Full-Stack eSIM Platform with Next.js & Golang

The brief

This eSIM platform successfully combined Next.js for SEO-friendly frontends, Golang for a high-performance backend, and secure payment gateways (Stripe & USDT). The inclusion of CRM systems for users and resellers improved engagement, while advanced tracking optimized marketing efforts. The result was a scalable, secure, and user-friendly eSIM marketplace with global reach.

Project Description

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.

Design

eSIM - in4system web development
eSIM - in4system web development
eSIM - in4system web development

Creativity reimagined

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