Masaki Utsumiya
Technical Lead at Cisco
Portland, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolMasaki Utsumiya is a Technical Lead based in Portland, Oregon with nearly a decade of focused experience delivering user-centered web applications and UIs. He blends deep front-end expertise in JavaScript/TypeScript, React, D3 and GraphQL with a strong background in legacy modernization—having re-architected and restyled complex enterprise UIs across security and observability products. Masaki has led design-driven initiatives from prototype to RSA demonstrations, modernizing Bootstrap/AngularJS apps to Material Design and component-driven Storybook workflows. Comfortable with both Java/JSP server-side work and SQL optimizations, he excels at bridging UX, engineering, and product under tight timelines. Known for rapid learning and pragmatic engineering, he repeatedly improves developer productivity and system performance in high-stakes environments. His career arc—from embedded test engineering to research systems and enterprise security UIs—gives him a rare mix of low-level rigor and front-end polish.
9 years of coding experience
20 years of employment as a software developer
MS Computer Science, MS Computer Science at University of MinnesotaBS Computer Science, BS Computer Science at The University of Texas at AustinAE Electrical Engineering, AE Electrical Engineering at Kitakyushu National College of Technology
Japanese
Github Skills (15)
d3js9
visualization8
react8
data-visualization6
react-component6
notification5
dispatch5
redux4
react-components3
typescript3
higher-order-component3
storybook2
redoc1
api-documentation1
api1
Programming languages (3)
Github contributions (5)
jask-oss/rdk
Mar 2019 - Jun 2020
🛠 React Component Developer Kit
Contributions:7 PRs, 8 pushes, 10 branches in 1 year 3 months
react-componentreactdeveloper-kitstorybookreact-components
mutsumiya/react-tippy
Apr 2018 - Apr 2018
Contributions:2 pushes in 7 days
reacttooltiptypescriptpoppertippy
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.