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FinTech Mobile App Modernization

We successfully modernized a legacy React Native mobile application for an African FinTech startup. The project involved comprehensive technical upgrades, performance optimization, and the addition of new features to bring the app up to current market standards.

Client

Fintech

Services

React Native App Upgrade

Challenge

The client faced several critical technical issues with their existing mobile application:

  • Legacy codebase with outdated React Native version

  • Development environment instability preventing proper testing

  • Multiple production errors affecting user experience

  • Poor performance affecting user satisfaction

  • Outdated navigation system

  • Inefficient financial data visualization

  • Technical debt accumulation from lack of maintenance

Solution

We implemented a comprehensive modernization strategy:


Technical Upgrades

  • Complete upgrade to the latest stable version of React Native

  • Migration to React Navigation v6 from v3

  • Modernization of all dependent libraries and packages

  • Implementation of current React Native best practices

  • Cleanup of deprecated code and redundant dependencies


Performance Optimization

  • Implementation of Skia-based graphics for financial charts

  • Enhanced app stability and reliability

  • Improved startup time and overall responsiveness

  • Drastically reduced app bundle size


Development Infrastructure

  • Restored development environment functionality

  • Updated build configuration and scripts

  • Implementation of modern development tools

  • Enhanced debugging capabilities

  • Improved deployment workflow

Result

Technical Improvements

  • Successfully upgraded all core dependencies to latest stable versions

  • Eliminated development environment issues

  • Resolved production errors

  • Improved overall application stability

  • Enhanced maintainability of codebase


Performance Gains

  • Reduced application load time

  • Improved responsiveness of financial charts

  • Enhanced overall user experience


Business Impact

  • Increased user satisfaction through improved performance

  • Reduced maintenance overhead

  • Enhanced platform for future feature development

  • Improved app store ratings

  • Decreased crash rates and error reports


Development Efficiency

  • Streamlined development process

  • Reduced time to implement new features

  • Improved debugging capabilities

  • Enhanced code maintainability

  • Better development team productivity


User Experience

  • Smoother navigation experience

  • More responsive financial data visualization

  • Improved app stability

  • Enhanced visual feedback

  • Better overall app performance


The modernization project has transformed an outdated application into a modern, high-performance financial platform ready for future growth and feature expansion. The client now has a solid foundation for continuing to evolve their FinTech offering in the African market.

Contact

Let’s Build something

Together, let's work on your problem and find the right solution.

Contact

Let’s Build something

Together, let's work on your problem and find the right solution.

Contact

Let’s Build something

Together, let's work on your problem and find the right solution.