Xujie Ma
Senior Machine Learning Engineer, LY Corporation / LINE Yahoo
maxujie14(at)gmail(dot)com
Tokyo, Japan
https://maxujie.github.io
https://github.com/maxujie
https://www.linkedin.com/in/maxujie
Education
- M.S. in Information and Communication Engineering, The University of Tokyo, 2018.10 - 2021.03
- B.S. in Electronic Engineering, Tsinghua University, 2014.08 - 2018.07
Work Experience
- Senior Machine Learning Engineer , LY Corporation / LINE Yahoo, Tokyo, 2021.04 - present
- Production ML systems for ads, recommendation, consumer services, feature platforms, and data pipelines.
- Keywords: Feature Stores, Online Learning/Serving, Model Monitoring, A/B Testing, MLOps, CTR Prediction, Ranking, Recommendation, User Segmentation, Multimodal Embeddings, Spark, Airflow, SQL.
- R&D Intern , SenseTime Japan Ltd., Tokyo , 2020.05 - 2020.08
- Keywords: 3D Point Clouds, Autonomous Driving
- R&D Intern , SenseTime Group Ltd., Beijing , 2016.06 - 2017.12
- Keywords: Object Detection, Human Pose Estimation, Facial Keypoint Detection
Publications
S. Jin, X. Ma , Z. Han, Y. Wu, W. Yang, W. Liu, C. Qian, and W. Ouyang.
Published in ICCV PoseTrack Workshop, 2017