Senior Software Engineer
2016 - PRESENTOutware Mobile- Provided technical analysis for business requirements.
- Wrote and reviewed code that closely maintains banking regulations and security practices.
- Provided assistance for solving difficult/illusive bugs.
- Organized and presented technical talks.
- Mentored developers and provided technical guidance.
Technologies: Android, Java, GitFreelance Android Developer
2015 - 2016Kasra.co (via Toptal)- Designed and implemented the app from the ground up, making sure to make ends meet between the existing back-end and the desired UI.
- Worked closely with the UX team to meet design specifications and ensure comparability with a wide range of Android device sizes.
- Added background loading and caching to enable users to consume content offline.
- Implemented syncing for user settings (favorites, bookmarks, etc.) between different user devices.
- Integrated the app with several social media services, e.g., branch.io for deep linking and Facebook/Twitter for logging in and content sharing.
Technologies: Android, REST, Deep LinkingFreelance Android Developer
2015 - 2015Fatsack Outdoors (via Toptal)- Ported an iOS app to Android.
- Created Android UI from provided Photoshop templates.
- Employed a mix of local and in-the-cloud strategy for data storage and caching.
Technologies: Android, Parse SDK, JSONFreelance Android Developer
2014 - 2015Rolltech, Inc. (via Toptal)- Developed the Android version of a Rolltech bowling score tracking app.
- Converted iOS app screens to Android ones.
- Implemented the app to consume a real-time API and maintained a responsive user-friendly UI.
Technologies: Android, Retrofit, JSONFreelance Developer
2014 - 2014Terminal.com (via Toptal)- Created reusable Linux-based snapshots. Each snapshot contained popular open source software installed, configured, and ready to use.
Technologies: LinuxDevelopment Lead
2014 - 2014Inmobly- Led a team of six developers, making design decisions and enforcing code quality practices.
- Used adaptive algorithms in the software to predict user future content consumption based on previous behavior.
- Achieved goals of lowering network congestion and decreasing internet bills.
Technologies: Android, PythonSystem Designer
2012 - 2013CGI- Redesigned SQL queries, significantly cutting execution time from 5 hours to 15 minutes.
- Redesigned C-based administration software for power plants into a server/client architecture.
- Ensured full backward compatibility for the new design.
Technologies: JavaScript, C#, SQLTeam Leader
2012 - 2012CartoLogic- Created a unified user management system encapsulating services running on different platforms.
- Developed a paging system allowing users to consume large amounts of data from GIS services not offering paging.
Technologies: ASP.NET, PythonSenior Developer
2011 - 2011CIT MobiDiv- Wrote a lossless algorithm to compress images in as few SMS packets as possible.
- Integrated the application with the messaging system on various mobile platforms.
- Used Facebook/Twitter API to publish images from the application.
Technologies: Windows Mobile, Android, J2MEDeveloper
2007 - 2011Harf IT- Designed and implemented algorithms for indexing both plain text and XML, with the ability to execute XPath queries on indexed data.
- Kept search and retrieval performance under 300ms for 16GB of data on a single mainstream PC, with index storage overhead of 15%.
- Wrote COM wrappers to provide search functionality to other platforms.
- Wrote a plugin to provide advanced Arabic support for SQL Server full text search.
Technologies: C++, Win32 API
Software Developer in Melbourne, Victoria, Australia
Member since March 16, 2014
Ahmed is an Android expert with a passion for intuitive user experience and snappy app performance. He is well versed in data storage/manipulation, multiple devices support and Android testing frameworks. He communicates well and has worked both alone and as a part of various team sizes.
Ahmed is now available for hire
Portfolio
- Outware MobileAndroid, Java, Git
- Kasra.co (via Toptal)Android, REST, Deep Linking
- Fatsack Outdoors (via Toptal)Android, Parse SDK, JSON
Experience
- Object-oriented Programming (OOP), 12 years
- Java, 9 years
- Android SDK, 9 years
Availability
Part-time
Preferred Environment
MacOS, Android Studio, Git, iTerm
The most amazing...
...things I've coded are algorithms for indexing over 16GB of Arabic plain text, keeping overhead less than 20% and search time under 300ms on a mainstream PC.
Employment
Experience
- Artiweet (Development)
Artiweet is a social app enabling Twitter lovers to tweet to their hearts' content with no limit. It is suitable for those with many followers and even more to say.
- Yalahwy (Development)
Yalahwy is an Android app for personal safety and kidnap prevention.
Meant as a community service for a community in need, it keeps an eye on those making dangerous trips; it alerts their friends via social networks when they are in danger, along with a map showing their latest whereabouts. - Rolltech Bowling - Android (Development)
Rolltech is a bowling score tracker.
Users can automatically track scores and statistics in real-time, share bowling experiences with friends, and compete globally without ever leaving their favorite bowling center. - Fatsack Outdoors - Android (Development)http://fatsackoutdoors.com/
Fatsack is an app for enthusiastic fishers. It keeps track of the items they have in their tackle boxes, the fish they catch as well as weather and location information for their catches.
- Kasra: News & More (Development)
Kasra delivers buzzing social articles about celebrities, lifehacks, recipes, and quizzes to the Arab youth.
Kasra enables readers to follow their favorite writers, bookmark the articles they like, share them over social networks and sync all of that across all their devices. - Android Customization: How to Build a UI Component That Does What You Want (Publication)It is not uncommon for developers to find themselves in need of a UI component that is either not provided by the platform they are targeting or is, indeed, provided, but lacks a certain property or behavior. The answer to both scenarios is a custom UI component. The Android UI model is inherently customizable, offering the means to create custom UI components in various ways.
- Needle in a Haystack: A Nifty Large-Scale Text Search Algorithm Tutorial (Publication)When coming across the term "text search", one usually thinks of a large body of text, which is indexed in a way that makes it possible to quickly look up one or more search terms when they are entered by a user. This is a classic problem in computer science, to which many solutions exist. But how about a reverse scenario? What if what's available for indexing beforehand is a group of search phrases, and only at runtime is a large body of text presented for searching?
Skills
Languages
C, Java, C++, PythonFrameworks
Dagger 2, Mockito, Espresso Testing Framework, Android SDK, DjangoLibraries/APIs
Butterknife, Google Gson, Retrofit 2, Google Maps, Node.js, GSONTools
SourceTree, Android Studio, Microsoft Visual StudioParadigms
Object-oriented Programming (OOP), Test-driven Development (TDD), Agile Software DevelopmentPlatforms
MacOS, Android, Windows, Symbian, LinuxStorage
SQLite, MySQLOther
GitFlow, Web Development, Software Developer, OkHttp
Education
- Bachelor's degree in Computer Engineering2001 - 2006Cairo University - Egypt
