Takatsugu Ishikawa
DevOps Engineer / Full-Stack Developer
🏢 Main Career
DevOps / Platform Engineer / SRE
Telecom Industry — Cloud Platform Team
Building and operating Kubernetes infrastructure with deployment automation.
Microservice orchestration, Helm chart management, CI/CD pipeline design,
Secret management on K8s, large-scale DB migration, service mesh configuration.
💼 Side Projects
Account Management Platform
Enterprise / Telecom
Multi-stage approval workflow
Azure AD integration
FastAPI / Next.js / AWS
Certification Body Portal
Public Institution
Members-only web system
CMS migration to Laravel
Laravel / Filament / MySQL
Training EC Platform
Education / Training
Online course sales platform
Payment & membership system
WordPress / WooCommerce
Exam Prep App
Education / Certification
Mock exams & quiz challenges
3-mode study application
Next.js / Play Framework
Pet Food EC Site
Consumer / E-Commerce
EC site with custom features
Pet health profile system
WordPress / WooCommerce / Ansible
⚡ Tech Skills
Languages
Infrastructure
Frameworks
DevOps
📈 Career Timeline
K8s + CI/CD Deep Dive
Ramped up on Kubernetes, Jenkins, and Java/Spring Boot — learning and shipping in parallel
Expanding Tech Scope
Docker, Helm, DB operations, cloud security — tackling a wide range of infrastructure challenges
Full-Stack Side Projects
Expanding into Python/FastAPI/Clean Architecture. Multiple freelance projects running in parallel
Exploring Independence
Managing multiple concurrent projects while exploring the path to independent consulting
🎯 Personal
Sports
Futsal (tournament organizer)
Football fan & referee
Skiing (Hokkaido native)
Running
Music
J-Pop enthusiast
Yumi Matsutoya
Tsuyoshi Nagabuchi
Koji Tamaki, Ulfuls
AI & Learning
Heavy AI user
ChatGPT & Claude daily
Tech to life hacks
English (NZ study abroad)