Geonsang Yoo
Full Stack Engineer at ミツモア
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolGeonsang Yoo is a multilingual full stack engineer based in Tokyo with nine years of experience building production web and mobile applications across startups and enterprise projects. He has delivered end-to-end features using React, Next.js, Vue, FastAPI, Ruby on Rails, and Flutter, and has hands-on experience with infrastructure tooling like Terraform on GCP. His recent work spans billing and business-management applications at Mitsumoa and Sansan, as well as cross-platform mobile development and prototyping for a job-search network at Wannagrow. Prior roles include frontend specialization at Money Forward and SAP-focused technical consulting at NTT DATA and Samsung SDS, giving him a rare blend of product-facing delivery and large-scale ERP migration experience. A physics and computer science graduate from Konkuk University, he brings analytical rigor to engineering problems and a penchant for bridging legacy enterprise systems with modern cloud-native stacks. Fluent in Korean and working in Japan, he often operates at the intersection of multicultural teams and technically complex domains.
9 years of coding experience
3 years of employment as a software developer
Bachelor's degree, Physics, Bachelor's degree, Physics at Konkuk University
Korean, English, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
camera7
scanning6
face-detection5
react4
react-native4
ios3
python1
Programming languages (6)
Github contributions (5)
geonsangyoo/dailybear
Dec 2020 - Jan 2022
Contributions:111 commits, 4 pushes, 2 issues in 1 year 1 month
geonsangyoo/algorithm
Dec 2019 - Feb 2023
Contributions:42 pushes, 2 branches in 3 years 3 months
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