Shafi Ullah Email & Phone Number

Spearheaded the development of a dynamic cross-platform mobile app using React Native, boosting user engagement by 30% through cutting-edge UI/UX design.Mastered state management and performance optimization, slashing app load time by 25% and elevating overall responsiveness.Seamlessly integrated third-party APIs, enhancing app functionality and driving a 40% surge in user satisfaction and usage.Collaborated with designers, product managers, and backend developers, ensuring seamless project execution and timely delivery.Established rigorous testing protocols, including unit and end-to-end testing, resulting in a 15% decrease in post-launch bug reports and bolstered app stability.Navigated app store submission with finesse, achieving high ratings and rave reviews, while maintaining and updating the app in response to user feedback and market trends.

Developed and maintained high-performance web applications using HTML, CSS, JavaScript, and React, resulting in a 45% increase in user retention and satisfaction.Collaborated with UI/UX designers to create interactive, user-friendly interfaces, improving user experience and interaction rates by 50%.Implemented responsive design principles for seamless functionality across devices, contributing to a 25% increase in mobile user engagement.Optimized web applications for speed and scalability, reducing server load by 20% and enhancing site reliability.