React Native – U.S. Bank Mobile Banking

Developed and launched the nation’s first Spanish-language voice assistant for mobile banking, built with React.js, TypeScript, and natural language processing (NLP) technologies. This feature expanded accessibility and improved the overall user experience for Spanish-speaking customers nationwide.

I contributed to enhancing the official React Native mobile banking app—used by tens of millions of customers—by improving performance, optimizing critical user flows, and strengthening app stability across both iOS and Android platforms. As a result of these enhancements, the application achieved a 5-star rating and delivered a smoother, faster, and more reliable mobile experience.

Key Contributions & Technical Impact

• Developed multilingual voice interaction features using NLP models integrated with React Native UI components.
• Improved app startup time, navigation responsiveness, and memory usage performance.
• Enhanced accessibility and user engagement for Spanish-speaking customers through conversational banking tools.
• Built reusable TypeScript modules to increase code maintainability and speed up feature development.
• Collaborated across product, design, and QA teams to deliver dependable and high-quality mobile banking functionality.

Innovation in Mobile Banking

This project contributed to modernizing U.S. Bank’s mobile ecosystem by introducing multilingual support, intelligent voice interactions, and performance-focused engineering practices. These improvements helped elevate both customer satisfaction and long-term platform reliability within a highly regulated and high-traffic fintech environment.