Lead UI Development and Site Performance Optimization for Hotel Booking Business / Aim to Become a Highly Marketable Engineer Through Practical Experience in Large-Scale Traffic ServicesEnglish summary from Japanese

株式会社アドベンチャー

✓ Detailed

Salary

600-1000万円

Location

＜本社＞東京都渋谷区恵比寿4-20-3　恵比寿ガーデンプレイスタワー4F （変更の範囲）会社の定める場所

Job Type

Full-time

Work Style

・休憩時間：1時間・平均残業時間：20時間程度（2026年7月時点） ※ライフスタイルに合わせて、勤務時間を柔軟に変更することが可能です＜対象となる方＞・小学生以下の子を養育する社員で、送り迎えが必要な方・業務に関連する高度な資格取得、大学院のために通学している方・継続的な通院治療が必要な方＜変更可能な時間帯＞・8:00～17:00、9:00～18:00、11:00～20:00

Apply on LEVTECH

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Lead UI development and site performance optimization for a hotel booking business. You will be responsible for building high-quality web frontends through new feature design, implementation, and testing, contributing to the transformation of the travel industry with cutting-edge AI technology.

Must-haves

Experience in front-end design and development for hotel booking sites using Next.js/React.
Experience in UI/UX design and implementation, including mobile optimization.
Experience in page performance optimization using SSR (Server-Side Rendering).
Experience in planning and executing improvement measures for Core Web Vitals (LCP, CLS, INP).
Experience in front-end implementation for SEO (structured data, meta tag management, sitemap integration, etc.).
Experience in front-end development and improvement for admin panels (HM Admin) using Vue.js.
Experience in API specification definition and collaboration with backend engineers.
Experience in UI component design through collaboration with designers.

Nice-to-haves

Experience in code reviews and resolving technical debt.

About the Company

株式会社アドベンチャー

Posted7/26/2026

Updated2026-07-27 16:48:27

Sourcelevtech

Lead UI Development and Site Performance Optimization for Hotel Booking Business / Aim to Become a Highly Marketable Engineer Through Practical Experience in Large-Scale Traffic ServicesEnglish summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Tech stack

Work style