Stelios Zacharoudakis
Head Engineer focused on real-time, data-intensive systems, API platforms, machine learning workflows, and production observability.
Experience Highlights
- Lead engineer for production-grade systems with real-time scoring and monitoring flows.
- Design and delivery of API-first architectures with testing, metrics, and operational runbooks.
- Hands-on delivery across backend, data pipelines, and frontend command-center dashboards.
Featured System Impact
- Graph Fraud Command Center: graph-aware fraud telemetry, alert workflows, simulation controls.
- Realtime Fraud Guard: low-latency scoring across payments/SMS/email with API and metrics endpoints.
- DoubleX Ledger: serializable posting model, reconciliation flow, and observability-first operations.
- NYC Subway Anomaly Detection: streaming anomaly detection with live map command center.