— 01 / System
Software Development
Custom systems
Core business systems, web apps, and internal tools—from discovery through operations, end to end.
Systems · Automation · Operations/Tokyo · solo practice
Less repetition,clearer workflows,lighter operations.
Breaking free from tedious work—side by side with your team.
Based in Tokyo, solo practice handling everything from discovery through operations. Small steps, shipped quickly, refined until the daily work actually feels lighter.
01 / About
One
engineer,
not a vendor.
Plain talk from the person who builds.
I'm an engineer who understands the weight of every line of code. Not flashy spectacle—returning time to the people who use what I build.
From requirements to design, implementation, and operations—I stay with you end to end. Small improvements, consistently applied, that change how work runs. That's JUSTWIT WORKS.
30+
Shipped
Projects delivered
80%
Retained
Repeat clients
24h
First Reply
Hours to reply
2021
Founded
Established
02 / Services
Four disciplines.
Four focus areas.
Four disciplines rooted in real operations—deeply and for the long term.
— 02 / RPA
Process Automation
RPA & automation
Replace repetitive work with code—Excel, web, and legacy systems bridged to give people their time back.
— 03 / DX
Operations Design
DX & operations
I go on-site, observe workflows, and find bottlenecks—design before tools, shipping the work myself.
— 04 / AI
Applied AI
AI & LLM
LLMs embedded in real workflows—internal RAG, doc generation, semi-automated support, and more.
03 / Selected Works
Recent work.
— 01
Ghost Member Buster
APP DEVELOPMENT
Flutter habit tracker that geofences your gym an…
'26
— 02
Focus Orb
APP DEVELOPMENT
A monochrome Pomodoro timer where a glass orb of…
'26
— 03
Neon Pose
APP DEVELOPMENT
A mobile app that scores workout form using AI. …
'26
— 04
Restaurant Request App
APP DEVELOPMENT
A web application that recommends nearby restaur…
'25
— 05
UiPath Scraping System
AUTOMATION
Scraping system development using UiPath
'23
— 06
UiPath Automation Robot
AUTOMATION
Business automation robot development using UiPa…
'23
— 07
Python Scraping
AUTOMATION
Job site scraping using Python
'23
04 / Journal
Notes from
the studio.
05 / Contact
Tell us what
you need built.
Project inquiries, estimates, or technical questions—reach out anytime. I usually reply within 24 hours.