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Java Software Engineer - Payment systems

東京都 派遣社員 年収 550万円 - 700万円 日系企業 求人詳細を見る
Join a large-scale technology organization that powers payment and incentive platforms used across a diverse digital ecosystem. As a Software Engineer, you will contribute to the development, operation, and continuous improvement of secure, scalable, Java-based payment solutions.
  • Develop mission critical payment services at scale
  • Work with modern cloud and microservices technologies

企業情報

Our client is a leading technology and digital commerce organization with a large global ecosystem. The team develops payment and incentive platforms that support millions of users and focuses on security, scalability, and operational excellence.

職務内容

  • Design, develop, test, and deploy Java-based payment applications and APIs
  • Contribute to scalable and robust microservices architecture
  • Develop and maintain secure RESTful APIs and third-party integrations
  • Collaborate with engineers, product managers, and project managers to deliver business-critical solutions
  • Participate throughout the full software development lifecycle, from requirements gathering to production support
  • Analyze performance bottlenecks and implement optimization strategies
  • Support architecture improvements focused on scalability and maintainability
  • Create and maintain technical documentation
  • Conduct and participate in code reviews while promoting engineering best practices
  • Work with monitoring and distributed tracing tools to improve system observability
  • Leverage AI-assisted development tools to improve productivity and development efficiency
  • Contribute to continuous improvement initiatives across the engineering organization

理想の人材

Required Qualifications

  • Experience as a Software Engineer or similar role
  • Strong proficiency in Java and SQL
  • Hands-on experience with Spring Boot and Spring Framework
  • Experience developing and maintaining RESTful APIs
  • Experience designing and implementing microservices architectures
  • Understanding of software design patterns, architecture principles, and development best practices
  • Knowledge of Git or other version control systems
  • Understanding of secure coding principles and application security
  • Experience with performance tuning and optimization
  • Experience working in Agile development environments
  • Business-level English proficiency (equivalent to TOEIC 800+)



Preferred Qualifications

  • Front-end development experience with HTML, CSS, and JavaScript
  • Experience with AWS or other cloud platforms
  • Experience with Docker and Kubernetes
  • Knowledge of distributed tracing and monitoring solutions
  • Experience with unit, integration, and performance testing frameworks
  • Experience in e-commerce platforms or online transaction systems
  • Experience using AI coding assistants such as GitHub Copilot or similar tools
  • Contributions to open-source projects or participation in technical communities

条件・待遇

  • Opportunity to build and enhance large-scale payment platforms
  • Exposure to high-traffic, security-focused systems
  • Modern engineering environment utilizing microservices and cloud technologies
  • Collaboration with international and cross-functional teams
  • Opportunity to adopt and expand AI-assisted software development practices
  • Stable long-term engagement with extension potential
  • Tokyo-based position with standard business hours (9:00-17:30)
  • Exposure to mission-critical products supporting a global digital ecosystem
コンタクト
Kayo Tojo
求人番号
JN-072026-7067831
電話
+81 366276145

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
東京都
雇用形態
派遣社員
担当コンサルタント
Kayo Tojo
担当コンサルタントの電話番号
+81 366276145
求人番号
JN-072026-7067831
企業タイプ
日系企業

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