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Optimization of Products and Processes

Optimization of Products and Processes

We provide everything you need to keep apps running smoothly and efficiently

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Super Apps Training

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Trusted partners

What we can do for your business

We will diagnose performance issues and develop solutions that establish new standards for your product and operations.

We can help you to:

Improve your developer experience

Develop your app more efficiently

Find the root cause of performance issues

Avoid technical debt

Improve projects setup

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Technical Debt Reduction and Prevention

Diagnosing and fixing technical debt

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App Performance Optimization

A holistic approach to optimizing app performance: diagnostics, fixes, and futureproofing

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Development Efficiency Boost

Remove the technology and process obstacles that stop your team from working efficiently

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POWERED BY

REACT UNIVERSE

Instead of splitting development across multiple languages, platforms, and teams, React Universe combines front and back-end development with cross-platform capabilities using a single programming model.

Deep dive into React Universe

“Callstack played an essential role in helping us release our mobile app to the market. They helped us set up and optimise our mobile ecosystem.”

Donovan Isherwood - Engineering Manager

Faster Time-to-Market, development growth & upskilling dev team

“Callstack made the perfect staff augmentation partner. Their engineers proved to be a crucial part of our mobile app relaunch project.”

Brian Aznar - Engineering Director

Major League Soccer

Extending React Native Capabilities by Adding Native Extensions

“Callstack is one of the best software teams I've ever worked with. They plug into your team and process seamlessly. They are responsive and professional.”

Farbood Nivi - CEO & Co-Founder

Improving a User Onboarding Experience for Coinmine

“The collaboration was great throughout, with Callstack engineers seamlessly working as part of our agile teams.”

Gareth Jenkins - Head of Engineering Trades Product

Upgrading the Checkatrade Mobile Application

“I appreciate their attention to detail, flexible approach and a high degree of expertise. I definitely recommend the Callstack team!”

Glen Moriarty - Founder and CEO

7 Cups App Upgrade Generates a 130% Increase in the Number of Users

“As a CTO working for more than two decades, I can confidently say that I strongly recommend Callstack for any development project related to React Native”

Arnaud Bezançon - CTO

Refreshing WorkflowGen App by Advantys

get in touch

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