SELECTED PROJECTS

Flutter Developer Portfolio — Production Apps & Case Studies

Sathish G2026
Flagship / Active Dev

VoiceVertick AI — Autonomous Voice Telephony & Lead CRM

An ultra-low latency (<800ms) autonomous voice-AI telephony platform built for regional & Indic business communication. Features live bidirectional audio streaming, no-code Agent Studio, continuous self-learning objection engine, sub-second lead qualification (HOT/WARM/COLD), and per-second double-entry ledger billing.

Node.jsWebSocketTwilio Media StreamsSarvam AICartesia SonicGPT-4o-miniPrismaPostgreSQLRazorpay
Sathish G2026
Real-Time WebSocket Gateway

FlatSMS — Android SMS Gateway SaaS

A high-throughput cloud control plane and real-time WebSocket gateway transforming commodity Android devices with domestic SIM cards into programmable, API-addressable 2-way SMS telecommunication infrastructure.

Node.jsExpress 5WebSocketBullMQReact 19KotlinPrismaPostgreSQL
Sathish G2026
Live on Google Play

Mayiliragu Academy LMS

An enterprise-grade Learning Management System (LMS) serving 1,000+ active learners with a 4-tier architecture — Flutter student app, React 19 admin portal, Node.js/Prisma backend on AWS EC2, and a Flutter desktop video processor.

FlutterReact 19Node.jsPrismaPostgreSQLAWS EC2FirebaseDocker
Sathish G2026
Live on Google Play

MyShop — Grocery Business Manager POS

An offline-first enterprise grocery Point of Sale (POS) and inventory management ERP with sub-second barcode checkout, ESC/POS Bluetooth thermal printing, double-entry stock/cash ledgers, Drift SQLite offline sync, and Next.js 14 Super Admin Portal.

FlutterDrift SQLiteNode.jsTypeScriptExpress 5PrismaPostgreSQLNext.js 14ESC/POS ThermalBarcode Scanner
Sathish G2026
Live on Google Play

Judah Food Delivery

A real-time food delivery platform with 3 Flutter apps (customer, restaurant, rider) and a Node.js backend — featuring live GPS tracking via Socket.io, Razorpay payments, Redis queuing, and Google Maps route rendering. Live on Google Play.

FlutterNode.jsSocket.ioPrismaPostgreSQLRedisFirebaseRazorpay
Sathish G2026
Meta Business API

WhatsApp Sender Automation

A developer automation utility and SaaS tool designed for businesses to automate bulk messaging and schedule alerts using Meta's Cloud APIs.

FlutterNode.jsExpressMeta Business APIMongoDB
Sathish G2026
Qdrant Vector DB

RAG System & Chatbot Dashboard

A Retrieval-Augmented Generation system with a Flutter UI, Node.js parser, Qdrant vector index, and Groq LLaMA 3.1 streaming responses with instant citations.

FlutterNode.jsQdrantGroq APIPlaywrightSSE
Sathish G2026
Multi-tenant SaaS

Nest Pilot Hostel SaaS

An offline-first facility management SaaS application designed to digitize rent tracking, automated billing, and maintenance operations.

FlutterSQLiteReactNode.jsPostgreSQLDocker
Sathish G2025
Automated Commissions

Premium Parts ERP

A multi-role automotive supply chain ERP app automating employee check-ins, product QR scanning, daily payout ledgers, and bulk inventory reports. Engineered with Flutter/GetX, Express 5, and Prisma ORM.

FlutterNode.jsGetXPrismaPostgreSQLAWS S3QR ScanPDF Kit
Sathish G2025
5,000+ Downloads

Virtual 2 Live Business HUB

An AI-powered all-in-one platform for shopping, services, VR 360 content, virtual trial rooms, and visual no-code customer journey automation.

FlutterDartAI AutomationVR 360No-Code BuilderREST APIs
Sathish G2025
98% Booking Success

Lalassa: Veterinary & Pet Care

A comprehensive veterinary and pet services application providing veterinary care booking, pet sitting, travel planning, emergency blood banks, and pet adoption matchmaking.

FlutterDartMaps APIService BookingConsultation Portal
Sathish G2025
Real-time Order Logs

Judah Restaurant Partner

A partner-facing mobile app enabling restaurant vendors to manage orders, customize menus, monitor earnings, and coordinate with delivery riders.

FlutterSocket.ioOrder ManagementVendor Operations
Sathish G2025
<100ms Sync Latency

akirva Rider Ecosystem

A real-time ride-hailing ecosystem comprising interconnected Flutter apps for passengers and drivers, achieving sub-100ms state synchronization.

FlutterDartFirebase FirestoreNode.jsMaps API
Sathish G2024
Offline-First SQLite

Splendour Park Management

An enterprise-level operations and business management software custom-built to handle menswear manufacturing, wholesale billing, and labor tracking.

FlutterSQLiteNode.jsExpressAWS S3PDF Gen
Sathish G2024
10,000+ Active Users

Ovantica: Buy & Sell Gadgets

A secure re-commerce marketplace in India for buying refurbished gadgets and selling second-hand devices, featuring free doorstep pickups and 47-point quality tests.

FlutterDartRe-commerceAPI IntegrationSecure Checkout
Sathish G2024
B2B Supply Chain

Clean Culture Vendor

A dedicated partner platform for managing product supply, inventory readiness, real-time delivery coordination, and warehouse pickup logistics.

FlutterDartOperations TrackingInventory MgmtLogistics
Sathish G2024
Cross-Border Logistics

INMALL Indian Marketplace

A one-stop multivendor marketplace connecting Indian local sellers with customers in Hong Kong for restaurants, groceries, healthcare services, and movie ticketing.

FlutterDartMultivendor E-comTicketingLogistics

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