" Joining Callstack, I was excited, mostly because of one thing - I was going to work with experts who built open-source tools that I've been using in my projects...”
Jakub Urban
Senior Software Engineer
Product Development and Growth
We help companies of all sizes develop innovative products that let them stay on top of the game.
Nader Dabit - Senior Developer Advocate at Amazon Web Services
“The team at Callstack are the most experienced and trusted engineers in the React Native community and ecosystem.”
Optimization of Products and Processes
We provide everything you need to keep apps running smoothly and efficiently
Brian Aznar - Engineering Director of Major League Soccer
“Callstack made the perfect staff augmentation partner. Their engineers proved to be a crucial part of our mobile app relaunch project.”
TECH STACK UPGRADE
Use up-to-date technologies to unlock new levels of performance, scalability, and efficiency
Jin Chung - Co-Founder, CTO of Rainbow
“Running our cooperation for just a few weeks by now, the Callstack team has already managed to upgrade the navigation library, which was invaluable in terms of addressing some tech debt issues.”
Team Upskilling
We can equip your developers with the latest knowledge and tools
Gareth Jenkins -Head of Engineering at Checkatrade
“The collaboration was great throughout, with Callstack engineers seamlessly working as part of our agile teams.”
Business Transformation
We specialize in helping businesses transform and thrive by leveraging innovative solutions
Glen Moriarty - Founder and CEO of 7 Cups
“I appreciate their attention to detail, flexible approach and a high degree of expertise. I definitely recommend the Callstack team!”
react native performance optimization ebook
Your complete compendium for peak performance from React Native experts.
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