Park Jinsoo
Senior FinOps Engineer at Mercari, Inc.
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolPark Jinsoo is a Senior FinOps Engineer with 11 years in tech who has evolved from software development to SRE and cloud cost optimization, now driving FinOps at Mercari after roles at Sony Interactive Entertainment and Rakuten. He combines hands-on engineering experience—including front-end contributions to the Tokyo COVID-19 task force website—with certifications across GCP, AWS, Kubernetes, and FinOps to align technical choices with business financial goals. As a former CTO of an on-demand storage startup, he brings product-minded leadership and a pragmatic approach to operational efficiency. An active FinOps Certified Meetup Organizer, he blends community engagement with practice, promoting financial accountability across teams. Based in Chiyoda, Japan, he’s known for translating complex cloud telemetry into actionable cost-saving strategies while remaining eager to tackle new multi-cloud challenges.
11 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Department of Mass Communication, 3.6/4.5, Bachelor's degree, Department of Mass Communication, 3.6/4.5 at 숭실대학교 / Soongsil University
Korean, English, Japanese
Github Skills (12)
html10
date-formatting10
css10
javascript10
date-format10
front-end-development10
vue10
vue-jsx10
co9
covid-testing9
internationalization9
vi9
Programming languages (7)
Github contributions (5)
Tokyo-Metro-Gov/covid19
Mar 2020 - Mar 2020
東京都 新型コロナウイルス感染症対策サイト / Tokyo COVID-19 Task Force website
Role in this project:
Front-end Developer
Front-end DeveloperContributions:12 commits, 5 PRs, 12 comments in 3 days
Contributions summary:Park primarily contributed to the front-end development of the Tokyo COVID-19 Task Force website. Their commits focused on improving the user interface, fixing display issues, and enhancing date formatting across multiple components. They also worked on internationalization, modifying i18n keys and descriptions for improved language support. The user's work included modifications to the layout and UI elements within the application.
tokyotypescriptforcetask-force
urangurang/snipp.in
May 2021 - Aug 2021
Fast, Light weight Snippet manager and code editor inside your browser
Contributions:26 PRs, 31 pushes, 20 branches in 2 months
light-weightbrowserlightjavascriptsnippet
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.