Increased mobile sales for a leading e-commerce company by 35% through developing an intuitive mobile application and integrating payment gateways. Improved user engagement in a messaging app by 50% through implementing Firebase Cloud Messaging and designing scalable backend infrastructure. Secured $2 million in funding for a healthcare startup by developing a visually appealing, secure, and real-time monitoring Android app. Achieved a 4.8-star rating on the Google Play Store and over 500,000 downloads for a location-based app by integrating with Google Maps and optimizing code. Delivered high-quality mobile apps on tight timelines by leading Agile development teams, optimizing workflows, and performing code reviews.