Jan 2023 – Jan 2025 · 2 yrs · Tokyo, Japan · On-site

• Market Analysis Tool Development:
• Designed and built a self-service Market Analysis Tool using Streamlit, FastAPI, MongoDB, and BigQuery SQL, ensuring best practices were followed and a high unit test coverage is maintained.
• Automated market trend and sales funnel analyses, saving ¥X00M JPY by enhancing workflow efficiency for data science and sales teams.
• Enabled Japanese and international enterprises to make informed marketing decisions on Rakuten Ichiba, driving revenue growth.
• AI-driven consulting deck development:
• In the team that developed a tool that generates comprehensive consulting decks, reducing end-to-end time to get things done from days or weeks to hours.
• Implemented LLM modules using Langchain for automated slide summaries, ensuring high-quality and traceable outputs using Langsmith.
• Led knowledge transfer sessions for departments, facilitating the implementation of similar AI-driven consulting solutions.
• AI Empowerment Initiative:
• Developed and currently executing an "AI-first" strategy to promote AI-nization within Rakuten through education, internal PR, and innovative initiatives.
• Hosted a division-wide podcast featuring conversations with leaders from the division, fostering knowledge sharing and engagement.
• Jumpstart Learning: Created an AI bot on the "Rakuten AI for Rakutenians" platform, enabling employees to easily develop and deploy custom AI agents.
• Mentoring Interns:
• Mentored two summer interns from Brown University on a Retrieval-Augmented Generation (RAG) project.
• Directed the development of agentic RAG systems using various LLM agents and LangGraph, ensuring project milestones were met.
• Facilitated training sessions and integrated interns’ work into ongoing projects, enhancing team productivity and innovation.
• Focused not only on the technical development but also the professional development of the interns.

Feb 2022 – Apr 2022 · 2 mos · Setagaya, Tokyo, Japan

Oct 2021 – Dec 2021 · 2 mos · Tokyo, Tokyo, Japan

Jul 2020 – Mar 2021 · 8 mos · Greater Tokyo Area

Dec 2019 – Dec 2021 · 2 yrs · Greater Tokyo Area

Apr 2019 – Jun 2020 · 1 yr 2 mos · Shonandai