Yoichi Fujimoto
Software Engineer at Open Collector, Inc.
Tokyo, Japan
Summary
👤
SeniorYoichi Fujimoto is a seasoned software engineer based in Tokyo with 17 years of experience building web applications using Python and JavaScript. He has delivered backend APIs and rich front-end experiences across payments and FinTech domains at companies like BASE, Merpay (Mercari), and Open Collector. His background spans startups and product teams, including a co-founder role, giving him both hands-on engineering depth and product-oriented intuition. Yoichi frequently works with Django, Flask, Pyramid, React and Vue, and focuses on reliable, secure systems for finance and banking services. Less obvious: he blends entrepreneurial experience with long-term platform work, making him comfortable shipping from prototypes to production at scale.
17 years of coding experience
10 years of employment as a software developer
Stackoverflow
7,299reputation
1.0mreached
5answers
1question
docker
top-1%
Github Skills (50)
docker10
windows10
linux10
raycast10
server-side-javascript10
controlled9
sdk9
server-side9
python-bindings9
indent8
npm8
nodejs8
javascript7
preset7
binaries7
Programming languages (16)
Github contributions (5)
wozozo/profiles
Jan 2015 - Mar 2025
Contributions:64 pushes, 1 branch in 10 years 3 months
payjp/payjp-python
Sep 2015 - Jun 2018
PAY.JP python bindings
Contributions:29 commits, 11 PRs, 43 pushes in 2 years 9 months
python-bindingspaypythonpython3
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