Notes from reading the summary of 'Admin Panel Sneak Peek♡Night #1' on useful things

Useful libraries and KPI validation notes from the 'Admin Panel Sneak Peek Night #1' meetup summary.

Attended AI Requirement Definition Summit 2026

I took part in AI Requirement Definition Summit 2026, an event hosted by my own company, on the organizing side rather than as an attendee. I had little time to sit in on sessions; the day was devoted to greeting exhibitors at their booths and welcoming our customers.

Speaking Report from "Cloudflare Workers Tech Talks in Fukuoka #1" ~ Decision-Making for Adopting Hono in Acsim, an AI Requirements Definition Platform

I had the opportunity to speak at "Cloudflare Workers Tech Talks in Fukuoka #1" held in Fukuoka, presenting on "Decision-Making for Adopting Hono in Acsim, an AI Requirements Definition Platform." I discussed the type-safe development experience brought by schema-driven development with @hono/zod-openapi and the background behind this technology selection. This article shares the content of that presentation.

Attended Code w/ Claude Extended in Tokyo

Code w/ Claude Extended, a global series of developer events centered on Claude, came to Tokyo. I was able to attend the keynote by Boris Cherny and a tour of Anthropic's office, but had to leave before the afternoon sessions due to hosting another event. Even in that short time, the conversations I had with the team and the questions raised in the keynote shifted how I think about AI-driven development in practice.

Cookpad Tech Kitchen #10 〜Product Design Talk〜 Participation Report

A report from Cookpad Tech Kitchen #10, featuring product design talks from Cookpad, Hatena Blog, minne, and AWA.

'Corporate Engineer Night #2: We'll Become Beloved Corporate IT' Participation Report #CorporateEngineerNight

A report from Corporate Engineer Night #2 in Tokyo, with LT summaries and startup corporate-IT advice from the after-party.

'DMM meetup #12 Technologies Supporting DMM's New Business' Participation Report #dmm_meetup

Notes from DMM meetup #12 covering DMM's tech vision, Bitrise, Redash, and a containerization case study.

Talk Report: "Fukuoka Tech LT Year-End Party" - Building an AI QA Assistant with Giselle

I gave a talk titled "Building an AI QA Assistant with Giselle - Continuous QA for Pull Request Reviews" at "Fukuoka Tech LT Year-End Party" held in Fukuoka. I discussed a system that automatically provides QA feedback when PRs are created, reducing rework costs from last-minute QA. This article shares the content of that presentation.

Attended Geodesic Forum 2026 Tech Conference

I attended the Geodesic Forum 2026 hosted by Geodesic Capital. Here is an overview of the 10 companies that presented at the event.

Heroku-ja Meetup #1 Slide Summary

A roundup of slide decks presented at Heroku-ja Meetup #1, covering Salesforce, Lokka, and more.

Heroku Meetup #18 Connect! Participation Report #herokujp

Trip report from Heroku Meetup #18 Connect! — AWS-to-Heroku migration, Heroku Connect, and Kafka on Heroku.

Gave a Slack Introduction Talk at 'My Secret Tips Championship Tournament! #1'

Slides from an in-house lightning talk introducing Slack for work efficiency.

Inside Frontend #1 Participation Report #insideFE

Notes and impressions from the sessions I attended at the Inside Frontend #1 conference.

Five cultural differences between Japanese and US companies you should know

A colleague's Tech Talk Tokyo #4 slides on five cultural differences between Japanese and US companies.

Speaking at JP_Stripes Connect 2026 — The Reality of Building and Billing AI Products, in Yokohama

On August 1, 2026, I attended JP_Stripes Connect 2026 in person at Iwasaki Gakuen Information Technology College in Yokohama, and spoke at the track session 'The Reality of Building and Billing AI Products.' This post summarizes the topics I covered (building AI products in production, and designing token-based and usage-based billing on Stripe), along with the full list of URLs I referenced on stage.

JP_Stripes Fukuoka Vol.12 Presentation Report ~ Pioneering Stripe API Migration with Speculative Implementation × AI

I recently presented at JP_Stripes Fukuoka Vol.12 with the title 'Pioneering Stripe API Migration with Speculative Implementation × AI.' I shared a case study on how we visualized Stripe API migration risks using AI and efficiently promoted the project in a safe manner. This article shares the content of that presentation.

I Contributed to the Official Site for Kaze to Rock Imonikai 2014 BASEBALL

Kaze to Rock Imonikai 2014 BASEBALL ran on September 27 and 28, 2014. Its official site featured a countdown styled after a ballpark scoreboard, and I implemented the days-remaining logic in JavaScript. A small scope, but one worth recording.

'Product Managers Talk About Their Careers. For Engineers Under 35 Aspiring to be PdM【kiitokMeetup】' Participation Report #kiitok_meetup

Notes and takeaways from the kiitokMeetup event on product manager careers for aspiring PdMs.

'Building Engineering Organizations at Rapidly Growing Mega Ventures [M3 × MonotaRO]' Event Report #エンジニア組織_findy

Notes from Findy's M3 x MonotaRO event on how mega ventures build engineering organizations.

Event Organizer's Report: Chinese Restaurant 'Suiran' Was the Perfect Choice for Post-Makuhari Messe After-Party

After a large-scale exhibition at Makuhari Messe, the after-party celebration is truly special. 'Chinese Restaurant Suiran' was outstanding, so I'm enthusiastically recommending it to future event organizers.

nanapi Study Session vol4 【nanapi x Hatena】Points that can be stolen from Hatena and nanapi's development flow

Notes from nanapi Study vol4 reports: Wercker, Teatro, CasperJS, and nanapi's deployment flow.

PDXNode Presentation Night July 2017 Participation Report

A recap of PDXNode Presentation Night in July 2017, the Portland Node.js community meetup.

Read CodeZine's Pre-Event Report Before Going to 'PyCon JP 2011' [Python]

A round-up of CodeZine pre-event reports worth reading before PyCon JP 2011.

Reading Notes: 'Community Building Textbook: Cultivating Fans and Growing Business' by Azu Kawahara

Notes on Azu Kawahara's community-building book — registration curves, the 30–50 sweet spot, and the 1:1:1 ratio.

Won ANTOR-JAPAN Award at 'Think Regional Revitalization in Tokyo! RESAS API Hackathon'

First-hackathon report: team Zen OS won the ANTOR-JAPAN Award at the RESAS API Hackathon.

Retty Office Moving Party

A short note from Retty's office moving party, where the Tsukiji-fresh sushi stole the show.

Report from 'Shibuya EC Meetup vol.2' #pbtech

A participation report from Pepabo's 'Shibuya EC Meetup vol.2' — LT sessions, a theater performance, and social hour.

[Ruby] Shinjuku.rb #3 Memorandum

Notes from Shinjuku.rb #3, including talks on Padrino, mocktra, and a Rails3 Recipe Book reading group.

Speaking at 'Startup Meetup Kumamoto @ XOSS POINT.'

Speaking at Startup Meetup Kumamoto @ XOSS POINT. about a kindergarten search chatbot on Amazon Bedrock.

Startup Study #9 Attendance Report

Attended Startup Study #9 at Kumamoto Shintoshin Plaza. Hosted by Yuma Sugiyama, the event featured a panel talk by Yukinori Fukatsu on Japanese startup strategies.

Stripe Local Fukuoka - The Reality of B2B Payments in Japan and the Evolution of Stripe

I attended Stripe Local Fukuoka and learned about the latest trends in payment processing and B2B transactions. Stripe can process single payments up to 99,999,999 JPY, and B2B credit card transactions in the range of 10,000 to 99,999,999 JPY are more common than you might think. I also shared my experience of building Tax, Subscription, and Radar features from scratch before Stripe offered them natively.

Spoke at TechLead Conference 2026 powered by connpass

I spoke at "TechLead Conference 2026 powered by connpass" on "Tackling Technical Debt in the AI Era." Starting from two questions ("Whose debt is this, really?" and "Do we actually need to pay it down?"), I shared practical lessons on how technical debt should be reframed when AI coding agents sit at the center of implementation.

Tokyo Node Academy 15th Session Participation Report #tng15

Notes from Tokyo Node Academy 15th session (#tng15) — io.js, Extensible Web, and more.

Report from 'UZABASE Meetup#3 ~Improving Team Productivity~' #UzabaseMeetup

A participant report from UZABASE Meetup#3 on improving team productivity.

Vue.js Tokyo v-meetup="#3" Participation Report #vuejs_meetup3

A personal summary of the sessions I attended at Vue.js Tokyo v-meetup #3.

Presented 'What We Practice for Continuous npm update' at We Are JavaScripters! @17th #wejs

My talk 'What We Practice for Continuous npm update' at the We Are JavaScripters! @17th meetup.

"YAPC::Asia Tokyo 2015" 8/21(Fri) Retrospective #yapcasia

Day 1 recap of YAPC::Asia Tokyo 2015 — session notes and impressions from the 10th and final edition.

"YAPC::Asia Tokyo 2015" 8/22(Sat) Retrospective #yapcasia

Day 2 recap of YAPC::Asia Tokyo 2015 — session notes and impressions up to the closing session.