Overview
This case study explores the development of a comprehensive eSIM platform that enables users to purchase and manage eSIMs for global travel. The platform includes a Next.js frontend with SEO optimization, a Golang REST API backend, a MyAccount CRM, a Resellers CRM, and integrations with Stripe and TRC20 USDT for payments. The system also includes Google, Facebook, and Org tracking for analytics and marketing.
Business Challenge
The client needed a scalable eSIM platform that could:
- Provide a seamless user experience for purchasing and activating eSIMs.
- Support SEO optimization for organic traffic growth.
- Allow resellers to manage their customers and commissions.
- Offer multiple payment options (Stripe for fiat, TRC20 USDT for crypto).
- Track user behavior with Google Analytics, Facebook Pixel, and custom Org schema.
- Ensure high performance and security for transactions.
Solution Architecture
1. Frontend: Next.js with SEO & Tracking
- Framework: Next.js (React-based) for SSR (Server-Side Rendering) and SEO optimization.
- SEO Schema: Structured data (Org schema) for better search engine visibility.
- Tracking Integrations:
- Google Analytics & Tag Manager for user behavior tracking.
- Facebook Pixel for ad retargeting.
- Custom event tracking for conversions.
- Dynamic Product Pages: Optimized for search engines with metadata, OpenGraph, and JSON-LD.
2. Backend: Golang REST API
- Language: Golang (for high performance and concurrency).
- API Design: RESTful architecture with JWT authentication.
- Key Features:
- User authentication & profile management.
- eSIM inventory management.
- Order processing & payment validation.
- Webhook integrations (Stripe, USDT blockchain monitoring).
3. MyAccount CRM (Next.js)
- Self-service portal for users to:
- Purchase new eSIMs.
- Track active eSIMs.
- View transaction history.
- Update payment methods (Stripe/USDT).
4. Resellers CRM (Next.js)
- Dashboard for resellers to:
- Manage their customers.
- Track commissions.
- Generate referral links.
- Withdraw earnings (Stripe/USDT).
5. Payment Gateways
- Stripe Integration:
- Credit/debit card processing.
- Subscription management (for recurring plans).
- TRC20 USDT (Crypto Payments):
- Blockchain transaction validation.
- Automatic balance updates upon confirmation.
6. Security & Compliance
- Data Encryption: TLS 1.3 for API communications.
- Fraud Prevention: Stripe Radar for fiat payments.
- Crypto Security: Multi-signature wallet for USDT transactions.