Yasuhiro Okada
Freelance Software Engineer at primeNumber Inc.
Tokyo, Japan
Summary
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SeniorYasuhiro Okada is a Tokyo-based freelance software engineer with over a decade of experience building full-stack systems and managing cloud infrastructure for startups and enterprises. He combines backend expertise in Go and Ruby on Rails with front-end work in React, Vue and Elm, and routinely handles AWS/GCP infrastructure using terraform and monitoring tooling. As a technical director on projects like tetoru he has led scheduling, architecture decisions, non-functional requirements and security-conscious deployments. His background includes native app development (Android, iPhone, Windows) and early-career work in antivirus and embedded tooling, which gives him a pragmatic, systems-level perspective. He is particularly interested in applying his skills to education and eldercare systems, blending product thinking with hands-on implementation. Outside client work he maintains a public developer presence (github.com/yas-okadatech) and favors practical automation—aptly hinted by his terse GitHub bio.
10 years of coding experience
12 years of employment as a software developer
Japanese, Chinese
Github Skills (16)
facebook10
testing10
javascript9
elixir8
code-analysis7
linter7
static-analysis7
consistency6
aws6
paperclip5
static-code-analysis3
storage3
attachment3
react3
flux2
Programming languages (2)
Github contributions (5)
yasuhiro-okada-aktsk/sample_phoenix_react
Oct 2015 - Dec 2015
Contributions:92 commits, 8 PRs, 94 pushes in 1 month
reactelixirphoenixflux
yasuhiro-okada-aktsk/sample_redux
Oct 2015 - Nov 2015
Contributions:14 commits, 21 pushes, 1 branch in 7 days
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