Shohei Yamasaki
ソフトウェアエンジニア at フリーランス
Fukuoka, Japan
Summary
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SeniorShohei Yamasaki is a seasoned freelance software engineer based in Fukuoka with nearly two decades of hands-on experience building and maintaining production systems across major Japanese tech companies like Mercari, Yahoo, and GMO Pepabo. He combines deep technical craft with people leadership—having served as engineering manager and team lead—while staying close to the code and current technology trends. Known for his “subtractive implementation” approach, Shohei favors simple, sufficient solutions that reduce long-term complexity and maintenance cost. He mentors junior engineers and helps improve team processes, bringing both trustworthiness and delivery focus to projects. Though now freelancing, he retains a track record of shipping scalable features in fast-moving product environments.
13 years of coding experience
7 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (44)
cli8
php8
minify8
zombie8
static-analysis8
cron8
webhooks7
cdn7
automation7
act7
html6
slack6
ruby6
javascript6
quickfix6
Programming languages (10)
Github contributions (5)
shoyan/slack-weather-notifier
Oct 2015 - Mar 2020
Contributions:4 commits, 8 pushes, 1 branch in 4 years 6 months
shoyan/slack-incoming-webhooks
Sep 2015 - May 2020
A simple wrapper of slack incoming webhooks in Ruby.
Contributions:7 commits, 1 PR, 14 pushes in 4 years 8 months
rubyslackwebhooks
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