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Roberto Fernández is a Software Engineer at Retool since August 2022, specializing in workflow products. Prior to this role, Roberto served as a Senior Engineer at Stripe from August 2018 to April 2022, focusing on ML-based payments costs modeling and AWS costs observability. In 2018, Roberto worked as a Statistics Teaching Assistant at the University of Chicago, assisting with machine learning and large-scale data analysis. Earlier in 2017, Roberto gained experience as a Quantitative Research Intern at BlackRock, contributing to the financial modeling of mortgage-backed securities. Roberto holds a Bachelor of Science degree in Mathematics and Computer Science from the University of Chicago, earned in 2018.