# Xiaotong Qiu > Data Engineer @ Spotify Location: London, England, United Kingdom Profile: https://flows.cv/xiaotongqiu * As a software engineer specializing in recommendation architecture at Bytedance, build and maintain globalized large-scale online services for Tiktok Music recommendation system. * Worked as data scientist to design, develop, analyze & improve Feed Recommendation System with 100 million DAU in Tencent. * Gained Master of Science degree in Electrical Engineering at Columbia University, New York. * Awarded Top 10 Excellent Graduates of UESTC, 2016. * Gained 1st-class honored Bachelor of Engineering in Electronics and Electrical Engineering & Bachelor of Science in Electronic Information Engineering degrees from Glasgow College, University of Electronic Science. * Major research interests include machine learning and data-driven analysis. ## Work Experience ### Software Engineer @ Spotify Jan 2023 – Present | London, England, United Kingdom ### Software Engineer, Recommendation Architecture @ ByteDance Jan 2021 – Jan 2022 | Shanghai, China Build and maintain high performance online services for globalized recommendation system ### Data Scientist, Recommendation System @ 腾讯 Jan 2019 – Jan 2021 | Shenzhen, Guangdong, China Developed recommendation systems for QQ Feed and Community, with responsibilities spanning product requirement analysis, service architecture design, and data modeling to enhance user engagement. ### Machine Learning Algorithm Engineer Internship @ Tencent Jan 2018 – Jan 2018 | Shenzhen, Guangdong, China ### Research Assistant @ School of Computer Science and Engineering, UESTC Jan 2016 – Jan 2017 | Chengdu, Sichuan, China ### Research Assitant @ National Key Laboratory of Science and Technology on Communication, UESTC Jan 2016 – Jan 2016 | Chengdu, Sichuan, China ## Education ### Master of Science - MS in Electrical Engineering Columbia University ### Bachelor of Science - BS in Electronic Information Engineering University of Electronic Science and Technology of China ### Bachelor of Engineering - BE in Electronics and Electrical Engineering University of Glasgow ## Contact & Social - LinkedIn: https://linkedin.com/in/xiaotongqiu --- Source: https://flows.cv/xiaotongqiu JSON Resume: https://flows.cv/xiaotongqiu/resume.json Last updated: 2026-04-05