Machine Learning Engineer

TaijuWatanabe

渡部 泰樹

Tokyo, Japan

Data Scientist / Machine Learning Engineer

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Work Experience

Jul 2026 – Present

Preferred Networks

LLM Application Engineer (Full-time) Current
  • Developing LLM applications.
Preferred Networks
Apr 2025 – Jun 2026

Matsuo Institute

Data Scientist (Full-time)
  • Developed LLM-based solutions for automotive and housing manufacturers, as well as a company engaged in investment and business operations.
Matsuo Institute
Dec 2023 – Mar 2025

Matsuo Institute — Robotics Project

Intern
  • Reimplemented Gaia-1, an autonomous driving model.
  • Implemented the text encoder and world model conditioning components for text-to-video prediction.
  • Worked on robot manipulation using world models and model predictive control (MPC).
Dec 2023 – Sep 2024

Matsuo Institute — Pharmaceutical Company Project

Intern
  • Conducted research to improve the accuracy of deep-learning models for predicting clinical trial success.
Jul 2023 – Mar 2024

Sony CSL

Intern
  • Conducted research and development in grammatical error correction.
Sony CSL
Aug 2023

NTT Research

Intern
  • Conducted research on open-set recognition.
NTT Research
Jun 2023 – Dec 2023

Almondo

Intern
  • Worked on an LLM-based digital transformation project for construction sites.
Almondo
Jul 2022 – Nov 2023

Matsuo-Iwasawa Laboratory, The University of Tokyo — Large-Scale World Model Project

Intern
  • Investigated whether scaling laws also apply to world models.
  • Surveyed, implemented, and scaled a range of world model architectures.
Aug 2021 – Mar 2024

Matsuo-Iwasawa Laboratory, The University of Tokyo — Academic Institution Project

Intern
  • Streamlined operations for an industry–academia collaboration organization connecting companies with the University of Tokyo's Faculty of Engineering.
  • Extracted technical terms using natural language processing.
  • Managed databases using SQL.
  • Built a web application using PHP, HTML/CSS, and JavaScript.
Jul 2021 – Dec 2022

Lazuli

Intern
  • Analyzed e-commerce sites using natural language processing and web crawling.
Lazuli
Jan 2021 – Jul 2021

Datasection

Intern
  • Conducted research and development on image recognition and OCR.
Datasection
Jan 2021 – Mar 2021

Asilla

Intern
  • Conducted research and development on pose estimation.
Asilla
Sep 2020 – Jun 2021

Zero2one

Intern
  • Created English-language questions for the JDLA Deep Learning for GENERAL (G-Certificate) exam.
  • Produced the Japanese edition of Andrew Ng's Coursera course, AI For Everyone.
Zero2one

Education

2023–2025

Graduate School of Fundamental Science and Engineering, Waseda University

Department of Computer Science and Communications Engineering

2019–2023

Waseda University

Department of Applied Mathematics, School of Fundamental Science and Engineering

Minor in Computer Science and Engineering

Projects

Research and development projects focused on large language models and video understanding.

Talks

BrainPad Meetup

Shirokane Kogyo Meetup

Details

YouTube

Matsuo Lab LLM Community: Paper&Hacks Vol. 64

Watch

YouTube

Matsuo Lab LLM Community: Paper&Hacks Vol. 72

Watch

Other Activities

Certifications

  • JDLA Deep Learning for GENERAL 2020 #2
  • JDLA Deep Learning for ENGINEER 2022 #1
  • EIKEN Grade 1 Certification

Achievements & Activities

  • Completed the Matsuo Lab GCI Program (Summer 2020)
  • Teaching Assistant, Matsuo Lab GCI (Summer 2021–Summer 2024)
  • Teaching Assistant, Matsuo Lab GCI Global
  • Lecturer, Matsuo Lab GCI (Summer & Winter 2023)
  • Completed the 2021 Matsuo Lab Summer School on Image Recognition
  • Completed the 2021 Matsuo Lab Summer School on Deep Generative Models
  • Completed the 2021 Matsuo Lab Autumn Seminar on Reinforcement Learning
  • Completed the 2021 Matsuo Lab Deep Learning Fundamentals Course
  • Completed the 2021 Matsuo Lab World Models and Intelligence course (Best Oral Presentation Award)
  • Completed the 2025 Matsuo Lab AI Engineering Course