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Senior
Registration: 09.05.2026

Ahmad Hussain

Specialization: Android Developer
— Senior Android Developer with 9+ years of experience delivering production-grade mobile applications across Automotive, Healthcare, IoT, Fintech, and E-commerce domains. — Deep expertise in Kotlin, Java, Jetpack Compose, Kotlin Multiplatform (KMP), Compose Multiplatform (CMP), and Flutter. — Proven track record architecting scalable, high-performance apps using MVVM, MVI, Clean Architecture, and SOLID principles. — Hands-on experience with BLE/IoT protocols, CI/CD automation (Fastlane, GitHub Actions), TDD, cloud services (AWS, Firebase), and leading cross-functional Agile teams. — Delivered 25+ production apps with measurable improvements in performance, stability, and user engagement. — Integrating AI-assisted development and AI agents across the software lifecycle to enhance productivity, automate repetitive tasks, and improve code quality. — Experienced in leveraging AI for code generation, debugging, test automation, documentation, and CI/CD optimization, enabling faster and more reliable delivery pipelines. Key Achievements: — Delivered 25+ production applications across Automotive, E-commerce, IoT, Fintech, and Healthcare domains with consistent 4.5+ Play Store ratings. — Reduced app crash rate by 85% through proactive Firebase Crashlytics monitoring, ANR analysis, and robust error handling strategies. — Improved app performance by 40% and memory efficiency by 30% through systematic profiling, leak detection (LeakCanary), and architectural refactoring. — Established TDD culture with 3,000+ automated test cases and 80%+ code coverage across multiple projects. — Mentored 10+ junior and mid-level developers in Kotlin, Clean Architecture, Jetpack Compose, and modern Android best practices. — Earned Claude Code 101 Certificate (Anthropic) – demonstrating proficiency in AI-assisted development workflows and agentic coding with Claude Code.
— Senior Android Developer with 9+ years of experience delivering production-grade mobile applications across Automotive, Healthcare, IoT, Fintech, and E-commerce domains. — Deep expertise in Kotlin, Java, Jetpack Compose, Kotlin Multiplatform (KMP), Compose Multiplatform (CMP), and Flutter. — Proven track record architecting scalable, high-performance apps using MVVM, MVI, Clean Architecture, and SOLID principles. — Hands-on experience with BLE/IoT protocols, CI/CD automation (Fastlane, GitHub Actions), TDD, cloud services (AWS, Firebase), and leading cross-functional Agile teams. — Delivered 25+ production apps with measurable improvements in performance, stability, and user engagement. — Integrating AI-assisted development and AI agents across the software lifecycle to enhance productivity, automate repetitive tasks, and improve code quality. — Experienced in leveraging AI for code generation, debugging, test automation, documentation, and CI/CD optimization, enabling faster and more reliable delivery pipelines. Key Achievements: — Delivered 25+ production applications across Automotive, E-commerce, IoT, Fintech, and Healthcare domains with consistent 4.5+ Play Store ratings. — Reduced app crash rate by 85% through proactive Firebase Crashlytics monitoring, ANR analysis, and robust error handling strategies. — Improved app performance by 40% and memory efficiency by 30% through systematic profiling, leak detection (LeakCanary), and architectural refactoring. — Established TDD culture with 3,000+ automated test cases and 80%+ code coverage across multiple projects. — Mentored 10+ junior and mid-level developers in Kotlin, Clean Architecture, Jetpack Compose, and modern Android best practices. — Earned Claude Code 101 Certificate (Anthropic) – demonstrating proficiency in AI-assisted development workflows and agentic coding with Claude Code.

Skills

Kotlin
Java
Dart
Python
JavaScript
PHP
HTML
CSS
Jetpack Compose
Flutter
XML Layouts
Material Design 3
Responsive UI Design
Architecture design
Design Patterns
Room
ViewModel
LiveData
CameraX
Dagger 2
RxJava
Networking
SQLite
Realm
Hive
Drift
Firebase Realtime Database
Firestore
DataStore
Testing
Firebase
AWS
OAuth 2.0
JWT
REST
GraphQL
CI/CD
Analytics
Git
JIRA
Figma
Postman
Android Studio
IntelliJ IDEA
Agile
Scrum
LLM
Debugging
Artificial Intelligence

Work experience

Senior Software Engineer
since 04.2021 - Till the present day |MRS Technologies
Kotlin, Jetpack Compose, MVVM, Dagger, BLE (GATT), CAN J1939, OBD-II, MQTT, Room, Fastlane, JUnit, Espresso, Hilt, AWS Cognito, AWS Amplify, BLE, NRF Mesh, MQTT, Flutter, Dart, GetX, BLE, CAN Protocol, Deep Linking, XML Parsing, Accelerometer, Gyroscope
● Architected and delivered 4 production applications across Automotive and IoT domains using Kotlin, Flutter, Jetpack Compose, Clean Architecture, and MVVM/MVI patterns. ● Designed BLE communication layer supporting CAN/J1939, OBD-II, and NRF Mesh protocols for real-time device pairing, data exchange, and OTA firmware updates. ● Implemented MQTT-based publish/subscribe messaging for bidirectional real-time communication between mobile apps and connected embedded hardware. ● Established end-to-end CI/CD pipelines using Fastlane and GitHub Actions with automated Play Store deployment, versioning, and Microsoft Teams notifications. ● Integrated AWS Cognito and AWS Amplify for secure OAuth 2.0 authentication, device provisioning, and role-based authorization in IoT-connected apps. ● Achieved 3,000+ automated test cases across unit (JUnit, Mockito) and UI (Espresso, UI Automator) layers; enforced TDD practices across all sprints. ● Led Agile ceremonies, code reviews, and sprint planning; collaborated with embedded and backend engineers to deliver features on schedule. Key Projects: 1. ConnectedLogger - Automotive Fleet Management. Tech: Kotlin, Jetpack Compose, MVVM, Dagger, BLE (GATT), CAN J1939, OBD-II, MQTT, Room, Fastlane, JUnit, Espresso. ● Native Android app for real-time vehicle fleet monitoring – BLE device discovery, secure pairing, CAN signal streaming, GPS tracking, and flash log export. ● Built reactive live data dashboard for CAN signals and vehicle events; designed Room persistence layer for offline log storage and backend sync. ● Automated Play Store CI/CD with Fastlane; achieved high stability with JUnit/Mockito unit tests and Espresso/UI Automator UI automation. 2. MTronic - Smart Home Automation. Tech: Kotlin, Jetpack Compose, MVVM, Hilt, AWS Cognito, AWS Amplify, BLE, NRF Mesh, MQTT, Fastlane. ● Android app for smart home device control – scenes, automations, and device management via AWS Amplify with OAuth 2.0 via AWS Cognito. ● Implemented BLE provisioning and NRF Mesh networking for seamless onboarding and OTA firmware updates of smart home hardware. 3. NX NextHMI - Automotive Gateway. Tech: Flutter, Dart, GetX, BLE, CAN Protocol, Deep Linking, XML Parsing, Accelerometer, Gyroscope. ● Cross-platform vehicle control gateway with dynamic UI generated from XML config files, deep linking, and real-time CAN data over BLE. ● Integrated motion sensor controls (accelerometer, gyroscope) for remote vehicle operations including doors, ignition, windows, horn, and climate. 4. Mafell AG - Construction Tool. Tech: Flutter, Dart, Flutter Canvas, CustomPainter, Drift Database, Unit Testing (3,000+ cases). ● German construction app for brick wall layout planning – custom cutting angle algorithms rendered with Flutter Canvas and CustomPainter. ● Robust offline-first architecture using Drift database; comprehensive automated test suite with 3,000+ unit test cases.
Senior Mobile Developer
08.2022 - 03.2024 |AI Nexus Healthcare
Flutter, BLoC, Socket.IO, CameraX, Stripe, Firebase (Analytics, Crashlytics), Google Maps, Retrofit, RxJava, SSL Pinning
● Built and scaled a telemedicine platform serving 10,000+ active users using Flutter, Dart, and BLoC state management. ● Developed real-time biometric monitoring with live face and finger vital sign detection using camera frame streaming, CameraX, and Socket.IO dashboards. ● Implemented SSL certificate pinning, encrypted REST APIs, and JWT-based authentication to meet HIPAA data security and privacy requirements. ● Integrated Stripe payment gateway with fraud prevention logic and Google Maps SDK with custom geofencing for location-aware features. ● Delivered 30% reduction in memory usage, 40% faster load times, and 80%+ unit test coverage through systematic performance profiling and testing. Key Project: Mia Vitals - Telemedicine & Remote Patient Monitoring. Tech: Flutter, BLoC, Socket.IO, CameraX, Stripe, Firebase (Analytics, Crashlytics), Google Maps, Retrofit, RxJava, SSL Pinning. ● Telemedicine app for 10,000+ users with real-time biometric vitals (face and finger detection), live dashboards, and secure video consultations. ● Achieved 30% memory reduction and 40% load time improvement; 80%+ test coverage; Stripe payments with fraud prevention and geofencing.
Team Lead – Mobile Developer
10.2018 - 04.2021 |Eikon7 - Creative
Java, Android, MVVM, Google Maps SDK, Socket.IO, Firebase Suite, JazzCash, Easypaisa, Geo-Fencing API
● Led a cross-functional team of 5 engineers to build and ship a multi-app food delivery ecosystem (Customer, Rider, Restaurant) using native Android (Java) and MVVM. ● Owned full product release lifecycle: app signing, Play Store ASO, phased rollouts, feature flagging via Firebase Remote Config, and hotfix management. ● Integrated local payment gateways (JazzCash, Easypaisa, Bank Alfalah), in-app wallet, and automated salary disbursement engine for riders. ● Deployed Firebase suite (FCM, Auth, Crashlytics, Analytics, Remote Config) with ML-based fraud detection and real-time monitoring dashboards. ● Mentored 5+ junior developers through structured code reviews, pair programming, and architecture workshops on MVVM and Clean Architecture. Key Project: FoodRunner - On-Demand Food Delivery Platform. Tech: Java, Android, MVVM, Google Maps SDK, Socket.IO, Firebase Suite, JazzCash, Easypaisa, Geo-Fencing API. ● 3-app ecosystem (Customer, Rider, Restaurant) with real-time GPS order tracking, Socket.IO live chat, geo-fencing, and revenue analytics dashboards. ● Integrated 3 local payment gateways, in-app wallet, automated rider salary engine; deployed Firebase suite for auth, push notifications, and fraud detection.
Android Developer
05.2017 - 10.2018 |Codemaze
RESTful API, Retrofit2, OkHttp3, Jetpack Compose, XML, Room Database, SQLite
● Developed consumer Android apps consuming RESTful APIs (Google Maps, YouTube, Facebook Graph) with Retrofit2, OkHttp3, and fragment-based navigation. ● Implemented FCM push notifications, background services, AdMob integration, and in-app purchases (IAP) to drive engagement and monetization. ● Developed responsive UI with Jetpack Compose and XML; managed local data using Room Database and SQLite; published releases via Fastlane CI/CD. ● Configured ProGuard/R8 for code shrinking, obfuscation, and optimization to improve app performance and security.

Educational background

Data Science (Masters Degree)
2019 - 2021
Shaheed Zulfikar Ali Bhutto Institute of Science & Technology
Software Engineering (Bachelor’s Degree)
2014 - 2018
Federal Urdu University of Arts, Sciences & Technology

Languages

EnglishUpper Intermediate