bartoszbryg / tx-sieve Star 0 Code Issues Pull requests Real-time payment processing platform with async fraud detection pipeline: rule-based scoring, JGraphT graph anomaly detection (circular flow, hub signals, cluster analysis), and Python ML microservice. Bounded async queue, WebSocket alerts, JWT auth. JMH-benchmarked. Java 21 · Spring Boot 3 · Python FastAPI · Micrometer · Docker · PostgreSQL. docker real-time spring-boot rule-engine async websocket postgresql jmh jwt-authentication jgrapht payment-processing fraud-detection performance-optimization anomaly-detection database-modeling micrometer fastapi graph-anomaly-detection fraud-detection-using-machine-learning Updated Jul 14, 2026 Java