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I am an experienced Android Application Developer with strong expertise in Java and Kotlin, API integration, and performance optimization. I have built scalable mobile applications following MVVM architecture, REST/SOAP APIs, and modern Android best practices. Based in the United Arab Emirates, I am actively seeking opportunities in Saudi Arabia to contribute to high-quality mobile products. I have hands-on experience integrating secure payment gateways (Telr, Tabby, PayPal), Firebase authentication and real-time database synchronization for cart management and push notifications, and offline data access with Room. I improved app responsiveness with Kotlin coroutines, collaborated with UI/UX teams to deliver intuitive experiences, and designed apps with location-based services and Google Maps integration. I look forward to contributing to impactful mobile solutions.…I am an experienced Android Application Developer with strong expertise in Java and Kotlin, API integration, and performance optimization. I have built scalable mobile applications following MVVM architecture, REST/SOAP APIs, and modern Android best practices. Based in the United Arab Emirates, I am actively seeking opportunities in Saudi Arabia to contribute to high-quality mobile products. I have hands-on experience integrating secure payment gateways (Telr, Tabby, PayPal), Firebase authentication and real-time database synchronization for cart management and push notifications, and offline data access with Room. I improved app responsiveness with Kotlin coroutines, collaborated with UI/UX teams to deliver intuitive experiences, and designed apps with location-based services and Google Maps integration. I look forward to contributing to impactful mobile solutions.

Sayed Roohullah

App Developer, Web Developer, Full Stack Developer, +1

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I am an experienced Android Application Developer with strong expertise in Java and Kotlin, API integration, and performance optimization. I have built scalable mobile applications following MVVM architecture, REST/SOAP APIs, and modern Android best practices. Based in the United Arab Emirates, I am actively seeking opportunities in Saudi Arabia to contribute to high-quality mobile products. I have hands-on experience integrating secure payment gateways (Telr, Tabby, PayPal), Firebase authentication and real-time database synchronization for cart management and push notifications, and offline data access with Room. I improved app responsiveness with Kotlin coroutines, collaborated with UI/UX teams to deliver intuitive experiences, and designed apps with location-based services and Google Maps integration. I look forward to contributing to impactful mobile solutions.…I am an experienced Android Application Developer with strong expertise in Java and Kotlin, API integration, and performance optimization. I have built scalable mobile applications following MVVM architecture, REST/SOAP APIs, and modern Android best practices. Based in the United Arab Emirates, I am actively seeking opportunities in Saudi Arabia to contribute to high-quality mobile products. I have hands-on experience integrating secure payment gateways (Telr, Tabby, PayPal), Firebase authentication and real-time database synchronization for cart management and push notifications, and offline data access with Room. I improved app responsiveness with Kotlin coroutines, collaborated with UI/UX teams to deliver intuitive experiences, and designed apps with location-based services and Google Maps integration. I look forward to contributing to impactful mobile solutions.

Available to hire

I am an experienced Android Application Developer with strong expertise in Java and Kotlin, API integration, and performance optimization. I have built scalable mobile applications following MVVM architecture, REST/SOAP APIs, and modern Android best practices. Based in the United Arab Emirates, I am actively seeking opportunities in Saudi Arabia to contribute to high-quality mobile products.

I have hands-on experience integrating secure payment gateways (Telr, Tabby, PayPal), Firebase authentication and real-time database synchronization for cart management and push notifications, and offline data access with Room. I improved app responsiveness with Kotlin coroutines, collaborated with UI/UX teams to deliver intuitive experiences, and designed apps with location-based services and Google Maps integration. I look forward to contributing to impactful mobile solutions.

Skills

Kotlin

Android

Java

Experience Level

Kotlin

Expert

Android

Expert

Java

Expert

Language

English

Fluent

Urdu

Fluent

Arabic

Intermediate

Work Experience

Android Application Developer at Al Waqt Al Haqiqi DOD UAE

March 8, 2024 - Present

Developed online shopping Android app using Kotlin/Java with Clean Architecture (MVVM/MVC). Integrated secure payment gateways (Telr, Tabby, PayPal); implemented Firebase authentication, real-time cart synchronization, and push notifications. Created offline data access with Room and improved app responsiveness with Kotlin coroutines. Collaborated with UI/UX to deliver an intuitive shopping experience and integrated Google Maps for location-based services.

Junior Android Developer at UPROCK TECH

June 1, 2022 - December 31, 2023

Built data exchange between frontend and backend with Retrofit and JSON; added Google Analytics for behavioral insights; implemented push notification systems with actionable and scheduled alerts; applied MVC/MVVM patterns for scalable code; utilized Koin for dependency injection and improved memory management; leveraged Kotlin coroutines for asynchronous operations.

Junior Android Developer at Solution of Technology

November 1, 2021 - May 31, 2022

Developed modular Kotlin/Java applications; implemented Room CRUD with REST via Retrofit; integrated Firebase (Crashlytics, Cloud Messaging); added Google AdMob for monetization; implemented QR/barcode scanning; incorporated measurement tools and A/B testing; enhanced UI/UX and performed code reviews for maintainability.