Available to hire
Hi, I’m Mohsen Abd Elkareem, a Senior Android Engineer with 10+ years of experience building scalable, high-performance Android applications using Kotlin and Jetpack Compose. I specialize in designing clean architectures, mentoring Android teams, and delivering robust, production-ready mobile software.
I’ve led initiatives that reduced crashes by 30% and ANRs by over 20%, improved performance across large codebases, and implemented offline-first architectures with Room and WorkManager. I’m open to remote contract opportunities with overlap with US time zones.
Experience Level
Work Experience
Mobile Team Leader / Senior Android Engineer at Squadio
January 1, 2019 - PresentLed Android development across multiple production apps and modules; mentored 3–6 developers. Delivered 15+ major features across UI, integrations, and stability improvements. Built 40+ reusable UI components. Reduced production crash rate by 30% and ANRs by 20%+. Implemented offline-first architecture using Room and WorkManager. Automated releases using CI/CD, reducing manual release effort by 50%. Increased test coverage to 60%+ using JUnit and Mockito.
Senior Android Developer at 10 Degrees
January 1, 2019 - December 31, 2019Delivered production Android features focusing on stability, usability, and maintainable architecture. Integrated backend APIs and Firebase services.
Android Developer at Promit Tech
January 1, 2017 - January 1, 2019Developed Android features end-to-end using Kotlin/Java. Improved UI responsiveness across multiple modules.
Android Developer at Freelance
January 1, 2016 - January 1, 2017Delivered Android apps for ordering, logistics, and location-based services.
Education
B.Sc. in Physics and Chemistry at Alexandria University - Faculty of Science
January 1, 2009 - January 1, 2014Qualifications
Industry Experience
Software & Internet
Experience Level
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer in Alexandria today.