Tahir Mahmood

Led development of cross-platform healthcare apps (iOS/Android) serving ~2,300 users. Contributed to two clinical trials (~200 participants), managed 300 Apple devices via Apple Business Manager and Miradore MDM, and delivered AI-powered inhalation features. Improved app startup by 20–30%, reduced crashes with Sentry, owned CI/CD and releases, and mentored developers while collaborating with cross-functional clinical teams.

Delivered cross-platform mobile & web apps for international healthcare, service, and events clients. Delivered authentication, booking, chat, scheduling, notification, Google-maps, route tracking and content-driven mobile workflows for international client applications. Designed offline-first data handling using Realm and Firebase for low-connectivity environments. Integrated GraphQL and REST APIs for real-time and transactional features.

Developed healthcare, education, and e-commerce mobile applications for international clients. Implemented BLE communication with external medical and wearable devices Built payment integrations using Stripe and PayPal. Delivered chat, calendar, appointment booking, and content management workflows.