Product and Process Optimization

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challenges
Facing These Challenges?

Intuition-driven Development

Lack of a data-driven framework leads to fragmentation and long-term performance bottlenecks.

Unstable Deployments

Poorly defined verification and testing disrupts system reliability, making it difficult to scale effectively.

Delayed Releases

Recurring delays escalate costs, risking compliance, and slowing down time-to-market.

Poor Dev Experience

Outdated tools and workflows slow down development, causing team inefficiency.
Why us?
Led By Collaboration

We’re Callstack - co-creators of React Native and a Meta’s partner. By actively helping build the technology, we ensure you’re working with the experts who shape the React Universe.
Here, we don’t just build apps - we turn your ideas into reality.  We streamline development, ensuring your teams are aligned, your fixes are long-term, and your user experience is seamless - from concept to launch.

Data-Driven Solutions
We gather data, metrics, and measurable evidence and set up the decision-making process to rely on statistical analysis and factual information to drive the product's growth.
Effective & Safe Releases
We help you build robust testing processes and production failure safety nets, to ensure the user experience remains undisrupted when shipping new releases.
Future-Proof Code
We help you tackle technical debt by keeping your codebase clean, scalable, and ready for what’s next - so you can grow without hitting performance roadblocks.
Services
Let your app be fast and your users (not) furious.

Technical Debt Reduction

Diagnosing and fixing technical debt for enhanced performance and stability

Development Efficiency Boost

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

App Performance Optimization

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

React Compiler Guided Implementation

Speed up your app with our guided implementation of Meta’s React Compiler. See performance boosts up to 2.5x

run your business on REACT UNIVERSE

React Universe combines front and back-end development with cross-platform capabilities using a single programming model to make faster, better apps.

Business Transformation

Business Transformation

We specialize in helping businesses transform and thrive by leveraging innovative solutions

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What we can do for your business

Great products have the power to shape great businesses. We support the digital transformation of your company, from choosing the right tools and technology to their ultimate internalization.

We can help you to:

Ship faster

Make your team more effective

Internalize changes

Imply standards and practices for your team in their new reality

Comply with legal requirements when introducing an innovation

products

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Learning and Development Strategies

A holistic approach to learning & development at your organization

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Workstreams’ Optimization

Achieve a more efficient team structure and development process

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Service

Product Shipment Acceleration

Use the React Universe capabilities to ship faster

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Work Efficiency

Enhance productivity and project success with a domain-centric team structure

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Tech Scalability

Migrate to the React Universe to scale your technical solution

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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

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Trusted by

“The team at Callstack are the most experienced and trusted engineers in the React Native community and ecosystem.”

Nader Dabit

DevRel + XD at EigenLayer / EigenDA

at Amazon Web Services

This information will be used only to contact you. For details, check our Privacy Policy.