Senior Software Engineer with over 7 years of experience in building full-stack and mobile applications. Optimized a complex invoicing process for 4,000 users by 98% (from 1 hour to 1 minute), delivered a mobile app upgrade in 1 month versus an estimated 3 months (67% reduction of delivery time), and collaborated with senior engineers in Australia, the US, Japan, and Philippines' Department of Health to deliver innovative solutions.