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I built an AI-native portfolio site with Mintlify by bouncing ideas off Claude
2026/10/04 · note

Honestly, my colonoscopy was rough, but I think everyone should get one
2026/09/07 · note

Is it bad to be motivated by gratitude at work?
2026/08/13 · note

What corporate IT should decide before Claude Code’s default becomes auto mode
2026/08/10 · note
By the numbers
160+
Articles
note, Qiita, Zenn and more
15+
Talks
Conferences & events
50+
Internal talks
Training & study sessions, as presenter
19
Years
From engineer to corporate IT
Skills
IT ops & SaaS management
AdminaOktaNotionGoogle WorkspaceJamf Pro1PasswordCrowdStrikeMiroAsanaDialpadSlack
AI
ClaudeClaude CodeOpenAIPineconeGeminiNotion AISlack AIChatGPT
Automation & in-house tools
Google Apps ScriptclaspSlack AppNode.jsChrome ExtensionApp Maker
Front-end
Vue.jsNuxt.jsTypeScriptAngularAngularJSjQueryStorybookreg-suitSentryWebPagetest
Backend & cloud
GoRuby on RailsPHPJavaSpringGoogle App EngineCloud SQLHerokuCloudFrontS3MySQL
Writing & docs
MintlifynoteZennQiitaSpeaker Deck
Career
Main work at each company. Click to expand.
Money Forward i (2026/06–) — Admina Evangelist
Money Forward i (2026/06–) — Admina Evangelist
- I’m the evangelist for Money Forward Admina, a SaaS management service that supports corporate IT teams. Through talks at conferences and events, and through blogs and social media, I bring the challenges of corporate IT and the strengths of the product to people outside the company (see Speaking).
- I bring what I learned in corporate IT back to the product development, marketing, sales, customer support and customer success teams, with input that sharpens our understanding of customers and support for decisions.
- I work on BizOps with AI, redesigning how work is done on the premise of generative AI. By using AI for research, summarization and content generation, I raise each team’s productivity and the quality of its output.
- I focus on building relationships with the corporate IT community and customers, and act as a hub that feeds what I hear on the front lines back into the product and the business.
hey / STORES (2020/04–2026/05) — Corporate Engineer / Senior Manager
hey / STORES (2020/04–2026/05) — Corporate Engineer / Senior Manager
Organization and management
- In April 2020 I moved internally from front-end engineer to corporate IT, and in July I became the manager. I built the team and brought software engineers’ culture into it: psychological safety, 1-on-1s, agile evaluation, and pair and mob work (article, in Japanese).
- I grew a team of two to six. Under the IT division I set up two groups, corporate engineering and IT support, and from July 2024 I was a senior manager overseeing the managers. As of September 2025 I oversaw seven full-time employees and one contractor (article on building the organization).
- As a player-manager, I served as project owner for large projects and the introduction of key SaaS tools.
- After our company name changed from hey to STORES, I was project owner for changing the domain of about 450 accounts, leading the overall schedule and the moves of accounts across many SaaS apps (how-to article, interview).
- For the company-wide Notion rollout, I owned the project from January to March 2025, handling the workspace design and training sessions (article).
- I ran training sessions to promote AI use across the company (Gemini, Notion AI, Slack AI) and introduced a Notion custom agent as our internal AI help desk (article).
- I was project owner for expanding our office floor space, and after the Noto Peninsula earthquake I switched our safety confirmation service (article).
- I rebuilt the SaaS tools used in the back office with an eye to optimizing the whole rather than each tool separately.
- EDR, Okta, Admina, Notion, Miro, 1Password, Securio, Cmosy, Dialpad, Safie, Asana, Safety Confirmation Service 2, and more. With Admina, I also built an account management workflow using its role feature (article).
- I built applications (such as Slack bots) with Google Apps Script and Node.js, including a shared drive operation with Google Forms and GAS (article) and an internal assistant bot with ChatGPT (article). I also promoted visualization with Looker Studio.
- I set up an in-house broadcast and recording studio with near-professional video and audio equipment and owned the streaming and running of events such as the company-wide review meeting (article). I also created a system that lets engineers swap their development PCs at any time (article).
- I presented at internal training sessions and study sessions more than 50 times (article on the GAS training).
- I planned and ran our division’s Advent Calendar as project owner.
STORES.jp / hey (2018/10–2020/03) — Front-end Engineer
STORES.jp / hey (2018/10–2020/03) — Front-end Engineer
- As a front-end engineer at STORES.jp, I built screens with Vue.js and Nuxt.js. In the renewal of the store design screen, I replaced AngularJS 1.x with Nuxt.js while adding features (review).
- I set up environments that raise developer productivity, such as Storybook, reg-suit, Sentry and WebPagetest.
- The front-end team grew from three people when I joined to nine in a year. I created a system that assigns a different person each week to operations and kaizen (article, how we develop).
- I exhibited at Tech Book Fest 5 and 6 with a book on Chrome DevTools (article).
TOPGATE (2017/05–2018/08) — Google Technology Engineer
TOPGATE (2017/05–2018/08) — Google Technology Engineer
- I mainly developed web applications on Google Cloud, mostly in Go.
- I built things with Google App Maker and Google Apps Script, and also visited clients to teach Google Apps Script in person.
- I developed Chrome extensions.
- I published gas-clasp-starter, a template for developing GAS in a local environment (article).
- I shared how to make the most of the Chrome DevTools Console, among other things, on Qiita (article).
Work with me
I take requests like these as a side job.- Talks and events: speaking, panels, facilitation
- Writing and media: guest articles, interviews, press
- Technical support and consulting: Notion, Google Workspace, Google Apps Script, AI adoption, SaaS adoption for corporate IT teams (including Admina), and other corporate IT support
