Kmuto - Machine Learning & Generative AI Engineer
Born in 1999. As a Machine Learning Engineer and Solutions/Software Engineer, I work on generative AI and AI governance product development and implementation.
I am interested in a wide range of technologies and actively participate in open-source projects and technical communities.
Basic Information
| Item | Details |
|---|---|
| Name | kmuto |
| Birth | 1999/04/16 |
| X | https://x.com/eycjur |
| GitHub | https://github.com/eycjur |
| https://www.linkedin.com/in/katsuhiro-muto-00934b1b7/ |
Publications
- Co-authored the book “Guide from Senior Data Scientists - Engineering Skills to Survive in Practice” (Gijutsu-Hyoronsha, August 2025).
Awards
- Outstanding Graduate of the University of Tokyo Matsuo Laboratory’s “GCI 2020 Summer”
- Grand Prize at the Development Organization’s Small Improvement Hackathon!
Work Experience
Citadel AI Inc. (April 2025 - Present)
- Working as a Solutions Engineer & Software Engineer, engaged in the development and implementation of AI governance (e.g., generative AI quality evaluation, AI security) related products.
- Also responsible for pre-sales and client implementation support, bridging the gap between clients and products, as well as sales and engineers, proposing and executing activities that enhance the core value of products based on client’s needs.
BrainPad Inc. (April 2022 - March 2025)
- Worked as a Machine Learning Engineer, developing systems using machine learning and generative AI.
- Built backend systems with Python (FastAPI), frontend with TypeScript (Vue.js), and primarily used GCP/Azure for cloud operations.
- Carried out numerous generative AI chatbot development and implementation support, handling everything from requirement gathering to architecture design and implementation.
Skills & Expertise
- Data Science / Machine Learning: Data preprocessing and analysis with Numpy/Pandas; experience with scikit-learn/LightGBM/PyTorch; anomaly detection; generative AI app development (LangChain); MLOps tools such as Vertex AI Pipeline and SageMaker Pipeline.
- Backend: API design and development with Python (FastAPI); experience with Golang.
- Frontend: SPA development with Vue.js; rapid prototyping with Dash/Streamlit.
- Database: Experience with PostgreSQL, FireStore, and CosmosDB; performance tuning knowledge.
- Cloud / Infrastructure: Building applications on GCP and Azure; IaC with Terraform.
- Design / Quality: Interested in Clean Architecture and Domain-Driven Design, focusing on maintainable, extensible, and low technical debt designs.
Achievements & Activities
- Participated in AtCoder (Algorithm Green, Heuristic Green), ISUCON14 (134th/784 teams), and CTF competitions.
- Developed native apps with React Native, games with Unity, IoT with Raspberry Pi; experienced with C, Haskell, Go, AppleScript, Fortran, and assembly languages.
- Contributed to LLM development at the Matsuo Lab LLM Development Competition 2025.
Open Source Contributions
- Submitted many PRs mainly to BerriAI/litellm.
Speaking Engagements
Taking on OSS Contributions with Claude Code
How to Work with AI Coding Agents
Creating LINE Stickers with AI
Bridging the Gap Between Theory and Practice
Doc Translate - VSCode Extension for Automatic Code Document Translation Using LLMs
Proposal for a Matching Platform for Investors and Borrowers (GCI2020Summer Final Assignment)