Senior Data Scientist / AI-ML & Anomaly Detection Lead

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Data Scientist / AI-ML & Anomaly Detection Lead based in United States. This role leads the technical intelligence layer of a high-visibility government data and analytics initiative. You will design and optimize anomaly detection engines that identify unusual spending, contract vulnerabilities, and fraud, waste, and abuse risks. The position combines advanced data science, machine learning engineering, statistical analysis, and rigorous model validation. You will work with complex, transaction-level datasets and build transparent, explainable analytical solutions suitable for auditors and investigators. A major focus will be on achieving measurable accuracy, controlling false positives, and ensuring every model can be independently reproduced and validated. The role is highly hands-on, with significant ownership over model architecture, feature engineering, thresholds, monitoring, and technical documentation. This is a part-time consulting engagement, averaging 14–18 hours per week, with workload concentrated around key delivery and acceptance milestones.