Technical Solutions

We present two distinct technical approaches for implementing the NFM Payment Gateway, each with its own advantages and considerations.

Option A: Enterprise Microservices Architecture

This solution provides a comprehensive, enterprise-grade implementation using Google Cloud Platform's managed services.

Key Characteristics

Technology Stack

• Frontend: Next.js with Tailwind CSS
• Backend: Node.js microservices on Cloud Run/Functions
• Database: Cloud SQL (PostgreSQL) + Firestore
• Infrastructure: GCP managed services
• Deployment: Terraform-based GitOps

Learn more about the Enterprise Solution

Option B: Lightweight Firebase Solution

This solution offers a simpler, cost-optimized implementation using Firebase and Firestore.

Key Characteristics

Technology Stack

• Frontend: Next.js with Tailwind CSS
• Backend: Firebase Functions
• Database: Firestore
• Authentication: Clerk
• Infrastructure: Firebase managed services

Learn more about the Lightweight Firebase Solution

Cost Comparison

Current Monthly Costs:     ฿16,985.29
Proposed Monthly Costs:    ฿2,210 - ฿3,135
Monthly Savings:          ~฿13,850 (78% reduction)

See cost analysis

Implementation Timeline

1. Phase 1: Core Features (4-5 weeks)

   • Firebase project setup
   • Clerk integration
   • Basic user management
   • Recharge system migration

2. Phase 2: Payout System (3-4 weeks)

   • Payout architecture implementation
   • Admin approval workflow
   • Transaction tracking
   • Security measures

3. Phase 3: Enhanced Features (3-4 weeks)

   • Reporting system
   • Analytics dashboard
   • Performance optimizations
   • Documentation

Total Timeline: 10-13 weeks (compared to 19-26 weeks for Option A)

Payout Automation Options

Both technical solutions support two approaches for payout automation:

1. Macro-based Automation

Technical Components:

• Screen recognition system
• Event-driven automation
• Notification handling
• Error recovery mechanisms

2. Android App Interception

Technical Components:

• Network traffic analysis
• Secure API communication
• Background processing
• Real-time monitoring

Decision Factors

Consider these factors when choosing between solutions:

1. Cost Sensitivity

   • Option A: Higher cost, enterprise features
   • Option B: Significant cost savings, simpler infrastructure

2. Development Timeline

   • Option A: 19-26 weeks
   • Option B: 10-13 weeks

3. Operational Complexity

   • Option A: More complex, requires DevOps expertise
   • Option B: Minimal operational overhead

4. Scalability Requirements

   • Option A: Enterprise-grade scalability
   • Option B: Automatic scaling within Firebase limits