Calibrate and fine-tune Callsign fraud detection and authentication engine Analyze data models, risk signals, and rule outputs Work on continuous improvement of Callsign workflows, journeys, and intervention logic Conduct deep analytics on fraud event data, behavioral biometrics, and system logs Build dashboards, performance metrics, and reporting pipelines Configure system integrations between Callsign and core banking systems, APIs, or orchestration layers Support the deployment of new fraud scenarios and machine learning models Manage test environments, perform regression testing, and validate production changes Liaise with fraud strategy, IT security, and vendor teams Document configurations, model changes, and system updates Provide expert guidance on Callsign data structures, risk scoring, and orchestration capabilities