Amir Hassan Mousavi
Lead & Senior Mobile Engineer with 7+ years of experience delivering high-scale native iOS and Android systems to App Store and Google Play. 2% crash-free users.
About
Lead & Senior Mobile Engineer with 7+ years of experience delivering high-scale native iOS and Android systems to App Store and Google Play. Formally proved as a Lead Mobile Engineer at Saraf, directing dual-platform architectures for a flagship fintech product with 1M+ downloads and 99.2% crash-free users. Expert in on-device ML and client-side generative AI integrations using Core ML, TFLite, and Vertex AI SDK.
Leverages cutting-edge AI engineering workflows (Cursor IDE, GitHub Copilot, Claude Code) to accelerate syntax scaffolding, automate comprehensive unit test coverage, and drive agile delivery. Proficient in Swift/SwiftUI, Kotlin, Jetpack Compose, and cross-functional mentorship, with strong focus on performance, stability, and CI/CD quality.
- 7 years' experience
- Joined July 2026
Skills· 23
Languages
- EnglishAdvanced
- PersianFluent
Industry experience
- Software & Internet
- Computers & Electronics
- Professional Services
- Government
- Healthcare
- Financial Services
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Work experience· 15 roles
Designed and shipped native calendar application for iOS (Swift, SwiftUI, UIKit, MVVM-C) and Android (Kotlin, MVVM) on a shared Clean Architecture foundation. Maintained 99.5%+ crash-free sessions with sub-second cold start and smooth 120fps UI across both platforms through performance profiling and memory optimization, supporting 30,000+ campaign sessions. Owned the full delivery lifecycle from design handoff to production release, including dependency injection, unit testing, and store submission for both platforms.
Single-handedly designed and shipped a native calendar application on both iOS (Swift, SwiftUI, UIKit, MVVM-C) and Android (Kotlin, MVVM) on a shared Clean Architecture foundation. Released via TestFlight and at calendar domain royzaneh daily. Maintained 99.5%+ crash-free sessions with sub-second cold start and smooth 120fps UI across both platforms through performance profiling and memory optimization, supporting 30,000+ campaign sessions. Owned full delivery lifecycle from design to production release including Dependency Injection, unit testing, and store submission on both platforms.
Directed native mobile architecture paradigms across iOS (Swift, SwiftUI, Combine, MVVM-C) and Android (Kotlin, Jetpack Compose, Coroutines, Flow) for high-scale fintech products while mentoring 6 engineers. Spearheaded end-to-end iOS lifecycle from July 2024 onward, building the AlSaraf iOS application from scratch in Swift/SwiftUI, scaling beta infrastructure to 1,000+ testers via TestFlight, and achieving a 99.2% crash-free user rate on the App Store. Led Android platform scaling from May 2023 onward, pushing the codebase past 1M+ downloads on Google Play and Cafe Bazaar while reducing app crash rates by 27% and increasing DAU by 41%. Architected mobile client-side AI integration using Firebase Vertex AI SDK on Android and OpenAI Swift SDK on iOS, enabling local streaming conversational assistants with structured JSON outputs. Optimized app compute footprint by replacing heavy cloud inference calls with on-device ML pipelines, reducing API latency metrics by 65% and lowering infrast
Education
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