Sergio Barreto currently serves as a Data Science and Engineering Manager at SumUp, leading a cross-functional team focused on developing and maintaining machine learning models for fraud prevention across global markets. Previously, Sergio held the position of Data Science Lead in Brazil, where the emphasis was on enhancing team performance and model quality in fraud prevention for the Brazilian market. Earlier roles include Specialist Machine Learning Engineer, responsible for streamlining processes in model development, and Senior Machine Learning Engineer at Hurb, where Sergio worked on AI-driven projects such as search customization. Additionally, Sergio has experience as a Data Scientist at the Laboratório de Metrologia Dimensional e Computacional, leading machine learning initiatives for quality control in seismic acquisitions, and as a Consultant at Visagio, addressing technology management projects across various industries. Sergio holds a Master’s degree in Computer Science with a focus on Artificial Intelligence and NLP, as well as a degree in Production Engineering from Universidade Federal Fluminense.
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