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Amitabh Sharma

@amitabhsharma

Senior Software Developer at Mastec who delivered M-Fix, a four-app field-service platform, as its sole engineer.

At Mastec, I designed, built, and delivered M-Fix, a four-app field-service platform, as the sole engineer. The platform served about 1,500 users across 50 markets and included mobile apps, a web app, an admin portal, and a chat agent.

I built M-Fix’s Android and iOS app with React Native and Expo, adding live updates through SignalR and push notifications. I also developed its React admin portal and browser version, and implemented location-based reporting for field operations.

At Amdocs, I built NWM, a live field-service ticketing app for Android and iOS, with real-time chat, updates, and dynamic forms. I managed its Google Play and App Store releases and set up GitHub Actions and Firebase App Distribution pipelines that cut release time by 60%.

Earlier, I launched Rastey Fleet and Zenga TV Android apps, which reached 50K+ installs, and built Amazon Fire TV apps including The Quint. My work also includes health apps that synced with BLE devices and offline-first storage that kept 95% uptime in low-connectivity areas.

Experience

Work history, roles, and key accomplishments

Senior Software Developer

Mastec

Apr 2026 - Oct 2026 (6 months)

Designed, built, and delivered M-Fix, a four-app field-service platform, as the sole engineer in under six months. Owned architecture, development, releases, and project management, serving ~1,500 users across 50 markets.

React Native Expo React SignalR WebSockets Push Notifications TypeScript Redux EAS OTA Updates Code Signing IIS GitHub Actions CI CD

Senior Software Developer

Amdocs

Dec 2019 - Apr 2026 (6 years 4 months)

Built NWM, a live field-service ticketing app for Android and iOS with real-time chat and updates over WebSockets, push notifications, and dynamic forms. Published and managed releases on Google Play and the App Store, and set up CI/CD pipelines with GitHub Actions and Firebase App Distribution.

Kotlin Jetpack Compose Coroutines Flow MVVM Clean Architecture Hilt ROOM WorkManager Retrofit React Native TypeScript Redux GitHub Actions Firebase App Distribution Firebase Crashlytics Agile Scrum

Senior Android Developer

Present Media Pvt. Ltd.

Aug 2017 - Dec 2019 (2 years 4 months)

Launched Rastey Fleet (cab booking) and Zenga TV (streaming) Android apps with 50K+ installs. Built Amazon Fire TV OTT apps, including The Quint, with ExoPlayer, Fire TV SDK, and voice search.

Android Java Google Maps Payment Gateways RxJava MVP ExoPlayer Fire TV SDK Voice Search

Android Developer

Apps Imagica LLP

Oct 2016 - Jul 2017 (9 months)

Developed and maintained 4 Android apps in Java with SQLite, covering UI, API integration, and lifecycle handling.

Android Java SQLite REST APIs UI Development

Android Developer

Public Health Technologies Trust

Sep 2015 - Sep 2016 (1 year)

Delivered two health apps that synced with BLE devices to track vitals in real time. Built offline-first storage for health data, maintaining 95% uptime in low-connectivity areas.

Android BLE Offline first Storage Health Data