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Junjie Wang is a Senior Software Engineer at Ripple since October 2022, with prior experience as a Software Engineer focused on Machine Learning at LifeHikes® from November 2020 to July 2022. At LifeHikes®, Junjie Wang developed a scalable cloud-native AI backend for automated speech assessment, enhancing client communication skills, and created several machine learning rating engines. Earlier roles include AI Developer at Pantheon Lab Limited, working on computer vision projects, and Data Analyst at ACERTAS, where Junjie Wang contributed to the design of an end-to-end machine learning pipeline and automated workflows using Airflow on AWS EC2. Additionally, Junjie Wang served as a Research Assistant at Claremont Graduate University, improving graph convolutional learning applications for anomaly detection. Junjie Wang holds a Master of Science in Applied Mathematics from Claremont Graduate University, a Master of Science in Financial Engineering from Drucker School of Management, and a Bachelor's degree in Statistical Finance from Southwestern University of Finance and Economics.