Faizan A.

𝐒𝐄𝐍𝐈𝐎𝐑 𝐌𝐎𝐁𝐈𝐋𝐄 𝐀𝐏𝐏 𝐃𝐄𝐕𝐄𝐋𝐎𝐏𝐄𝐑 | 𝐅𝐋𝐔𝐓𝐓𝐄𝐑, 𝐀𝐍𝐃𝐑𝐎𝐈𝐃, 𝐢𝐎𝐒 & 𝐑𝐄𝐀𝐂𝐓 𝐍𝐀𝐓𝐈𝐕𝐄 | 𝐀𝐈 Senior Mobile Developer with 10+ years shipping production apps across Flutter, native Android, native iOS (Swift), and React Native — specialised in point-of-sale (POS) systems, card-present payment processing, and warehouse/logistics mobile apps that most mobile app developers have never touched. ★ Top Rated | 100% Job Success Score ★ 10+ years — Flutter, Kotlin, Swift, React Native ★ Led a team of 8 engineers on a POS system live in 35+ retail stores ★ Apps shipped to Google Play and Apple App Store, one with 1M+ installs at 4.6★ I don't just build screens — I build the systems behind them, where a bug means lost money, not just a bad review. ◆ 𝗪𝗛𝗔𝗧 𝗜 𝗔𝗖𝗧𝗨𝗔𝗟𝗟𝗬 𝗕𝗨𝗜𝗟𝗗 ◈ Point-of-sale (POS) and payment apps — multi-tender split payments, EMV card-present integration (Elavon, Ingenico, PAX), promotions and tax engines ◈ Warehouse and inventory apps — barcode scanning (ML Kit, ZXing, DataWedge), offline-first sync, hardware peripherals (printers, cash drawers, displays) ◈ IoT and hardware-connected apps — BLE/NFC device communication, fleet and asset management, ride-hailing and Maps-based tracking ◈ B2B/B2C ordering and e-commerce apps — Auth0 authentication, multi-store account management ◈ Flutter Desktop apps — time-tracking and productivity tools (Hubstaff-style) ◈ Standard mobile fundamentals — Firebase, REST/GraphQL APIs, push notifications, in-app purchases, CI/CD ◆ 𝗖𝗥𝗢𝗦𝗦-𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠 & 𝗡𝗔𝗧𝗜𝗩𝗘 𝗦𝗧𝗔𝗖𝗞 ◈ Flutter app development — Riverpod, GetX, BLoC, Provider, GoRouter, Dio, Flutter Desktop ◈ Android app development — Kotlin, Jetpack Compose, MVVM/MVI, Clean Architecture, Coroutines, Room, Hilt/Koin ◈ iOS app development — native Swift, Xcode, shipped independently end-to-end ◈ React Native app development — production apps shipped, TypeScript, native module integration ◈ Hardware — NFC, BLE, barcode scanners, POS/payment terminals, sensors ◈ Testing & release — JUnit, Espresso, Mockito, GitHub Actions, TestFlight, Play Store & App Store deployment ◆ 𝗣𝗥𝗢𝗢𝗙, 𝗡𝗢𝗧 𝗝𝗨𝗦𝗧 𝗖𝗟𝗔𝗜𝗠𝗦 Naheed.pk (e-commerce) — 500,000+ downloads, live on Google Play Speedometer (fitness/GPS) — 1,000,000+ downloads, live on Google Play Dolphin POS — retail point-of-sale live across 35 stores, led an 8-engineer team Lingerie POS — deployed across 20 stores, ~1,000 transactions/day, 5,000-SKU catalog STMA — B2B wholesale ordering app live on both Google Play and the Apple App Store Genesis AI POS — EMV card-present payments via Elavon and Ingenico, split-tender payment flow, live on 6 terminals eJobber — fuel delivery and fleet management app, feature-first Clean Architecture across 170+ Dart files PhoneCheck — mobile hardware diagnostics app used to certify ~100 devices/day across resellers in the US, China, and other markets Every project above is a real, verifiable link — check my portfolio and Play Store history rather than taking my word for it. ◆ 𝗕𝗨𝗜𝗟𝗗 • 𝗙𝗜𝗫 • 𝗦𝗖𝗔𝗟𝗘 ◈ Build a new Flutter, Android, iOS, or React Native app from scratch, from requirements or Figma ◈ Add payment processing, card-present payments, or a full POS module to an existing app ◈ Take over and stabilize an inherited, unstable, or poorly-documented codebase ◈ Integrate hardware — barcode scanners, receipt printers, card terminals, BLE/NFC devices, IoT peripherals ◈ Migrate a legacy app (Java/XML) to modern Kotlin + Jetpack Compose or to Flutter ◈ Debug a specific production issue — crashes, ANRs, payment SDK failures, sync bugs ◈ Lead or support a mobile team as a senior/lead developer on a larger build ◈ Port an existing native app to Flutter or React Native, or vice versa ◈ Prepare and submit an app for Google Play or Apple App Store release ◆ 𝗖𝗢𝗥𝗘 𝗠𝗢𝗕𝗜𝗟𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 Senior Mobile App Developer • Mobile App Developer • Senior Flutter Developer • Flutter Developer • Mobile App Development • React Native Development • iOS Developer • iOS Development • Android App Developer • Android App Development • AI Mobile App Developer • AI Mobile App Development • AI App Development • TypeScript • Expo • API Integration • Firebase • Supabase • Push Notifications • In-App Purchases • OpenAI API • Senior iOS Developer • Senior Android Developer • Cross-Platform Mobile App Developer • React Native App Developer • Mobile Application Developer • Cross-Platform App Developer If you are building a new mobile product, improving an existing Flutter OR React Native app, or adding AI to an iOS & Android application, send me your Figma, requirements, live app, or technical issue. I’ll tell you what I would keep, what I would change, where I see the main risk, and what I would build first.