Visa Technology & Operations LLC, a Visa Inc. company, is seeking a Data Scientist for multiple openings in Foster City, CA. The role involves executing model development, validation, and performance tracking for risk models. The Data Scientist will compile complex predictive model packages for production deployment, support model installations, and monitor and calibrate production models. Additionally, the position requires propelling analytic product development through statistical analyses on various data sources, defining financial and analytic metrics to measure development and production outcomes, and producing performance reports. The Data Scientist will also find opportunities to create and automate repeatable analyses, support sales and marketing efforts with sound statistical and financial analysis, and conduct transaction data analyses with Hadoop/Cloud and big data technologies to develop deeper insights into products using advanced statistical methods. The position reports to the Foster City, California office and may allow for partial telecommuting.