yskttm

Engineering Manager at Recruit, working on StudySapuri.

About

• 12+ years in web development — Kakaku.com (Tabelog) → Recruit (StudySapuri)
• Engineering Manager overseeing 3 teams, up to 15 engineers
• Led StudySapuri's largest 0→1 product launch: 5 microservices, 15-person team, 3 years
• Grew engineers from within: promoted 1 tech lead and 3 managers
• Long tenure as playing manager — hands-on in architecture, code review, and delivery alongside team building
• Cross-functional executor across legal, CS, marketing, and PdM

Tech

Backend: Ruby on Rails · Node.js · Express · GraphQL · PostgreSQL · Redis
Frontend: React · Next.js · Vite · TypeScript
Infra: AWS · GCP · Kubernetes · Terraform · GitHub Actions · Argo Workflows
Observability: Datadog · Sentry · New Relic
Other: Playwright · Autify · KARTE · LaunchDarkly

Projects

• codeowners-validator — Ruby tools for validating GitHub CODEOWNERS files
• gh-activity — GitHub CLI extension to aggregate Issue/PR activity
• dotfiles — My dev environment

Media

• BS TV Tokyo — Career feature segment