Ryo Watanabe
About
I’m Ryo Watanabe (渡邊諒), a Machine Learning Engineer at Mercari, Inc. based in Japan. I work primarily on developing and improving recommendation systems for e-commerce.
Tech Stack
- Machine Learning: Python, PyTorch
- Backend: Go
- Data & Analytics: BigQuery
- Others: Apache Airflow, Apache Beam, Kubernetes
Experience
- Machine Learning Engineer, Mercari, Inc. — April 2024 – Present
- Machine Learning Engineer (Internship), Mercari, Inc. — August 2022 – September 2022
- Machine Learning Engineer (Internship), SoftBank Corp. — December 2021 – March 2022
- Developed error detection models for OCR-processed text using NLP techniques.
Education
- The University of Tokyo, Tokyo, Japan
- Master of Information Science and Technology, April 2022 – March 2024
- Major: Mechano Informatics
- Lab: Machine Intelligence Lab. (supervised by Prof. Tatsuya Harada)
- Bachelor of Engineering, April 2018 – March 2022
- Major: Mechano Informatics
- Master of Information Science and Technology, April 2022 – March 2024
- Technische Universität Darmstadt, Darmstadt, Germany
- Exchange Student, Computer Science, 2023
Awards
- Frontier Paper Award, MIRU2024 (August 2024)
- “Fully Spiking Denoising Diffusion Implicit Models”
Publications
- “Fully Spiking Denoising Diffusion Implicit Models” — MIRU2024 (Frontier Paper Award)
- Co-author, “Improving Visual Recommendation on E-commerce Platforms Using Vision-Language Models” — ACM RecSys 2025, Prague
Languages
- Japanese (Native)
- English (Business)