Cloud-Native Core Banking Modernization: Scaled to 120,000 TPS with Zero-Downtime Migration
Re-architected a legacy mainframe banking pipeline into an event-driven, multi-region Kubernetes microservices topology capable of processing $4.2B daily transactional volume.
Transaction throughput sustained during high-frequency volatility.
Zero unscheduled downtime across 8 global regions over 18 months.
Saved annually by retiring proprietary legacy mainframe licensing.
ApexFin was constrained by a 14-year-old monolithic ledger architecture that suffered 3.2-hour reconciliation delays and high licensing overhead. Cross-border settlement latency was eroding competitive edge.
Intactic deployed an active-active event-sourcing engine built with Go, Apache Kafka, and CockroachDB. We designed zero-loss state synchronization, hybrid HSM cryptographic signing, and automated SOC-2 auditing.
- CQRS architecture segregating high-throughput writes from low-latency analytical queries.
- Hardware security module (HSM) automated key rotation via Vault clusters.
- Automated chaos engineering suites running continuous regression simulations in staging.
- Event-Driven Microservices Engine
- Multi-Region Distributed Database Mesh
- Real-Time Anti-Fraud Scoring Cluster
- PCI-DSS & ISO-27001 Compliance Pipeline
Go
Kubernetes
Apache Kafka
CockroachDB
gRPC
AWS Graviton
Terraform“Intactic engineered an architectural marvel for our core ledger. Moving $4.2 billion daily without a second of downtime is testimony to their world-class engineering discipline.”