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Xueyao Jiang is a seasoned data engineer with extensive experience in real-time streaming and data engineering technologies. Currently serving as a Principal Data Engineer at FREE NOW since April 2019, Xueyao has expertise in Databricks, Spark, Kafka, and Python, with a focus on fraud detection and prevention. Prior experience includes a Machine Learning Engineer role at enfore AG, where Xueyao worked on ETL and machine learning pipelines, as well as a Software Engineer position at Yieldlab AG, contributing to a high-performance real-time bidding platform. Earlier roles include Research Assistant positions at Fraunhofer IPT and Werkzeugmaschinenlabor, and an internship focused on data mining at the National Institute of Informatics. Xueyao holds a Master’s Degree in Media Informatics from RWTH Aachen University and a Bachelor’s Degree in Computer Science from Shandong University.