Ahmad Hussain

Senior Mobile Developer

MRS Electronic Group • Fulltime

Apr 2021 - Present • 5 yrs 1 mo

I led the development of an Android application for IoT devices, emphasizing reliable connectivity, automation, testing, and cloud integration. My expertise spans various technologies, ensuring high-quality mobile application delivery. Key Accomplishments: * IoT Device Integration: - Developed an Android app using Bluetooth Low Energy (BLE) for seamless connection to IoT devices. - Managed data communication for reliable package sharing and acknowledgment receipt. * MQTT Protocol: - Set up and maintained MQTT connections for real-time communication. - Handled topic subscriptions for efficient data transfer between devices and servers. * Automation with Fastlane: - Automated the build process with Fastlane to streamline app creation. - Implemented CI/CD pipelines for efficient build and release management, including automated uploads to the Play Store. * Cloud Services: - Leveraged AWS IoT Core and AWS Amplify for secure user authentication and real-time monitoring. - Used AWS Lambda for serverless computing, enhancing scalability. * Firebase Integration: - Integrated Firebase SDKs for session management and app event tracking. - Implemented Firebase Crashlytics for real-time crash reporting and used Realtime Database for data synchronization. * Quality Assurance: - Conducted unit testing using JUnit and Mockito, ensuring reliability and seamless user experiences. - Developed end-to-end (E2E) tests to validate app behavior and optimize performance. * Technical Skills: - Languages: Java, Kotlin, XML - Frameworks: Android SDK, MVVM, SOLID Principles, Clean Coding - Tools: Android Studio, Maven, GitLab, Version Control - Testing: Mockito, JUnit, Test-Driven Development (TDD) - Databases: MySQL, Firebase, NoSQL - Mobile Applications, SDKs, Multithreading, Automotive Development, REST APIs, Continuous Integration, Continuous Deployment

Team Lead - Senior Mobile Developer

Eikon7 • Fulltime

Oct 2018 - Apr 2021 • 2 yrs 6 mos

I contributed to the development of Food Runner, an on-demand food delivery app designed to connect users with a wide range of restaurants and food options anytime, anywhere. The app allows users to select their location, browse nearby restaurants, place orders, and enjoy seamless delivery, all with real-time tracking and multiple payment options. Key achievements and features include: Core Features: - Real-Time Order Tracking: Enabled live GPS tracking for customers to monitor their orders and delivery personnel in real-time. Multiple Payment Options: Integrated a wide variety of payment methods to ensure a smooth and convenient checkout experience for users. Geo-Fencing: Implemented geo-fencing to enhance location-based services, providing accurate restaurant suggestions based on the user's current location. - SDK and API Integrations: Firebase SDK Integration: Integrated multiple Firebase services such as Performance Monitoring, Event Tracking, Crashlytics for error reporting, In-App Messaging, Remote Config for dynamic updates, and Push Notifications for timely alerts. Facebook SDK Integration: Seamlessly integrated Facebook SDKs to support social login and engagement features within the app. Google Maps API: Used Google Maps API to enable accurate location tracking, restaurant location display, and optimized delivery routes. - Support System: Zendesk Chat Integration: Integrated Zendesk for real-time customer support, allowing users to chat directly with the support team to resolve issues quickly. - Additional Highlights: Firebase Analytics & Events: Set up detailed event tracking to monitor user behavior, app performance, and engagement metrics. Firebase In-App Messaging: Implemented in-app messaging to communicate promotions, order updates, and important notifications to users directly within the app. Firebase Crashlytics: Enhanced app stability by utilizing Crashlytics for real-time crash reporting and debugging.

Android Developer

CodeMaze Pvt.Ltd • Fulltime

May 2017 - Oct 2018 • 1 yr 5 mos

As a skilled developer, I worked on a diverse range of features across various types of applications, enhancing functionality and user experience. My expertise includes developing and integrating multiple components to create robust and dynamic applications. Key Responsibilities: - Push Notifications & Services: Implemented push notifications and background services to enhance user engagement. - API Integration: Integrated various web APIs, including JSON responses from Facebook, YouTube, and Google Maps. - Session Management & Fragments: Managed user sessions and utilized fragments to improve application navigation and performance. - AdMob Integration: Incorporated AdMob for monetization through in-app advertisements. - Network Libraries: Utilized libraries such as Volley and Retrofit for efficient network operations and data handling. - Responsive Design: Developed responsive designs ensuring compatibility across all device sizes and orientations. - Database Connectivity: Established and maintained database connectivity using SQLite for data storage and retrieval. - App Publishing: Successfully published applications on the Google Play Developer Console, managing app releases and updates. - In-App Purchases: Implemented in-app purchase functionality to enhance user experience and drive revenue.