• Designed and implemented a tracker module using Firebase Location Services to monitor the sales and distribution systems in the GIS section • Automated the database migration tests from a specific version to the next one to ensure the update integrity • Declared a type adapter for GSON library to resolve the class conversion errors and achieved 90% accuracy • Assisted the senior developers in creating and testing Android and iOS… Show more • Designed and implemented a tracker module using Firebase Location Services to monitor the sales and distribution systems in the GIS section • Automated the database migration tests from a specific version to the next one to ensure the update integrity • Declared a type adapter for GSON library to resolve the class conversion errors and achieved 90% accuracy • Assisted the senior developers in creating and testing Android and iOS applications using React Native • Enabled online and real-time location updates and customer targeting with a 5-second refresh rate • Implemented a paging library and a QR code scanner using Xing library to optimize the product management and enable barcode reading and inventory tracking • Added dynamic currency conversion to the financial systems to allow instant currency exchange • Improved the app performance and user satisfaction by applying best practices and feedback • Fixed bugs, wrote tests, and maintained code quality using Espresso, JUnit, and Git • Received positive feedback and recognition for enthusiasm and creativity Show less

• Developed and launched a navigation app for car drivers using Android SDK and Google Maps API, featuring an open-source routing machine, a voice guide and a customized Android OS for multimedia car devices. • Utilized Text-to-Speech and Speech Recognition libraries to create a voice guide feature that provided turn-by-turn directions and traffic alerts • Leveraged OpenGL ES to display geometric points of captured pictures with GL… Show more • Developed and launched a navigation app for car drivers using Android SDK and Google Maps API, featuring an open-source routing machine, a voice guide and a customized Android OS for multimedia car devices. • Utilized Text-to-Speech and Speech Recognition libraries to create a voice guide feature that provided turn-by-turn directions and traffic alerts • Leveraged OpenGL ES to display geometric points of captured pictures with GL surface on Android devices, enhancing the user experience and visual appeal • Optimized the app performance and efficiency by using JNI to access native code during the computing process Show less

• Produced and developed an Android Application Messenger with voice and video call for Sevo municipality • Integrated Chunk Uploader service to enable multimedia file sharing among users • Developed a messaging app using WebSocket protocol and Node.js framework • Implemented SMS gateway for sending OTP messages from a specific source • Attracted 7,000 active users for the app within six months of launch

• Produced and developed two versions of PinaOffer, a B2C marketplace app, using Kotlin and React Native • Developed and maintained the backend and website for PinaOffer and Tavanito, a B2B marketplace app, using Laravel and React • Implemented an internal and external messenger for Tavanito, using Node.js, Go, and C++ • Imported and exported client data with Excel format

• Produced and developed two versions of PinaOffer, a B2C marketplace app, using Kotlin and React Native • Developed and maintained the backend and website for PinaOffer and Tavanito, a B2B marketplace app, using Laravel and React • Created RESTful Api for “SanateAkkasi” Application and refactored admin panel source • Created “PersiaMode” Android Application (clothing store) • Produced “Walkman” Application… Show more • Produced and developed two versions of PinaOffer, a B2C marketplace app, using Kotlin and React Native • Developed and maintained the backend and website for PinaOffer and Tavanito, a B2B marketplace app, using Laravel and React • Created RESTful Api for “SanateAkkasi” Application and refactored admin panel source • Created “PersiaMode” Android Application (clothing store) • Produced “Walkman” Application (online music player) • Contributed and refactored more than 20 applications Show less