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• 2026.07.28BLOGBlog update: I made a sake cocktail
• 2026.07.22SITEAdded an entrance animation to the homepage (scroll to skip)
• 2026.07.22SITEExpanded site content across the top page, projects, and research pages

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Alongside research, I work as a contract engineer at AI Best Partners Inc., supporting AI adoption for clients. Rather than staying within a fixed "PM" or "engineer" title, I sit in on client meetings and interviews myself, and own everything from articulating the problem through proposal and implementation.

End-to-end, from discovery to proposal and implementation

My role isn't "build what you're handed" — it starts with hearing out the client's problem myself and being involved from the stage where the solution is still being shaped.

• Sit in on client meetings and interviews, from articulating business problems to sparring on possible solutions
• Analyze competitors' proposals to design differentiators around cost structure and technology choices
• Work across phases — requirements, AI-driven system design, estimation, proposal decks, and implementation
• Continuously involved in multiple AI-adoption projects for small and mid-sized businesses

* Company names, product names, and specific specs are confidential under contract. The above is an abstraction of the work.

A collection of personal projects, internships, hackathons, and work from my student years.

Personal Projects

Giants Monitor

A service that monitors the Yomiuri Giants' official ticket resale listings and sends a notification when a ticket matching set conditions appears. Runs continuously on gumma.

FastAPIDocker

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$ coming soon

BarLog

A bar-focused information platform that aggregates bar-specific information — price range, how to order, atmosphere, and more.

Concept & design phasePersonal project

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Student Years

42Tokyo — Common Core

Reimplemented the standard library, a shell, a 3D raycasting engine, and more in C, learning how UNIX-like operating systems work from the ground up.

C~2.5 years

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$ coming soon

TODO List Management System

Developed a TODO app in Java with account management and sharing features, as a university assignment.

JavaUniversity assignment

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Internships

Raksul Inc.

Spent one month on the e-commerce site engineering team, handling feature additions, bug fixes, and refactoring.

RubyPHP1 month

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DeNA Co., Ltd.

Spent two weeks maintaining and adding features to an internal tool.

PHP2 weeks

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Bosch (Global Internship)

A global internship in Vietnam. Learned automotive networking and developed a system linked to AEB.

CAN bus3 weeks

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Bosch (Domestic Internship)

Supported ACC (Adaptive Cruise Control) feature development for ADAS at the Yokohama site over three months.

ADAS3 months

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Smartscape Inc.

A solo-development internship in image processing. Implemented difference extraction using homography transformation and binarization.

Image processing5 days

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Allsmart Inc.

Developed a prototype attendance-management app. Led the Git workflow on a 3-intern team.

React NativeFirebase

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Hackathons

DeNA Hackathon — "Humming AI"

Developed a product with a 3-person team where AI generates music from a hummed melody — won an award.

AITeam of 3

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Tokyo Gas Hackathon

Led technical decisions and development single-handedly on a team where most members had no development experience.

Python2 days

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$ coming soon

Track Job Beginner's Hackathon

Built a service that aggregates internship listings across companies, with a team of 4 who'd just met.

Next.js2 days

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How I spend my time between research and development.

Cocktails, bars, reading, and travel

Make it, drink it. Stop by a bar sometimes. Tsujimura Mizuki in between, an unfamiliar city once in a while.

Making cocktails

Before I knew it, my shelf had turned into a small bar.

I try out different liqueurs and play around with fruit and aromatics. Every day when I'm into it, a month untouched when I'm not. Whiskey highball tastings and shaken short cocktails are the usual, and lately I've been getting into frozen cocktails with a blender.

Bar-hopping

Solo on a whim, or exploring somewhere new with friends.

About once a month. I tell the bartender about a drink I liked before, and they suggest what to try next. Discovering a new favorite that way is the fun part.

Reading

Novels over anything else — Mizuki Tsujimura is a favorite.

My favorite is Mizuki Tsujimura's Slow Heights no Kamisama. I like mystery, fantasy, and human-drama stories, and enjoy Kotaro Isaka's style too.

Travel

Only picked it up in the last two years, and it's already a habit.

Mostly nearby Asia, with the occasional trip to Europe. I travel domestically about as often. I like finding the shops and people you can only meet at that particular place — at home or abroad.

I work on research that measures and visualizes low-level bottlenecks by cross-referencing CPU microarchitecture characteristics with OS/middleware behavior.

Uncovering the "why" of the low layers, through measurement

SMT resource contention, kernel bypass, lock contention inside a database, the overhead of security mechanisms. What they share: speaking through measured data, not intuition.

Planning to write about new cocktail recipes, bar recommendations, research topics, personal projects, and more.

2026.07.28Cocktail

I made a sake cocktail

Turned leftover sake into a cocktail for the first time — it was better than I expected.

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