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Senior Front-End Developer for Large-Scale E‑Commerce Platforms

東京23区 派遣社員 年収 600万円 - 800万円 外資系企業 求人詳細を見る
This role focuses on developing and operating front-end services for a large-scale online marketplace used by a broad consumer base. You will contribute across the full development lifecycle while improving performance, quality, and user experience.
  • Build consumer-facing features used by millions
  • Long-term project with stable working hours

企業情報

Our client is a large multinational e-commerce and digital services group operating one of Japan's most established online marketplace platforms. The organization is technology-driven, with strong investment in scalable systems that support both consumers and business partners.

職務内容

  • Develop and operate consumer-facing web services using modern front-end technologies (JavaScript, HTML, CSS)
  • Participate in system design, development, testing, and release across multiple projects
  • Improve front-end performance, quality, and maintainability
  • Handle operational tasks including inquiries, investigation, and issue resolution from consumers and merchants
  • Collaborate with cross-functional global teams using English as the working language
  • Create design documents, test cases, and technical documentation
  • Implement and maintain unit and integration tests throughout the development lifecycle



理想の人材

Required Skills & Experience

  • 3+ years of front-end development experience using JavaScript, HTML, and CSS
  • Hands-on experience with React.js and/or Node.js
  • Solid understanding of front-end performance optimization
  • Working knowledge of web security fundamentals
  • Experience in system design and technical documentation
  • Experience with unit testing and integration testing
  • Business-level English communication skills

Preferred Skills

  • Experience using ESLint
  • JavaScript unit testing experience (Jest, Intern, WDIO, etc.)
  • Ability to design front-end architecture
  • Experience in system operations, investigation, and improvement
  • Familiarity with Git
  • Proactive mindset with the ability to identify issues and drive solutions independently

条件・待遇

  • Weekends and public holidays off
  • English-speaking, international engineering environment
  • Opportunity to work on a high-traffic, large-scale consumer platform



コンタクト
Serena Wu
求人番号
JN-052026-7008297
電話
+81 3 6627 6137

求人情報

分野
IT
職種
プログラミング＆開発
業界
IT・通信
勤務地
東京23区
雇用形態
派遣社員
担当コンサルタント
Serena Wu
担当コンサルタントの電話番号
+81 3 6627 6137
求人番号
JN-052026-7008297
企業タイプ
外資系企業

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