Senior Java Backend Engineer @Leading IT in Tokyo ~8M

東京23区 派遣社員 年収 600万円 - 800万円 外資系企業 在宅可・ハイブリッド勤務可 求人詳細を見る
We are hiring a Senior Java Backend Engineer (Tech Lead level) to design, develop, and operate large-scale web backend systems for a major e-commerce marketplace. You will lead system design decisions, guide engineering teams, and ensure high availability during peak traffic events.
  • Work on one of the largest high-traffic e-commerce platforms in Japan
  • Senior-level, architecture-driven role offering strong technical ownership

企業情報

The client operates Japan's largest online shopping marketplace, serving tens of millions of consumers. Engineers work in a highly challenging environment where performance optimization, system resilience, and continuous improvement are essential.

職務内容

  • Understand business priorities and deliver high-quality backend services under tight schedules
  • Lead backend architecture design for high-traffic web systems
  • Make technical decisions considering scalability, maintainability, and long-term service growth
  • Lead design, development, testing, and release of new and existing backend features
  • Guide engineering teams and resolve complex technical issues



理想の人材

  • Proven experience as a Technical Lead for high-traffic web systems
  • 5+ years of Java backend development experience (Java + Spring Boot)
  • Strong experience in REST API design, development, JUnit testing, and code reviews
  • Production monitoring and troubleshooting experience
  • Experience with Oracle or MySQL
  • Experience using Tomcat or WebLogic
  • Hands-on experience with Linux, Git, Gradle
  • CI/CD experience using Jenkins or similar tools
  • Experience using Docker and Kubernetes in system development
  • Business-level English communication skills



条件・待遇

  • Compensation: Up to ~8M JPY (depending on experience)
  • Long-term contract (initial 2 months, then 3-month renewals)
  • Senior, architecture-focused Java role
  • High-impact system used by millions of users
  • Weekends & holidays off
  • Working hours: 9:00 - 17:30



コンタクト
Hikari Takamura
求人番号
JN-102025-6871373
電話
+813 6832 8903

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
Hikari Takamura
担当コンサルタントの電話番号
+813 6832 8903
求人番号
JN-102025-6871373
企業タイプ
外資系企業
勤務形態
在宅可・ハイブリッド勤務可

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