hamkuu.github.io

Overview

Hello, I am Hirokoma, a.k.a Haoju, a professional Python developer located in Tokyo.

I have been working on web development for seven years, specializing in Python since 2020.

Most Active Expertise

• Domain-driven Design
• Python 3.11, 3.12, 3.13
• Django 4.2
• Django REST framework 3.15
• FastAPI 0.111
• FastHTML 0.2
• pytest 8.2
• Vue 3

Favorite Books Read ≥2 Times

• Computer Systems: A Programmer's Perspective by Randal E. Bryant, David Richard O'Hallaron
• The Opportunity Analysis Canvas by James V. Green
• Solving Identity Management in Modern Applications by Yvonne Wilson, Abhishek Hingnikar
• Designing Data-Intensive Applications by Martin Kleppmann
• Learning Domain-Driven Design by Vladik Khononov
• A Philosophy of Software Design by John Ousterhout
• Company Of One by Paul Jarvis

Experienced Tech Stacks

• Languages: Python3, C++, SQL, Ruby
• Framework/libraries
  • Backend: Django, GeoDjango, DRF, FastAPI, Pytest, Celery, django-allauth
  • Frontend: Next.js, React.js, Vue 3
• Data: Postgres, PostGIS, Kafka, Debezium
• DevOps
  • Git, Docker, pre-commit
  • CI/CD: Jenkins, CircleCI, GitHub Actions
• Cloud Services: AWS, GCP
• System Design: REST API, Distributed Architecture, OAuth2 & OIDC