Country
State
Cities
Top React & React Native experts
2016
$100 - $149/hr
10 - 49
Poland
Callstack is a top cross-platform consultancy & development company that operates within React.js and React Native. Since 2016 the company gathers the best experts in the field and provides a wide range of React and React Native services.
We co-create the technology we offer. We collaborate daily with the Meta team on setting the direction for the future growth of the React Native framework.
We organize the biggest React Native conference in the world (and the first conference in Europe) which focuses exclusively on React Native. We also host The React Native Show - a podcast series that explores different aspects of the React universe.
Explore Callstack office locations and service areas.
ulica Prosta 36 Wroclaw Lower Silesia Poland 53505
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Explore Callstack's portfolio and selected projects.
The client had a conventional mobile application for platforms – iOS and Android. They decided on a complete restart with a brand-new design. The client built a prototype in React Native just to prove that this idea might be correct. Then we joined the project to help make this dream happen. We have been there from the very beginning to help solve the various issues which came along with the React Native project where we have a strong level of expertise. Read More
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20 weeks
We were asked to migrate the existing MoMo platform (super app) and their mini apps to a separate repository with the help of the Re.Pack library. Also, we created their in-house development platform available for third-party developers to work on MoMo’s mini apps. Read More
30 weeks
For nearly four years we’ve been working with the AutoZone teams on their AutoZone web and mobile applications. Initially, the primary purpose of our cooperation was to enhance the performance of the AutoZone web app on mobile devices and to migrate old native apps into a new React Native app. As the projects evolved, the scope of work naturally expanded as the client wanted us to take care of more features. That’s why, after reaching the most important milestones, we turned to address other needs. Now we are working on securing further improvement and, all in all, making every effort to keep up the metrics at the highest level. Read More
100 weeks
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What does Callstack do?
Callstack is a technology company that provides software development and consulting services to businesses.
What services does Callstack offer?
Callstack offers software development, consulting, and engineering services to its clients.
Which industries does Callstack serve?
Callstack serves various industries, including finance, healthcare, and e-commerce.
Where is Callstack located?
Callstack has offices in the United States and Poland.
What technologies does Callstack specialize in?
Callstack specializes in technologies such as React, Node.js, and GraphQL.
Does Callstack offer dedicated developers?
Yes, Callstack offers dedicated development teams to its clients.
How can clients contact Callstack?
Clients can contact Callstack through its website, email, or phone.
What makes Callstack different?
Callstack's expertise in modern technologies and its ability to deliver high-quality software solutions make it different from other companies.
What engagement models does Callstack offer?
Callstack offers dedicated development teams, project-based engagement, and staff augmentation models.
Does Callstack work with startups?
Yes, Callstack works with startups and provides them with the necessary expertise and resources to build and grow their businesses.
Does Callstack serve enterprise clients?
Yes, Callstack serves enterprise clients and provides them with scalable and reliable software solutions.
Does Callstack provide maintenance and support?
Yes, Callstack provides maintenance and support services to its clients to ensure the smooth operation of their software solutions.
How long has Callstack been in business?
Callstack has been in business for over 10 years.
What is Callstack's development process?
Callstack's development process involves collaboration, iteration, and continuous improvement to deliver high-quality software solutions.
Does Callstack have client testimonials?
Yes, Callstack has client testimonials and case studies that demonstrate its expertise and success in delivering software solutions.
What certifications or partnerships does Callstack have?
Callstack has certifications and partnerships with various technology companies and organizations.
What types of projects has Callstack completed?
Callstack has completed various types of projects, including web and mobile applications, enterprise software solutions, and e-commerce platforms.
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