Business Development Manager

    New
    Callstack
    Undisclosed Salary
    Kraków, +4Locations
    closing deals
    lead management
    Lead Generation

    Our team

    Michał Pierzchała
    Principal Engineer in Technology

    UI engineer passionate about building mobile and web experiences, high quality JS tooling and Open Source. Core Jest & React Native Community contributor. Space exploration enthusiast.

    Jakub Kłobus
    Engineering Manager

    Software developer working at Callstack since the very beginning. After mastering web, he moved to React Native where he focuses on making Reason React Native next big thing. A fan of leadership as partnership.

    Łukasz Chludziński
    React Native Expert

    RN developer with mobile background, highly skilled in performance optimization. Mentor in the field of Community and Trainings at Callstack. Podcast host at The React Native Show Podcast and DevSpresso: JS News.


    Tech stack

    React Native logo

    React Native

    React logo

    React

    Node.js logo

    Node.js

    JavaScript logo

    JavaScript

    TypeScript logo

    TypeScript

    N

    Next.js


    Take a closer look

    How it all started?

    The company was founded in 2016 by Mike Grabowski and Anna Lankauf. We grew very fast during the last few years, and now we are a team of over 100 highly skilled individuals that can help you with your React and React Native project.

    How it all started?

    What is unique about Callstack?

    At Callstack You can develop your ideas in our R&D program. If you want to bring your visions to life in Open Source - Callstack will support you. Also we provide self- development budget. With our help you can upgrade your soft and managing skills to become a Mentor in the future.

    What is unique about Callstack?

    Blog & Podcasts

    Also, there are plenty of possibilities to show your expertise: become a speaker on a conference, be featured in our blog, or podcast!

    Open Source Leadres

    During our journey we became the main contributors in Open Source, launching libraries like React Native Paper, Linaria, RN Testing Library etc.

    React Universe Conf

    Since 2017, Callstack has organized the biggest React Native-related conference on our planet! Formerly known as React Native EU, it has evolved into React Universe Conf, for better alignment with our current focus on all things React and React Native. It is a unique place for developers to share their expertise and learn from the top industry talents. By joining us, you can become the co-creator of next year’s event and a part of this amazing community.

    React Universe Conf


    Blog post

    How You Can Develop as a Callstack Developer | {callstack}
    How You Can Develop as a Callstack Developer | {callstack}
    How to Make Your Open Source Project Repository Contributor Friendly | {callstack}
    How to Make Your Open Source Project Repository Contributor Friendly | {callstack}
    Understanding React Server Components | {callstack}
    Understanding React Server Components | {callstack}
    How to Optimize Development Efficiency When You’re Building a Super App | {callstack}
    How to Optimize Development Efficiency When You’re Building a Super App | {callstack}

    Company insight


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    Active job offers

    Business Development Manager

    Undisclosed Salary
    New
    Callstack
    closing deals
    lead management
    Lead Generation