Visa is building a new Payments Foundation Models team to develop next-generation AI models for fraud and identity solutions, with potential applications in credit risk and personalized commerce. The Senior Data Scientist will train, evaluate, and document these models, collaborating with cross-functional teams to improve their quality and adoption. This role involves hands-on development, end-to-end data processing, deep learning model training (self-supervised, fine-tuning), and ensuring models navigate risk management processes. The position also includes leading deployment, collaborating with data engineers, communicating insights, and mentoring junior team members.

Senior Software Engineer for Visa's Product Reliability Engineering team, focusing on building agentic solutions and deep learning models for real-time transaction reliability at scale. The role involves designing, building, and testing software products that operate globally to predict and prevent reliability challenges in fintech transactions.