Jun Kagaya
Conversion Rate Optimization Engineer
Shibuya, Japan
Summary
👤
Senior🎓
Top SchoolJun Kagaya is a Conversion Rate Optimization Engineer with nine years of hands-on experience improving user journeys and shipping full‑stack solutions across startups and enterprise clients in Japan. At Kaizen Platform he designs A/B experiments that have driven 15–25% lifts in conversions for Japanese enterprises, combining analytics-driven funnel diagnosis with implementation know-how. Previously he built customer-facing mobile/web apps and SEO-optimized sites as a full‑stack developer and helped secure product quality through automation testing and SQL-backed application work. Based in Shibuya and fluent enough to get things done in Japanese, he also recruits talent for Japan through EpicJapan Jobs, bringing a rare mix of technical depth and hiring insight. A former music major turned computer scientist, Jun brings a creative perspective to optimization and a genuine passion for tinkering beyond the obvious.
9 years of coding experience
5 years of employment as a software developer
Graduate Diploma, Computer Science, 6.25, Graduate Diploma, Computer Science, 6.25 at Auckland University of TechnologyBachelor of Music, Music, Bachelor of Music, Music at The University of Auckland
Chinese, Japanese, English
Stackoverflow
149reputation
167kreached
9answers
2questions
Github Skills (85)
javascript10
browser10
paper10
static-site-generator10
nextjs10
react10
nlp9
compiler9
testing9
hybrid9
wysiwyg9
rte9
contenteditable9
vercel9
chrome-extension9
Programming languages (7)
Github contributions (5)
gieoon/NextJS-Firebase-CMS-Blank-Template-
Aug 2022 - Feb 2023
Headless CMS Website Builder Template for Vercel + Firestore. webbi.co.nz and featured sites were made with this.
Contributions:66 commits, 4 PRs, 173 pushes in 5 months
gieoon/gieoon.github.io
Jun 2017 - Nov 2022
Contributions:11 pushes, 1 branch in 5 years 5 months
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