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Senior Java Full Stack Developer | High-Scale E-Commerce

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
Join a team responsible for critical checkout and order-processing systems that support one of Japan's largest e-commerce platforms. This role offers the opportunity to design, build, operate, and improve high-availability services while driving technical excellence across the software development lifecycle.
  • Own mission-critical systems used by millions of online shoppers
  • Lead large-scale backend development with modern engineering practices

企業情報

Our client is a leading large-scale e-commerce organization operating one of the most widely used online marketplaces in Japan. The company continues to invest heavily in platform reliability, scalability, and engineering innovation to enhance the experience for merchants and customers alike.

職務内容

  • Design, develop, test, and release software solutions aligned with business requirements
  • Develop and maintain critical backend APIs, consumer services, and batch processing systems
  • Support systems responsible for cart data persistence and order data creation
  • Monitor, troubleshoot, and resolve production issues in high-volume online environments
  • Collaborate closely with Product Managers, QA teams, and engineers to deliver reliable solutions
  • Lead technical discussions and contribute to architectural and design decisions
  • Drive best practices across code quality, reviews, source control, testing, deployment, and operations
  • Improve system performance, scalability, availability, and maintainability
  • Contribute to continuous improvement initiatives across the development lifecycle



理想の人材

  • 5+ years of Java EE development experience as a Full Stack Engineer
  • Strong experience developing and operating RESTful Web APIs
  • Experience supporting large-scale online production systems and handling incidents
  • In-depth understanding of the software development lifecycle, including code standards, code reviews, source code management, build processes, testing, deployment, and operations
  • Proven ability to design and develop high-performance, reliable, and maintainable applications
  • Senior-level engineering experience with the ability to lead projects and proactively collaborate with stakeholders
  • Experience developing applications using container technologies such as Docker
  • Strong problem-solving skills and ownership mindset

Preferred Qualifications:

  • Experience designing and developing solutions using RDBMS, KVS, and NoSQL technologies
  • Hands-on experience with Spring Framework
  • Experience building CI/CD pipelines and monitoring systems using tools such as Grafana
  • Experience leveraging AI technologies to enhance the software development lifecycle
  • Experience in high-traffic e-commerce or internet-scale environments

Language Requirements:

  • Japanese: Not required
  • English: Business communication level (approximately TOEIC 600 equivalent or above)

条件・待遇

  • Opportunity to work on business-critical systems with significant customer impact
  • Ownership of large-scale, high-availability backend services
  • Collaborative engineering culture with exposure to experienced technical professionals
  • Modern development environment utilizing cloud-native and container technologies
  • Opportunities to influence architecture, operational excellence, and engineering best practices
  • Career growth within a large-scale technology-driven organization
  • International and diverse working environment where English is actively used



コンタクト
Serena Wu
求人番号
JN-082026-7083411
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-082026-7083411
企業タイプ
外資系企業

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