Seiji Toyama
Freelance Programmer
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolSeiji Toyama is a versatile freelance programmer with 17 years of experience building backend services, cloud infrastructure, and client applications across AWS and GCP. He combines deep hands‑on skills in Golang, Ruby, and CI/CD with infrastructure automation using Terraform, Ansible, and CloudFormation, and is comfortable containerizing systems with Docker and Vagrant. His background spans mobile and game development—shipping iOS apps in Objective‑C/Swift and Unity game clients and plugins in C#, C++, and Java—plus early re‑architecture work in large web systems. Currently studying information technology at university while freelancing, he brings both practical production experience and an appetite for deeper formal understanding. Notably, he pairs low‑level C/C++ expertise with cloud native patterns, allowing him to bridge performance‑sensitive components and scalable platform design.
17 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Information Technology, Bachelor's degree, Information Technology at Teikyo UniversityBachelor's degree, Geology/Earth Science, General, Bachelor's degree, Geology/Earth Science, General at Nagoya University
Stackoverflow
329reputation
22kreached
10answers
0questions
Github Skills (42)
sketchup8
esxi7
rspec7
homebrew-cask7
bundle7
vcenter7
elasticsearch6
redfish6
gitlab6
aws-acm6
cisco6
mac-app-store6
amazon-ec26
slack6
aws6
Programming languages (5)
Github contributions (5)
seiji/homebrew-formulas
Jul 2015 - Jan 2022
Contributions:44 pushes, 1 branch in 6 years 7 months
seiji/dotfiles
Apr 2009 - Jan 2023
Contributions:498 commits, 12 PRs, 247 pushes in 13 years 11 months
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