Senior Android Developer with 9+ years of experience delivering production-grade mobile applications across Automotive, Healthcare, IoT, Fintech, and E-commerce domains.

I specialize in architecting scalable, high-performance apps using modern Android patterns and have delivered 25+ production applications with consistent 4.5+ Play Store ratings. Deep expertise in Kotlin, Java, Jetpack Compose, KMP/CMP, and Flutter, with a proven track record in BLE/IoT protocols, CI/CD automation, and leading cross-functional Agile teams.

val ahmad = Developer(
    name        = "Ahmad Hussain",
    role        = "Senior Android Developer",
    experience  = "9+ Years",
    location    = "Islamabad, Pakistan",
    languages   = listOf("Kotlin", "Java", "Dart", "Python", "JavaScript"),
    passion     = "Building seamless mobile experiences that make a difference"
)

┌─────────────────────────────────────────────────────────────────────────┐
│  MRS Technologies                    Senior Software Engineer           │
│  Islamabad, Pakistan                            Apr 2021 – Present      │
├─────────────────────────────────────────────────────────────────────────┤
│  • Architected 4 production apps across Automotive & IoT (Kotlin,       │
│    Flutter, Jetpack Compose, Clean Architecture, MVVM/MVI)              │
│  • Designed BLE communication layer: CAN/J1939, OBD-II, NRF Mesh,      │
│    GATT, OTA firmware updates                                           │
│  • Established CI/CD with Fastlane + GitHub Actions, automated Play     │
│    Store deployment & Microsoft Teams notifications                     │
│  • Built 3,000+ automated test cases (JUnit, Mockito, Espresso)         │
│  • AWS Cognito & Amplify for OAuth 2.0 auth & device provisioning       │
└─────────────────────────────────────────────────────────────────────────┘

┌─────────────────────────────────────────────────────────────────────────┐
│  AI Nexus Healthcare (Remote – US)   Senior Mobile Developer            │
│                                              Aug 2022 – Mar 2024        │
├─────────────────────────────────────────────────────────────────────────┤
│  • Built & scaled telemedicine platform serving 10,000+ active users    │
│    (Flutter, Dart, BLoC state management)                               │
│  • Real-time biometric monitoring via CameraX & Socket.IO dashboards    │
│  • SSL pinning, encrypted REST APIs, JWT auth – HIPAA compliant         │
│  • 30% memory reduction | 40% faster load times | 80%+ test coverage    │
└─────────────────────────────────────────────────────────────────────────┘

┌─────────────────────────────────────────────────────────────────────────┐
│  Eikon7 Creative                     Team Lead – Mobile Developer       │
│  Islamabad, Pakistan                         Oct 2018 – Apr 2021        │
├─────────────────────────────────────────────────────────────────────────┤
│  • Led 5-engineer team to ship multi-app food delivery ecosystem        │
│    (Customer, Rider, Restaurant) using native Android + MVVM            │
│  • Integrated JazzCash, Easypaisa, BankAlfalah + in-app wallet         │
│  • Deployed full Firebase suite with ML-based fraud detection           │
│  • Mentored 5+ junior developers in MVVM & Clean Architecture           │
└─────────────────────────────────────────────────────────────────────────┘

┌─────────────────────────────────────────────────────────────────────────┐
│  Codemaze Pvt. Ltd                   Junior Android Developer           │
│  Rawalpindi, Pakistan                         May 2017 – Oct 2018       │
├─────────────────────────────────────────────────────────────────────────┤
│  • Built consumer Android apps with Retrofit, OkHttp3 REST APIs         │
│  • FCM push notifications, AdMob, in-app purchases (IAP)               │
│  • Published releases via Fastlane CI/CD; ProGuard/R8 optimization     │
└─────────────────────────────────────────────────────────────────────────┘

┌─────────────────────────────────────────────────────────────────────────┐
│  Softgrip Tech                       Android Developer (Internship)     │
│  Islamabad, Pakistan                          Feb 2017 – May 2017       │
├─────────────────────────────────────────────────────────────────────────┤
│  • Responsive UI, SQLite DB, REST APIs & 3rd-party integrations         │
│  • Published apps on Google Play Developer Console                     │
└─────────────────────────────────────────────────────────────────────────┘

┌─────────────────────────────────────────────────────────────────────────┐
│  Fiverr                              Mobile & Web Developer (Freelance) │
│                                              Dec 2017 – Jul 2022        │
├─────────────────────────────────────────────────────────────────────────┤
│  • 5+ years freelancing: websites, admin panels, e-commerce mobile apps │
└─────────────────────────────────────────────────────────────────────────┘

MRS Technologies · Apr 2021 – Present

Tech Stack: Kotlin Jetpack Compose MVVM Dagger BLE/GATT CAN J1939 OBD-II MQTT Room Fastlane JUnit Espresso

ECE & RED certified smart data logging device for capturing and storing data from multiple machine buses (CAN & LIN). The Android control app handles configuration and maintenance of the Connected Logger hardware device.

• BLE communication for device discovery, secure pairing & real-time CAN signal streaming
• MQTT connections for efficient, lightweight messaging between devices and the Spoke Zone cloud server
• Reactive live data dashboard for CAN signals and vehicle events with Room-based offline log storage
• Automated Play Store CI/CD with Fastlane + GitHub Actions; 3,000+ automated test cases

MRS Technologies · Nov 2022 – Oct 2023

Tech Stack: Flutter Dart GetX BLE CAN Protocol Deep Linking XML Parsing Accelerometer Gyroscope

A groundbreaking integrated hardware-software solution by Arnold NextG for managing secondary vehicle functions via CAN (Controller Area Network) protocol, replacing fragmented auxiliary systems with a single unified interface.

• Dynamic UI loaded from server XML configs — custom configurations & OTA updates without hardware changes
• Controls: doors, windows, cassette lift, warning system, ignition, horn, air conditioning
• Integrated motion sensor controls (accelerometer, gyroscope) for intuitive remote vehicle operation
• Cross-platform delivery on both Android (Play Store) & iOS (App Store)

MRS Technologies · May 2022 – Present

Tech Stack: Kotlin Jetpack Compose MVVM Hilt AWS Cognito AWS Amplify BLE NRF Mesh MQTT Fastlane

Pakistan's most advanced and feature-loaded Home Automation system. Syncs seamlessly to user routines with voice assistant compatibility for the ultimate intelligent home experience.

• Smart device control: scenes, automations & device management via AWS Amplify with OAuth 2.0
• BLE provisioning & NRF Mesh networking for seamless onboarding & OTA firmware updates
• MQTT publish/subscribe for real-time bidirectional communication with smart home hardware

AI Nexus Healthcare · miavitals.com

Tech Stack: Flutter BLoC Socket.IO CameraX Stripe Firebase Google Maps Retrofit RxJava SSL Pinning

Telemedicine platform serving 10,000+ active users with real-time biometric vitals detection (face & finger), live dashboards & secure video consultations. Fully HIPAA-compliant.

• Real-time biometric monitoring via camera frame streaming & Socket.IO dashboards
• SSL certificate pinning, encrypted REST APIs & JWT-based auth for HIPAA data security
• Stripe payment gateway with fraud prevention logic & Google Maps with custom geofencing
• 30% memory reduction · 40% faster load times · 80%+ unit test coverage

Eikon7 · Customer App · Rider App · Restaurant App

Tech Stack: Java Android MVVM Google Maps SDK Socket.IO Firebase Suite JazzCash Easypaisa Bank Alfalah Geo-Fencing Zendesk

3-app ecosystem (Customer, Rider, Restaurant) — real-time GPS order tracking with live delivery monitoring, geo-fencing for location-based restaurant suggestions, and automated rider salary disbursement.

• Integrated 3 local payment gateways (JazzCash, Easypaisa, Bank Alfalah) + in-app wallet
• Firebase suite: FCM, Auth, Crashlytics, Analytics, In-App Messaging, Remote Config
• Zendesk real-time chat support & Socket.IO live order chat
• Facebook SDK, Google Maps API & geo-fencing for smart location-based features

Jan 2018 – Apr 2018

Tech Stack: Android Java Face Recognition Voice Recognition Firebase Islamic Calendar API

A comprehensive Islamic application for Muslims and non-Muslims seeking knowledge about Islam, featuring AI-powered personalization.

• Feeling & thought-based Dua searching via voice recognition
• Face recognition to detect mood and serve personalized Islamic content
• Daily Hadith notifications with detailed explanations
• Islamic & occasion calendar, information about the Holy Prophet ﷺ

FUUAST · Jun 2017 – Oct 2018

Tech Stack: Android Java Firebase Google Maps SQLite

All-in-one app for FUUAST university students to manage academic life efficiently.

• Daily timetable with class reminders & timely notifications
• Assessment & quiz tracker with live peer chat
• Campus navigation with location features
• Academic progress visualization via grade graphs

Aug 2017 – Jan 2018

Tech Stack: Android Java Google Ads SDK Facebook Ads SDK JazzCash API Easypaisa API

A reward-based earning platform where users watch Google and Facebook ads to accumulate earnings, withdrawable via JazzCash or Easypaisa.

Jul 2019 – Sep 2020

Tech Stack: PHP Laravel MySQL REST API

A comprehensive management system for migration candidates across four countries. Users can register, schedule appointments and access tailored resources — streamlining the entire migration process.

Aug 2017 – Dec 2017

Tech Stack: Android Java REST API Video Streaming

Live TV streaming app with 200+ live channels and 500+ VOD channels from USA, UK, Germany, Italy, Asia & the Middle East — covering sports, news, kids, Islamic, Pakistani & Indian drama channels.

Nov 2017 – Jul 2018

Tech Stack: Android Java REST API Google Maps

On-demand food delivery app connecting users with local restaurants for fast, convenient food ordering right to their door.

Dec 2017 – Feb 2018

Tech Stack: Android Java Firebase

Status & media sharing app featuring romantic pics, love quotes, funny content, Qawali, sad & happy love pics and videos — with one-tap WhatsApp status setting.

Jan 2018 – Oct 2018

Tech Stack: Android Java Audio API

Free voice call recording app with easy sharing and playback functionality.

Mar 2017 – May 2017 (Softgrip Tech Internship Project)

Tech Stack: Android Java SQLite Bank API

Intuitive daily budgeting app with income tracking, expense tracking, savings goals, paycheck management, and optional bank account connection for automated transaction tracking.

Android Development     ████████████████████  9+ Years  ⭐⭐⭐⭐⭐
Kotlin / Java           ████████████████████  9+ Years  ⭐⭐⭐⭐⭐
Flutter / Dart          ████████████████░░░░  4+ Years  ⭐⭐⭐⭐
IoT / BLE / CAN Bus     ███████████████░░░░░  4+ Years  ⭐⭐⭐⭐
CI/CD (Fastlane)        ████████████████░░░░  4+ Years  ⭐⭐⭐⭐
AWS / Firebase          ██████████████░░░░░░  5+ Years  ⭐⭐⭐⭐
Data Science / ML       ██████████░░░░░░░░░░  3+ Years  ⭐⭐⭐
Web Dev (Laravel/PHP)   ████████░░░░░░░░░░░░  3+ Years  ⭐⭐⭐

"Code is like humor. When you have to explain it, it's bad." – Cory House