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Build Scalable Payment APIs | Java Engineer (Mid)

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 high-impact engineering team building secure, scalable payment APIs used across a global digital ecosystem. You will contribute end-to-end across design, development, and operation of Java-based microservices in a fast-paced, collaborative environment.
  • Work on high-scale, mission-critical payment platforms
  • Drive microservices innovation in a global tech ecosystem

企業情報

Our client is a large, globally recognized technology and internet services group operating a diverse digital ecosystem. Their platform division builds and runs the core infrastructure and payment systems that power multiple high-traffic services worldwide.

職務内容

  • Design, develop, test, and deploy Java-based payment applications and RESTful APIs
  • Contribute to scalable and secure microservices architecture
  • Collaborate with engineers, product managers, and stakeholders to meet business needs
  • Participate across the full SDLC, from requirements to production support
  • Identify performance bottlenecks and improve system reliability and scalability
  • Integrate third-party services and ensure secure data exchange
  • Maintain and create technical documentation
  • Conduct code reviews and follow best practices (Git, Agile, design patterns)
  • Apply performance tuning and optimization techniques
  • Continuously evaluate new tools, technologies, and engineering practices



理想の人材

  • Experience as a Software Engineer with strong Java and SQL skills
  • Hands-on experience with Spring Boot and Spring Framework
  • Front-end fundamentals (HTML, CSS, JavaScript) for full-stack contribution
  • Experience designing and developing RESTful APIs
  • Knowledge of microservices architecture and best practices
  • Understanding of secure coding and application security principles
  • Experience with version control (Git) and Agile methodologies
  • Familiarity with performance optimization and scalability techniques

Preferred Skills

  • Exposure to AI prompt engineering or AI-assisted coding tools
  • Experience with cloud platforms (e.g., AWS)
  • Knowledge of Docker, Kubernetes, and container orchestration
  • Familiarity with distributed tracing and monitoring tools
  • Experience in e-commerce platforms or high-traffic systems
  • Testing experience (unit, integration, performance)
  • Open-source contributions or technical community involvement

条件・待遇

  • Opportunity to work on high-scale, real-world payment systems
  • Collaborative, international engineering environment
  • Exposure to modern microservices and cloud-native architectures
  • Strong focus on security, performance, and best practices
  • Career development within a large, tech-driven organization



コンタクト
Serena Wu
求人番号
JN-072026-7062682
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-072026-7062682
企業タイプ
外資系企業

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