Compromise Decision Science Team of American Express is looking for an Senior Analyst who would be actively involved in developing, refining and implementing ML models for Compromise Fraud Risk Decision Sciences domain.
Compromise Decision sciences team is involved in developing solutions for preventing fraud arising from compromised card credentials. This involves developing sophisticated ML models, feature engineering, graph based solutions to curb fraud losses arising from cards that were compromised across the customer journey.

Responsibilities
• Develop and enhance advanced machine learning and AI-driven solutions to identify emerging compromise patterns, detect suspicious behaviors, and strengthen risk decisioning capabilities.
• Apply cutting-edge techniques, including Graph Neural Networks (GNNs), graph-based learning, Transformers, Deep Learning, and other advanced ML algorithms, to solve complex business problems.
• Analyze large-scale, complex, and interconnected datasets to uncover hidden relationships, identify emerging risk signals,



and generate actionable business insights.
• Design, develop, and optimize end-to-end analytical and modeling pipelines, including data preprocessing, feature engineering, model training, validation, and performance monitoring.
• Leverage Python, PySpark, and cloud-based platforms such as Google Cloud to build scalable, productive, and robust analytical solutions.
• Explore and experiment with emerging AI/ML methodologies to continuously improve model effectiveness, predictive accuracy, and operational efficiency.
• Collaborate with cross-functional stakeholders to translate business challenges into innovative, data-driven solutions that deliver measurable business impact.
• Communicate complex analytical findings, model performance, and strategic recommendations effectively to both technical and non-technical audiences.
• Demonstrate strong analytical judgment, intellectual curiosity, and a proactive approach to identifyin

📌 Sr.Analyst-Data Science (Bengaluru)
🏢 American Express
📍 Bengaluru