Last Updated: 2026-03-08
Me
Name
Beagle
Overview
AI Enthusiast
Freelance Software Engineer
Tech Writer, Indie Developer
Based in Saitama, Japan — born in Sapporo
Contact
X:
@beagle_dog_inu
GitHub:
beagleworks
Zenn:
beagle
Career / Work
Business Name
Beagle Works
Career
Working as a freelancer since university
Skill Set
Development & Operations
- Technology selection & architecture design
- General software development
- Full-stack web application development
- System operations, maintenance & security
AI
- Planning & developing LLM-powered applications
- Development with coding agents & organizational adoption
- AI adoption support, promotion & training for organizations
Management & Business
- Engineering management
- Product management (apprentice)
Writing & Speaking
- Writing tech books & articles
- Speaking at AI-related events (LTs, 15-min sessions, talks)
Current Interests
- Research on SDD (Spec-Driven Development)
- Keeping up with Claude Code and Codex
- Indie development (mostly for personal use)
- Writing technical articles
- Networking & speaking at offline events & meetups, attending #aimeetup events
Certifications
- Network Specialist
- Information Security Management Examination (registered 2017–2023)
Work History
- Development & operations of event production web applications (2014–2026?)
- Support for transitioning to fully remote work environments (2020)
- PoC development with LLMs, planning & development of LLM-based productivity apps (2024, 2025)
- New development of business applications (multiple)
- Website creation, operations & maintenance (multiple)
- Tech book writing (published in Software Design, February 2026 issue)
…and more. Some can be shared publicly — may introduce them later.
Speaking History
- March 3, 2026 — Vibe Coding Feature from Software Design Feb. Issue hosted by Work≠Build (invited)
- March 19, 2026 — Codex Meetup Tokyo #1 hosted by AIAU — LT (proposal accepted)
Speaking Attempts
- October 2025 — LT on indie development (event not held)
- October 2025 — Session on Sora prompt techniques (event cancelled)
- 2025 — Talk on Spec-Driven Development (event cancelled?)
- February 2026 — “Deep Dive into Claude Code” LT meetup hosted by Findy, Inc. (proposal rejected)
- March 2026 — Claude Code Meetup Japan #3 hosted by AI-Driven Dev Study Group (proposal rejected)
Events Requiring Approval to Attend
- December 22, 2025 — Claude Code Meetup Tokyo hosted by #aimeetup
Personal
Hobbies
I don’t have that many hobbies, which makes it awkward when asked
- Keeping up with IT technology
- Writing
- Programming (AtCoder blue rated)
- PC building
- Collecting small figures (Dragon Quest monster mini figures, etc.)
- Shogi (casual player)
- Watching horse racing (as a sport, not gambling)
Family
Wife, two daughters
Fun Facts
-
I know plenty of great spots in Hokkaido, so feel free to ask when planning a trip!
(Though things have changed so much lately that I’m losing confidence…) -
For work, writing, or speaking inquiries, please contact info_0@beagleworks.net or reach out via X DMs.
The email address above is changed periodically, so please check this page instead of saving it to your address book.