Fujiwara Shuichi
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolFujiwara Shuichi is a seasoned experience-design engineer with 20 years building efficient, user-focused tools and simplifying workflows across a wide technical stack—from handset drivers and PBX to server-side systems and native/web apps. Based in Tokyo, he brings deep hands-on expertise in back-end, DevOps and cross-platform development, and is the original author of ecspresso, a noted ECS deployment tool, while contributing performance and containerization improvements in isucon-style exercises. Passionate about intuitive interfaces and extracting user empathy into product decisions, he prefers working on in-house products and R&D rather than contract work. His open-source contributions show a pragmatic focus on reliability and observability, adding integrations and robustness to monitoring plugins and deployment workflows. Quietly versatile, he pairs low-level systems experience with product-minded UX sensitivity to create practical, scalable solutions.
20 years of coding experience
学士, 工学部情報工学科, 学士, 工学部情報工学科 at 兵庫県立大学
Chinese, Japanese
Github Skills (24)
docker10
deploying10
data-collection10
amazon-ecs10
apidoc10
containerization10
dockers10
go10
api10
aws10
performance-optimization10
golang10
collections10
ack10
metric10
Programming languages (11)
Github contributions (5)
kayac/ecspresso
Nov 2017 - Jan 2023
ecspresso is a deployment tool for Amazon ECS
Role in this project:
Backend Developer
Backend DeveloperContributions:34 releases, 35 reviews, 1018 commits in 5 years 3 months
Contributions summary:Fujiwara was the initial developer of the `ecspresso` deployment tool for Amazon ECS, as demonstrated by the first commit. They implemented core functionality including task definition management, service updates, and service health checks. The user wrote Go code to interact with the Amazon ECS service API to register task definitions and update the service's configuration. Further contributions included adding options and functionalities such as the "create", "delete", and "run" subcommands, along with the implementation of environment variable settings.
ecsecspressodeploymentamazondeployment-tool
mackerelio/mackerel-agent-plugins
Oct 2017 - Nov 2022
Plugins for mackerel-agent
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 9 commits, 3 PRs in 5 years 1 month
Contributions summary:Fujiwara primarily contributed to the development of plugins for the mackerel-agent, focusing on integrating with various services like AWS CloudFront, Plack, and Fluentd. Their work involved implementing metrics collection, parsing responses, and extending functionality to support newer versions of the integrated services. They also added features such as support for self-signed certificates, basic authentication, and the suppression of missing value errors. The user has also added script metrics for elasticsearch.
golangagentmackerel-agentmackerelmetrics
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