FinanceClient: NexGen Financial

Migrating Legacy Banking Monolith to Event-Driven Microservices

Refactored a 15-year-old banking backend to Go microservices, handling $2.4B in annual transaction volume with 99.999% uptime.

99.999%

System Uptime

-65%

Infrastructure Expenses

12x

Faster Deployment Cycles

System slowdowns during peak trading hours and legacy codebase preventing the launch of new mobile banking features.

Architected a zero-downtime event-driven infrastructure using Apache Kafka and Go services on Kubernetes.

API Gateway (Kong) -> Go Microservices -> Apache Kafka Event Bus -> PostgreSQL Sharded Clusters -> Redis Cache

GoKafkaKubernetesPostgreSQLDatadog