I Attended ALL STAR SAAS CONFERENCE 2024

A short recap of ALL STAR SAAS CONFERENCE 2024 in Ebisu, Tokyo, with the sessions I attended.

Attended Developers Summit 2025 FUKUOKA

I attended DevSumi Fukuoka 2025 and gained many insights about the future of AI and engineers. In this article, I report on the learnings from particularly impressive sessions and the overall atmosphere of the event.

I Participated Online in Generative AI Conference 2024

Sessions I watched and my impressions from attending Generative AI Conference 2024 online.

I Attended GitHub Universe Recap Tokyo 2024

The sessions I attended and my takeaways from GitHub Universe Recap Tokyo 2024.

Inside Frontend #1 Participation Report #insideFE

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

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.

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.

Attended RubyKaigi 2024

A short record of attending RubyKaigi 2024 on-site as a first-time attendee, with a link to my company's report.

Attended SRE NEXT 2024

Hybrid participation in SRE NEXT 2024. Attended on-site on day one and watched online on day two, gaining many insights.

Attended SRE NEXT 2025

I attended SRE NEXT 2025 on-site. This was my second consecutive year participating, following last year.

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.

TSKaigi 2024 Individual Sponsor & Participation Report

A report from TSKaigi 2024 as an individual sponsor and on-site participant, including the sponsor perks.

TSKaigi 2025 Individual Sponsor & Participation Report

I participated in TSKaigi 2025 as an individual sponsor. This article reports on session summaries and insights gained from the event.

TSKaigi 2026 Individual Sponsor & Participation Report

I participated in TSKaigi 2026 as an individual sponsor and on-site attendee, flying in from Kumamoto. This article reports on session summaries and insights gained from the event.

"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.

I Applied for Lightning Talks at YAPC::Fukuoka 2025

I applied for three lightning talks at YAPC::Fukuoka 2025: 'I Create the AI Agent I Want to Use,' '24365, I Want to Work with AI,' and 'AI99 ~ Racing Through 99 Emotions of Working with AI in 300 Seconds.' Unfortunately, all three proposals were rejected.

Submitted a Proposal to YAPC::Fukuoka 2025

Vibe Coders who utilize increasingly popular AI coding tools. Common patterns, stumbling points, and concrete measures to reduce review burden while ensuring quality that emerged from code reviews of Vibe Coders. A proposal submitted to YAPC::Fukuoka 2025.