Tech Stack Upgrade

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Outdated tools and workflows slow down development, causing team inefficiency.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

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Development Efficiency Boost

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

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App Performance Optimization

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

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React Compiler Guided Implementation

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

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Cross-Platform Power

Scale your product with a flexible, feature-driven design and a team that knows the ropes. Native experience on every platform means your users feel at home, no matter how global you go.

Future-Proof Approach

Stay miles ahead with cutting-edge tech, flawless performance, and the scalability to grow as your business does. We future-proof your app so you're always prepared for what’s next.