Abubaker Mustafa

- Built a new product module from scratch using Kotlin, Jetpack Compose, and Clean Architecture. - Delivered complex UI layouts 20% faster with Compose and modular UI patterns. - Led unit and UI testing efforts (JUnit, Espresso, Compose Testing), reducing post-release bugs by 10%. - Owned 40%+ of UI test cases, boosting test coverage and app stability. - Cut bug investigation time by 20% through CI logging in Jenkins. - Optimized CI/CD with automated testing, parallel builds, and regression validation.

-Explore and contribute to the test automation framework. -Development unit tests in the CI/CD pipeline. -Configuration of the Jenkins server for the software tests. -Development of Python scripts for automated tests in CI/CD pipleline. -Execution of functional and acceptance tests for Android and iOS eBike app. -Manage alpha/Beta and production releases. -Entry of tests results in the test database TestRail. -Exploratory Testing. -Behaving as bridge between Testing and mobile team

The tech stack includes: - ExoPlayer - Consuming REST services using Retrofit 2.0 - Handling image downloads with Picasso and Glide - View injection with Butterknife - Keep the apps responsive under demanding network conditions - Google and Firebase Analytics - Kotlin - Charles . Responsible for migrating Starzplay android app from (Java) MVP to Kotlin with MVVM. · Responsible for Google Play Store compliance checks. · Developed internal SDK/ Library to use in Mobile and Android TV Platform App.