Ahmad Ismail
Verified Expert in Engineering
Mobile Developer
Linz, Austria
Toptal member since May 31, 2022
Ahmad has more than six years of practical experience in mobile development. He has developed products for a few of Europe's most prominent companies. Ahmad possesses a talent for creating extraordinarily pleasing and highly functional mobile applications and a passion for pushing mobile technologies to the limit. He also has experience with a wide variety of mobile devices and team-leading experiences.
Portfolio
Experience
- Java - 6 years
- Mobile Development - 5 years
- Android - 5 years
- Mobile App Development - 4 years
- Kotlin - 4 years
- Android Studio - 4 years
- Android SDK - 4 years
- Software Architecture - 2 years
Availability
Preferred Environment
MacOS, Android Studio, IntelliJ IDEA, Android NDK, SourceTree, Jenkins, Firebase, Kotlin, RxJava, Mobile Applications
The most amazing...
...product I've developed is the award-winning mobile app for EGGER, a global family company that produces wood-based panel products.
Work Experience
Senior Mobile Apps Developer and Organizational Lead
Netural
- Worked on the Red Dot award-winning mobile application called EDC for EGGER, the largest decor production company in Europe, as the key developer and organizational lead.
- Was part of the core team of the B2B pipeline system and application for voestalpine, the largest steel production company in Europe.
- Served as the primary developer and provided leadership on the development of Vivellio, the famous personal health manager app that gives its users detailed health data processed by doctors and enhanced by AI.
- Published more than five large-scale Android apps from 2021 to 2022.
Senior Mobile Kotlin Developer
Spencer Health Solutions Inc
- Developed an Android app that connects to Spencer+ medical devices that dispense medications to old patients on time. The app reminds patients of meds to take and triggers the dispensing accordingly.
- Implemented video conferencing in the Android app to allow patients to have live sessions with their caregivers (doctors) via a real-time encrypted video conference call to report their state and any other health inquiries.
- Implemented push notifications using Firebase Cloud Messaging (FCM) on the mobile side and Amazon Simple Notification Service (Amazon SNS) on the server side. The notifications notify patients of appointments they have, meds they should take, or other important events.
Senior Kotlin Developer
Measure Labs Inc.
- Developed a mobile app to measure heart rate through the phone camera by measuring the blood flow intensity through the user's fingertips. Served as the senior Kotlin developer with Camera API experience for a health device company.
- Built the app able to predict a person's blood pressure by obtaining the heart rate measurement with the help of an AI model.
- Enabled the app to exchange measurements with an AI model that maps the measurements to patients' physiological risks and predicts health events.
Android Developer
Brain Resource Inc.
- Developed Wear OS and Android phone apps to monitor and measure the user's heart rate, vitals, and stress levels. The health data is encrypted and synced across apps.
- Used the latest Android APIs for encryption and synchronizing data across apps and devices.
- Encrypted user history locally, which can be viewed through a friendly UI, and warning signs are shown in case of elevated stress.
Specialized Android Developer
Netural
- Developed a mobile application to control chargers for electric cars (Wallbox) locally or remotely. There are features for admins and registered users. They can control the power charge, limit the charging time, etc.
- Developed a mobile app for MedEl; the famous hearing aid corporate, to recommend products to patients with hearing difficulties by scanning their audiograms, a hearing test. The app was accomplished with good detection accuracy.
- Developed a mobile app for Silhouette, the famous eyewear company, which allows opticians to customize glasses for patients and display how they would look on them using AR. In addition to customizing lenses, colors, shapes, fit, etc.
Android Developer
AppiumTech
- Developed a business solution mobile application. Constructed a business profiles community and cards directory with an offline exchange cross-platform feature.
- Created an internal system of finding bugs that were very successful and are still used by the organization today.
- Reviewed competitive products to ensure the company did not create an existing or similar product.
Experience
Keba eMobility Wallbox
Egger Decorative Collection
Vivellio Health Manager
Education
Master's Degree in Computer Engineering
Johannes Kepler University - Linz, Austria
Skills
Libraries/APIs
RxJava, RxJava 2, Retrofit, REST APIs, Android API, CameraX, OpenGL, TensorFlow, Camera API, HealthKit
Tools
Android Studio, Android NDK, SourceTree, Git, IntelliJ IDEA, Jenkins, Firebase Cloud Messaging (FCM), Amazon Simple Notification Service (SNS)
Languages
Kotlin, Java, Swift, GraphQL, Python, C++, SQL
Frameworks
Android SDK, Dagger, KOIN, Dagger 2, Laravel
Paradigms
Mobile Development, Model View Controller (MVC), Dependency Injection, Unit Testing, Microservices, Mobile Design, Model View ViewModel (MVVM), Model View Presenter (MVP), REST
Platforms
Android, Android Watch, Mobile, Firebase, iOS, Amazon Web Services (AWS), Android TV, Twilio, Blockchain
Storage
JSON, Google Cloud, PostgreSQL
Industry Expertise
Travel & Leisure
Other
Mobile App Development, Bluetooth, Android Architecture, Code Review, Source Code Review, Task Analysis, Technical Hiring, Navigation, Mobile Applications, Mobile Apps, Android Camera App, Over-the-top Content (OTT), Jetpack Compose, APIs, Google Play Store, Architecture, Java, Jira, Technical Project Management, Mobile Architecture, Mobile APIs, Android App Design, Android App Development, MacBook, FTP Servers, Coroutines, Material 3, Startups, Software Architecture, Android Wearables, Wearables, Interviewing, Wear OS, Hilt, SDK Development, VoIP, Encryption, Data Encryption, WebSockets, Video Streaming, Cross-platform App Development, Smart TV, Technical Leadership, Machine Learning, Virtual Reality (VR), OkHttp, WiFi, UDP, Kotlin Multiplatform, Google Fit, Push Notifications, Video Chat, Video Conferencing, Product Roadmaps, Web Development, Full-stack
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