Poem
14 articles
Reflections on 2025 and Aspirations for the Coming Year
Understand 2025 career reflections on system design mastery, AI dependency, and tech skills growth through annual personal aspirations.
Resignation Entry
Reflect on career growth, personal milestones, and gratitude after 5.5 years as application and infrastructure engineer.
Participated in ISUCON11
Explore ISUCON11 performance tuning strategies including pprof, alp logs, N+1 queries, and MySQL optimization techniques.
Production Deployment with VPS, Docker Compose, Docker Machine, Golang, Nginx, and Let's Encrypt
Deploy Golang applications with Docker Compose, Nginx reverse proxy, and Let's Encrypt SSL/TLS certificates on VPS.
Completed All PHP Conferences in 2019
Complete guide to attending all Japanese PHP conferences in 2019: Sendai, Laravel JP, PHPerKaigi, Fukuoka, Hokkaido, Okinawa.
Attending PHP Conference Okinawa 2019
Master PHP metaprogramming, OOP, clean architecture, DDD, web security, mutation testing, and code quality preservation.
Attended PHP Conference Hokkaido 2019
Discover PHP fundamentals, CI/CD pipelines, microservices, testing frameworks, and CPU architecture concepts from sessions.
Participated and Presented at PHP Conference Fukuoka 2019
Understand URL routing creation in PHP through conference talk, clean architecture, and code deletion best practices.
Participated and Presented at PHPerKaigi2019
Discover insights from PHPerKaigi 2019 conference participation, including presentation experiences and URL routing design.
Publishing Casual Trello and Casual Spreadsheet and Starting to Measure Private Tasks
Implement personal task management using Trello and spreadsheets with story points and sprint planning for productivity.
Attended PHP Conference Sendai 2019
Learn TDD approaches, legacy PHP application migration, PSR implementations, middleware design, and testing pain solutions.
Presented at the PHP Conference 2018 LT Session
Explore engineer career theory from a 20s perspective at PHP Conference 2018, reflecting on growth and future trajectories.
Presented at PHP Conference 2017 on "Starting OSS as a Third-Year Engineer"
Discover insights from presenting OSS development as a third-year engineer at PHP Conference 2017 and gaining community stars.
My First Experience with OSS
Discover open source software development on GitHub and learn collaborative coding fundamentals for public projects.