Muhammad Sarosh M.Sarosh
Open to on-site, remote & relocation opportunities
Muhammad Sarosh — Senior Mobile Engineer

Muhammad Sarosh

Senior Mobile Engineer • Flutter Specialist • BLE & IoT Expert

Product-focused Mobile Engineer with deep expertise in cross-platform architecture, Bluetooth-connected products, and native integrations. Proven success shipping production Flutter apps from first architecture decision to App Store and Google Play release.

Explore Projects → Contact Me ⇩ Download Resume

About Me

Professional Summary

Senior Mobile Engineer with 5+ years of experience building, scaling, and releasing cross-platform products for connected hardware, consumer services, sports technology, and location-aware experiences.

Specialized in Flutter architecture, BLE/GATT communication, Riverpod, REST APIs, Firebase, and native Android/iOS SDK integration using Kotlin, Swift, and platform channels.

Comfortable owning the full delivery lifecycle—from product discovery and clean architecture to CI/CD, store releases, analytics, monetization, mentoring, and production support.

📱 Mobile Engineering

FlutterDartRiverpodClean ArchitectureMVVMResponsive UIApp StoreGoogle Play

📡 BLE & Connected Devices

BLE GATTDevice PairingAuto-ReconnectOTA UpdatesPacket ProtocolsIoTRFID

🔗 Platforms & Backends

REST APIsFirebaseNode.jsKotlinSwiftPlatform ChannelsGoogle Maps

🚀 Delivery & Growth

CI/CDGitHub ActionsFastlaneAnalyticsAdaptySuperwallMentoring

Work Experience

5+ years delivering connected mobile products, consumer apps, and production-grade Flutter systems

1

Mobile Engineer

Easy To Use Apps SRL

FreelanceRemote

Key Achievements

  • Build mobile monetization and growth systems using Adapty, Superwall, Facebook, and Mixpanel funnels.
  • Develop Node.js cloud functions for authentication and scheduled data workflows.
  • Improve product experimentation through reliable event tracking, paywall flows, and subscription analytics.

Technologies Used

FlutterDartAdaptySuperwallMixpanelNode.js
2

Software Engineer – Mobile

Elite IT Team

Full-timeRemote

Key Achievements

  • Owned delivery of five Flutter products across student life, events, beauty discovery, sports, and connected hardware.
  • Designed maintainable app architecture, backend synchronization contracts, payments, maps, notifications, and multilingual experiences.
  • Automated iOS and Android releases, reducing build-to-tester time from about 30 minutes to 10 minutes.
  • Conducted peer code reviews, helped troubleshoot issues, and collaborated on architecture and feature design.

Technologies Used

FlutterRiverpodFirebaseREST APIsCI/CDGoogle MapsIn-App Purchases
3

Mobile Application Developer

Sparkleo Technologies

Full-timePakistan

Key Achievements

  • Built 10+ BLE applications for smart health devices, sports hardware, RFID readers, LED controllers, and environmental monitors.
  • Implemented secure pairing, GATT services, device protocols, automatic reconnection, logging, and OTA firmware workflows.
  • Integrated native Android and iOS SDKs into Flutter through Kotlin, Swift, and platform channels while collaborating closely with embedded engineers.
  • Mentored junior developers on BLE integration via practice projects and docs; reviewed code and set device-communication patterns.

Technologies Used

FlutterBLE GATTKotlinSwiftNative Android SDKsNative iOS SDKsPlatform ChannelsOTAAES EncryptionIoT

Featured Projects

Mobile products that connect software, people, and the physical world

Connected Hardware Sparkleo Technologies | 2023
BlueDash icon

BlueDash — No-Code BLE Platform

A reusable mobile platform for discovering, testing, monitoring, and controlling custom Bluetooth devices through configurable dashboards.

ReusableDevice UILiveGATT DataCross-platformFlutter
Download on theApp Store Get it onGoogle Play
BlueDash dashboard screenBlueDash device control screenBlueDash live data screenBlueDash configuration screen

🚀 Key Achievements

  • Created reusable dashboards for custom BLE characteristics
  • Implemented reliable device discovery and reconnection
  • Shipped production releases for iOS and Android

⚙️ Technologies

FlutterBLE GATTRiverpodIoT
Sports Technology Sparkleo Technologies | 2022–2023
Plyomat icon

Plyomat 2.0

A Bluetooth sports-measurement app that converts live hardware data into actionable plyometric metrics, session analysis, and CSV exports.

Real-timeLive MetricsBLEHardware LinkCSVData Export
Download on theApp Store Get it onGoogle Play
Plyomat session screenPlyomat athlete screenPlyomat metrics screenPlyomat results screen

🚀 Key Achievements

  • Decoded device packets into real-time jump metrics
  • Built session reviews and athlete performance history
  • Delivered stable data capture under active movement

⚙️ Technologies

FlutterBLEDevice ProtocolsAnalytics
Student Community Elite IT Team | 2024–2025

UniX — University X

A connected student-life platform for housing, campus community, local discovery, transport, study tools, and everyday services.

6+Core ModulesMap-ledDiscoveryLiveStore Release
Download on theApp Store Get it onGoogle Play
UniX home screenUniX university community screenUniX discovery screenUniX services screenUniX profile screen

🚀 Key Achievements

  • Unified multiple student services in one coherent app
  • Integrated Firebase, location, maps, and community features
  • Published production apps across both stores

⚙️ Technologies

FlutterFirebaseGoogle MapsREST APIs
Events & Ticketing Elite IT Team | 2023–2024
Outdey icon

Outdey

An end-to-end event platform spanning discovery, social planning, paid and free tickets, organizer workflows, and QR admission.

End-to-endEvent JourneyQRAdmissionLivePayments
Download on theApp Store Get it onGoogle Play
Outdey event discovery screenOutdey event details screenOutdey ticket screenOutdey social screenOutdey profile screen

🚀 Key Achievements

  • Built buyer and organizer flows in one application
  • Integrated ticketing, payments, social planning, and scanning
  • Delivered a polished multi-role consumer experience

⚙️ Technologies

FlutterREST APIsPaymentsQR
Beauty Discovery Elite IT Team | 2024
glo icon

glo

A bilingual personal beauty finder that helps users discover nearby salons and clinics through filters, maps, ratings, reviews, and wishlists.

ArabicRTL SupportNearbyMap SearchTrustedReviews
Download on theApp Store Get it onGoogle Play
glo discovery screenglo salon map screenglo search filters screenglo reviews screen

🚀 Key Achievements

  • Built location-first discovery and recommendation flows
  • Delivered complete Arabic RTL and English experiences
  • Combined filtering, reviews, favorites, and maps

⚙️ Technologies

FlutterGoogle PlacesMapsArabic RTL

Skills & Achievements

Technical depth across mobile architecture, connected hardware, delivery, and product growth

📱 Mobile Development

Flutter & Dart95%

Riverpod & Architecture92%

Responsive UI93%

Store Delivery90%

📡 BLE & Native

BLE / GATT95%

Device Protocols92%

Kotlin / Android SDKs86%

Swift / iOS Integration78%

☁️ Backend & Services

REST APIs92%

Firebase90%

Node.js82%

Google Maps & Places88%

🚀 Delivery & Growth

CI/CD & Fastlane88%

Analytics & Funnels85%

Subscriptions & IAP84%

Technical Leadership88%

Professional Achievements

🏆 15+

Projects Delivered

Production mobile products across multiple industries

📡 10+

BLE Applications

Connected apps for real-world hardware and IoT devices

⚡ 3×

Faster Delivery

Release automation cut build-to-tester time from 30 to 10 minutes

📲 5

Published Products

Consumer apps released across App Store and Google Play

Tools & Technologies

FlutterDartRRiverpodAndroid StudioXcodeKotlinSwiftFirebaseNode.jsGitHub ActionsFastlanePostmanFigmaMixpanelAAdaptySSuperwallGoogle MapsREST APIsGitJira

Let’s Connect

Have a product, role, or connected-device challenge in mind? I’d love to hear about it.

Let’s Get in Touch

Whether you’re looking for a senior mobile engineer, Flutter specialist, BLE consultant, or project collaborator—feel free to reach out. I enjoy meaningful technical conversations and ambitious product work.

✉Emailsarosh.mobileengineer@gmail.com
⌖LocationPakistan · Remote & relocation ready
inLinkedIn/in/sarosh-tahir ⌘GitHub@sarosh4271

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