SaaS Engineering · FinTech
Enterprise Payment Gateway Platform
A comprehensive enterprise-grade payment gateway platform processing over 2 million transactions daily with 99.99% uptime. Built with microservices architecture, real-time fraud detection, and multi-currency support across 50+ countries. Features advanced analytics, automated reconciliation, and PCI DSS Level 1 compliance. The platform serves 5,000+ merchants globally, handling peak loads of 100,000+ concurrent transactions during Black Friday sales events. Our solution reduced payment processing costs by 40% and increased transaction success rates to 99.7% through intelligent routing and failover mechanisms.
- Client
- SecurePay Global
- Sector
- FinTech
- Scope
- SaaS Engineering
- Timeline
- 8 months
What we built
Processes 2M+ transactions daily with 99.99% uptime and zero security breaches, serving 5,000+ merchants globally
Before: Handling 2M+ daily transactions with sub-100ms latency
After: Implemented microservices architecture for independent scaling
Before: Real-time fraud detection at scale
After: Built real-time fraud detection using ML models with Redis caching
Before: Multi-currency conversion with live exchange rates
After: Integrated multiple payment providers with failover mechanisms
Before: Ensuring zero-downtime deployments
After: Used blue-green deployment strategy for zero-downtime
Before: PCI DSS compliance across entire infrastructure
After: Implemented comprehensive security monitoring and alerting
Also in the build
- Real-time payment processing (sub-100ms latency)
- Multi-currency support (50+ currencies)
- AI-powered fraud detection (99.9% accuracy)
- Merchant dashboard with real-time analytics
- Mobile SDK for iOS and Android
- PCI DSS Level 1 compliant infrastructure
- Automated reconciliation system
- Webhook integration for instant notifications
- Multi-tenant architecture
- Advanced reporting and compliance tools
- White-label solution for partners
- API rate limiting and throttling
The stack behind it
Delivered over 8 months.
Technologies
React · TypeScript · Node.js · Express · PostgreSQL · Redis · MongoDB · AWS (EC2, S3, Lambda, CloudFront) · Docker · Kubernetes · Terraform · Stripe API · PayPal API · WebSocket · GraphQL · JWT · OAuth 2.0 · Elasticsearch · Kafka · RabbitMQ · Prometheus · Grafana · Jenkins
Built with
The Digiboffins services we worked through. Each one you can start with on its own.
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