Financial Services & FinTechVerified Production Outcome
Scaling Real-Time Core Banking to 42,000+ Transactions Per Second
Apex Financial operates payment routing infrastructure for 14 enterprise digital banks across North America and Europe.
Client Partner: Apex Financial Technologies
Verified Telemetry Metrics
42,000+
Peak TPS Scaled
18ms
P99 Settlement Latency
99.999%
Verified Uptime
Problem Statement & Technical Debt
The Business & Technical Challenge
Their monolithic transaction clearing system experienced p99 latency degradation (exceeding 850ms) during peak market opens.
Architecture Blueprint & Engineering
The Engineered Architecture & Solution
CoralSwift re-architected the clearing engine into a distributed event-driven topology using Apache Kafka and memory-optimized Go microservices.
Deployment Strategy & Handover
Implementation & Zero-Downtime Deployment
Phased canary cutover migrating 5% of traffic increments with real-time shadow validation.
Technology & Infrastructure Stack
GoApache KafkaPostgreSQLRedis ClusterKubernetesAWS
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