Kengo Hamasaki
Software Engineer at Nstock
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolKengo Hamasaki is an end-to-end web engineer based in San Francisco with 8 years of professional experience building product platforms, payment systems, and frontend infrastructure. Starting in DevOps and infrastructure, he transitioned through backend and middleware to specialize in frontend engineering while keeping strong expertise in Ruby, TypeScript, and systems-level C. As an early employee at multiple startups (including founding engineering at WebPay) he led payments work—migrating 100k+ Stripe Connect accounts and implementing SCA/eKYC flows—and built design systems and SSR solutions for legacy stacks. He contributes actively to open source (including Indiegogo-published projects) and invests as an angel in ~20 seed-stage startups across the US and Japan. Notably, he combines hands-on engineering with product, design, and customer-support experience gained as a first hire, and currently focuses on payment processing and static site generation.
8 years of coding experience
16 years of employment as a software developer
Master of Engineering - MEng Systems Engineering, Master of Engineering - MEng Systems Engineering at The University of Electro-CommunicationsAssociate of Engineering Control Engineering Information Engineering Robotics, Associate of Engineering Control Engineering Information Engineering Robotics at National Institute of Technology, Kitakyushu College
Japanese, English
Github Skills (29)
form-fields10
testing9
webpack9
vue9
vue-loader9
react9
angular9
html8
documentation8
web-components8
vite8
typescript8
validation8
vuejs28
svelte8
Programming languages (1)
Github contributions (5)
indiegogo/vuex-module-validatable-state
Apr 2019 - Aug 2020
Simple Vuex module to handle form fields and validations
Contributions:3 releases, 75 commits, 77 PRs in 1 year 4 months
validationvalidationsform-fieldsvuejs2vue
indiegogo/vue-sfc-analyzer-webpack-plugin
Mar 2018 - Jul 2019
WebPack plugin that analyze .vue files which are loaded by vue-loader
Contributions:47 commits, 4 PRs, 23 pushes in 1 year 4 months
webpack-pluginvue-filesvuewebpackloader
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