Zain Ul Abidin
I am a senior Android engineer with over 8 years of experience in building high-performance applications using Kotlin, Java, Flutter, and Kotlin Multiplatform.
About
I am a senior Android engineer with over 8 years of experience in building high-performance applications using Kotlin, Java, Flutter, and Kotlin Multiplatform. I have worked with top brands and startups, managing apps with millions of users on the Play Store. I focus on delivering smooth user experiences, adapting quickly to new tools, and bringing strong problem-solving and communication skills to every project.
My career spans contributions to a variety of critical applications including food delivery, health, and ride-hailing services, optimizing performance and ensuring reliability in high-demand environments. I am passionate about clean architecture and maintainable code, with expertise in MVVM and modern Android development frameworks.
- 8 years' experience
- Joined September 2025
Industry experience
- Software & Internet
- Healthcare
- Retail
- Transportation & Logistics
- Non-Profit Organization
More experts in Riyadh, Saudi Arabia
Work experience· 5 roles
Contributed to the development of the Careem app (acquired by Uber). Independently designed and developed new features for the Careem pay module. Developed and maintained unit and UI test cases to ensure quality and functionality. Played a key role in designing and maintaining health applications for global organizations such as WHO and UNICEF. Leveraged OpenSRP to develop and maintain various applications. Designed and implemented a BLE-based location tracking system using TDK-view. Collaborated on feature development for JOANN™ fabric and craft stores.
Developed new features and improved app stability by fixing critical bugs and crashes, maintaining 99.9% crash-free users. Reduced frozen frames to under 8% across all screens for a smoother user experience. Enhanced and optimized performance, bringing screen load times under 500 ms and overall app Time to Interactive (TTI) under 3 seconds.
Developed and maintained Google projects using MVVM and Clean Architecture, delivering new features and bug fixes. Managed CI/CD pipelines to ensure smooth and reliable mobile app deployments.
Education
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