Senior Data Scientist

Alloy is seeking a Senior Data Scientist to join their Predict team, focusing on advancing real-time machine learning systems for fraud detection. You will contribute to model design, training, evaluation, and production workflows, while also partnering with customers on fraud studies. This role requires strong Python, SQL, and machine learning expertise, with a focus on highly imbalanced datasets and tree-based models.

• Design, train, and evaluate ML models for fraud detection
• Develop testing plans, metrics, and performance reports
• Support production ML workflows and monitor model performance
• Communicate findings to technical and non-technical audiences
• 8+ years of experience in Applied Fraud Research, Data Science, or ML
• Expertise in Python, SQL, and building production-grade ML models

• No visa sponsorship is available.