Web & Software DevelopmentClient: PayGlobal Financial Corp
High-Concurrency Financial Settlement Platform
Architected a low-latency, event-driven payment engine processing $1.2B annually across 40 countries.
120ms
Transaction Speed
$1.2B
Annual Volume
99.999%
Uptime
The Enterprise Challenge
The client faced scaling bottlenecks with legacy monolithic architecture, leading to high transaction latency during peak trading hours and auditing friction across cross-border operations.
Engineered Solution
AJ Technologies refactored the monolith into event-driven Node.js microservices on AWS EKS with Kafka, Next.js App Router, and PostgreSQL multi-region failover.
Verified Results & Impact
- Reduced transaction processing latency from 2,400ms down to 120ms
- Achieved 99.999% system availability during Black Friday peak trading volumes
- Passed SOC2 Type II and PCI-DSS Level 1 compliance audits on first review
Technologies Employed
Next.jsNode.jsKafkaPostgreSQLAWS EKSReact
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