● Designed a modular iOS app with 20+ SPM modules, enabling parallel team development and faster build times. ● Implemented hardware-backed device attestation (App Attest / DeviceCheck) ensuring only genuine devices access backend services. ● Built a production WebSocket client powering real-time chat, SSO events, and live authorization updates. ● Integrated on-device ML for Voice ID biometric verification. ● Adopted Swift 6 strict concurrency across the entire codebase. ● Developed 60+ screens with MVVM+C architecture, covering biometric auth, SSO, deep linking, and multi-step verification flows.

● Shipped 5 production iOS apps across streaming, e-commerce, language tools, and travel domains. ● Built complex UI programmatically with SnapKit and XIB, following MVVM architecture. ● Integrated REST APIs, push notifications, offline caching, and CI/CD via Fastlane. ● Mentored interns and led feature development within Agile sprints.