I am a senior mobile developer with over 9 years of production Android experience, delivering customer-facing and enterprise apps at scale. I specialize in secure API integration, push notifications, multilingual-ready UI, and robust release workflows across Play Store and App Store. I’ve led cross-functional efforts with product, design, and backend teams to turn complex requirements into maintainable mobile screens and production-ready code.\n\nI have practical exposure to Kotlin Multiplatform and Compose Multiplatform, supporting iOS collaboration and sharing business logic across Android and iOS. I’m comfortable working remotely, mentoring peers, and adapting quickly to tight timelines while ensuring quality and security, including crash/ANR diagnosis and performance improvements.

MD MAHABUB KARIM

I am a senior mobile developer with over 9 years of production Android experience, delivering customer-facing and enterprise apps at scale. I specialize in secure API integration, push notifications, multilingual-ready UI, and robust release workflows across Play Store and App Store. I’ve led cross-functional efforts with product, design, and backend teams to turn complex requirements into maintainable mobile screens and production-ready code.\n\nI have practical exposure to Kotlin Multiplatform and Compose Multiplatform, supporting iOS collaboration and sharing business logic across Android and iOS. I’m comfortable working remotely, mentoring peers, and adapting quickly to tight timelines while ensuring quality and security, including crash/ANR diagnosis and performance improvements.

Available to hire

I am a senior mobile developer with over 9 years of production Android experience, delivering customer-facing and enterprise apps at scale. I specialize in secure API integration, push notifications, multilingual-ready UI, and robust release workflows across Play Store and App Store. I’ve led cross-functional efforts with product, design, and backend teams to turn complex requirements into maintainable mobile screens and production-ready code.\n\nI have practical exposure to Kotlin Multiplatform and Compose Multiplatform, supporting iOS collaboration and sharing business logic across Android and iOS. I’m comfortable working remotely, mentoring peers, and adapting quickly to tight timelines while ensuring quality and security, including crash/ANR diagnosis and performance improvements.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert

Language

Bengali
Fluent
English
Advanced

Work Experience

Senior System Specialist - Android Lead at United Finance PLC
January 1, 2016 - Present
Lead mobile application delivery for production FinTech and enterprise apps used by customers, field officers, and internal teams. Designed and maintained Kotlin-based Android applications using MVVM, Clean Architecture, Retrofit, OkHttp, Room, Hilt/Koin, Firebase, and secure local storage. Worked on Kotlin Multiplatform and Compose Multiplatform architecture with shared business logic across Android and iOS, including modular domain, data, DI, and presentation layers. Implemented production features including biometric login, loan/deposit workflows, push notifications, offline-first caching, document/image upload, location verification, and WebView-based hybrid flows. Supported iOS-related delivery through KMP shared logic, iOS-specific platform implementations, Keychain/secure storage, Info.plist configuration, SwiftUI/UIKit integration discussions, and App Store readiness. Built reusable navigation, app settings, language management, and UI patterns suitable for multilingual and cus

Education

B.Sc. in Computer Science & Engineering at Southeast University, Bangladesh
January 11, 2030 - January 1, 2014

Qualifications

IELTS Academic Band 6.0
January 11, 2030 - May 17, 2026

Industry Experience

Financial Services, Software & Internet, Professional Services, Other