Shreeman Arjun Sahu Shreemanarjun

🚀 Experience	📲 Downloads	🌍 Users	⭐ Top Rating	📦 pub.dev packages
4+ Years	1M+	16K+ Active	4.9 ★	5 Packages

👨‍💻 About Me

class ShreemanArjun {
  final String role    = "Senior Flutter Engineer & Mobile Architect";
  final String based   = "Angul, Odisha, India";
  final int    years   = 4;                          // years in production Flutter
  final List   shipped = ["Audionotes", "Aeon Wallet", "Panha", "Hxpert", "Mawani"];
  final String impact  = "1M+ downloads · 16K+ active users · 4.9★ rating";
  final List   oss     = ["Datum", "Formix", "Nitro", "flutter_sharez"];
  final String channel = "https://youtube.com/@FlutterExplorer";
  final String motto   = "Offline-first. AI-powered. Shipped.";
}

Specialises in offline-first, AI-powered mobile experiences — from real-time clinical workflows to voice transcription at scale in 99+ languages. Full-stack across Flutter/Dart/Kotlin on mobile and FastAPI, Ktor, Spring Boot on the backend. Has led products end-to-end across 6 shipped apps on iOS and Android.

🛠️ Tech Stack

📱 Mobile & Frontend

🧠 State Management & Architecture

⚙️ Backend

🗄️ Data & Infrastructure

🔧 DevOps & Tools

🚀 Featured Projects

🎙️ Audionotes

AI Voice Notes · Real-time Transcription

Transcription in 99+ languages, GPT summaries, meeting minutes, WhatsApp integration. Offline-first + Supabase real-time sync. Built client-side GPT rate limiting to control API costs at scale.

💳 Aeon Wallet

Fintech eWallet · 1M+ Downloads

QR payments, split bills, recurring payments. End-to-end API body encryption, root detection, screenshot prevention — built to fintech compliance standards.

🏥 Panha — Palliative Care

Multi-role Clinical Platform · Offline-first

Multi-center clinical workflows — home visits, follow-ups, hospital registration — with offline state persistence and real-time coordination via WebSockets.

🔧 Hxpert — Service Booking

Two-sided Marketplace · Real-time Tracking

Uber-style real-time partner tracking, Razorpay payments, Firebase push notifications. Separate user + partner apps sharing one backend.

⚓ Mawani Port Management

Saudi Port Authority · Vessel Operations

Full docking-to-loading workflows — vessel arrival, berth assignment, cargo loading, departure clearance — with offline state sync for low-connectivity dock environments.

💼 Lead Flow + More

Loan Processing · Fintech

Dynamic document submission, geotagged image capture, and a clean lender dashboard for fast loan processing. Also delivered Ensemble (stock management with QR tracking + audit reports) and Symphony (full e-commerce across warehouse → customer).

📦 Open Source — pub.dev

Package	Description	Downloads	Links
🔄 Datum	Offline-first data sync framework · auto local-remote sync · conflict resolution
📋 Formix	Async form state management · multi-step validation · reduces boilerplate
⚡ Nitro	High-performance native module system · `.native.dart` spec-generated bridges
📂 flutter_sharez	Cross-platform P2P file sharing · resumable downloads · QR · multilingual
🧱 riverpod_arch	Production Flutter template · Riverpod · Auto Route · Dio · flex_color_scheme · Hive