Jehyun R.
Machine Learning Engineer @Delivery Hero SE
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WORK HISTORY
Machine Learning Engineer @Delivery Hero SE
Berlin, DE
EDUCATION
Sungkyunkwan University
Bachelor of Engineering - BE, Systems Management Engineering
Humboldt-Universität zu Berlin
Master of Science - MS, Wirtschaftsinformatik
ABOUT JEHYUN R.
Following the successful completion of my bachelor\'s degree in Industrial Engineering at SKKU, South Korea, I embarked on a new chapter in Berlin, Germany, driven by my profound interest in the world of big data and my unwavering goal to become a data scientist.My academic journey led me to Humboldt University of Berlin, where I earned a master\'s degree in Information Systems, specializing in Machine Learning and Data Analytics, with a total GPA of 1.3. This experience not only honed my theoretical and practical expertise in data science and analytics but also fortified my quantitative foundation in Mathematics, Statistics, and Programming, cultivated during my engineering bachelor\'s degree.In 2021, I had the privilege of participating in a pivotal business intelligence internship at Amazon Workforce Staffing Analytics. During this transformative experience, I engineered a prediction model that demonstrated a remarkable 3.3-fold improvement in accuracy, effectively replacing the existing model. Moreover, I successfully deployed this model on AWS using Docker, showcasing my ability to bring data-driven solutions to life.Since November 2022, I have been an integral part of the Deloitte Audit FSI team, where I collaborate closely with an investment bank client. In this role, I have contributed significantly by creating automated tools, including an automated screening process and a search-based web scraper for the bank\'s website. Additionally, I have designed and implemented analytics dashboards for various workstreams, all while diligently maintaining data quality at the highest standards.
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