Global SMS Verification & eSIM Sales Platform

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Turnkey

Platform for international SMS verification number proxy reception and eSIM data plan sales
Provides automatic lowest-price product recommendations by country and real-time payment system.

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Global SMS Verification & eSIM Sales Platform - Media 1

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Roles

PlanningDesignFrontendBackend

Tech Stack

Next.js

React

TypeScript

Tailwind CSS

Shadcn UI

PostgreSQL

Drizzle ORM

tRPC

TanStack Query

NextAuth.js

BullMQ

Redis

PortOne

Key Features

AI Recommendation System: Automatic lowest-price SMS product recommendation on service selection with real-time inventory filtering
Real-time Order Tracking: SSE-based payment completion notifications, SMS order synchronization for automatic verification code updates
Dual Ordering Methods: Custom pool selection by country/service or auto-recommendation, automatic pool distribution for multiple orders
eSIM Service: Country-specific data plan lookup/purchase, QR code-based activation, purchase history management
Admin Dashboard: Monthly sales statistics, balance monitoring, bulk product price updates, manual user point adjustments

Key Achievements

Redis and BullMQ Background Worker: SMS order synchronization/timeout monitoring using external API
Prepaid Points System: All balance changes tracked with transaction + audit tables
SMS Order Full Lifecycle Logging & Tracking: Order creation → Active order sync → Code receipt → Automatic timeout refund
SSE Real-time Balance Updates: Instant client notification upon payment completion
PG (PortOne) Payment Webhook Security: Payment integrity ensured via HMAC signature verification and amount matching
E2E Type Safety: Full-stack type inference from DB → API → Client with tRPC + Drizzle ORM + Zod

#SMS Verification

#eSIM

#Real-time Sync

#Payment System

#Background Worker

#Admin Dashboard

#Prepaid Balance