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Lead Java Backend Engineer | Build High-Scale Payment Platforms

Tokyo Temporary ¥5,500,000 - ¥6,500,000 per year Foreign Multinational View Job Description
Join a large-scale technology organization developing payment and incentive platforms that support millions of users and complex business ecosystems. This role offers the opportunity to lead backend design, build secure and scalable services, and contribute to the evolution of cloud-native platforms.
  • Work on mission-critical payment and incentive platforms
  • Drive backend architecture in a global engineering environment

About Our Client

Our client is a leading global internet and technology company operating large-scale digital commerce, payment, and platform businesses. The organization invests heavily in modern engineering practices and scalable platform development, offering engineers the opportunity to work on products with significant real-world impact.

Job Description

  • Lead the design and development of secure, scalable backend applications using Java and Spring technologies.
  • Architect and maintain high-performance RESTful APIs supporting multiple business services.
  • Establish and promote secure coding standards and application security best practices.
  • Design robust service architectures with a strong focus on reliability, maintainability, and performance.
  • Develop and optimize database solutions, including complex SQL queries and data models.
  • Build and deploy containerized applications using Docker.
  • Apply software design patterns and engineering best practices to produce clean, reusable code.
  • Collaborate with product managers, architects, and cross-functional engineering teams to deliver high-quality solutions.
  • Contribute to Agile delivery processes, code reviews, and technical decision-making.
  • Stay current with emerging backend, cloud, and distributed systems technologies.

The Successful Applicant

  • Strong commercial experience developing applications with Java.
  • Proven expertise with Spring Boot and the Spring Framework.
  • Deep understanding of secure application development principles and best practices.
  • Hands-on experience designing and implementing RESTful APIs.
  • Experience with Docker and containerized application deployment.
  • Strong knowledge of relational databases and advanced SQL.
  • Solid understanding of software design patterns and clean architecture principles.
  • Experience working with Git and Agile development methodologies.
  • Business-level English communication skills.



Preferred Qualifications

  • Experience with AWS and cloud-native application development.
  • Familiarity with microservices architecture, orchestration technologies, and distributed systems.
  • Experience working in large-scale platform or fintech environments.



What's on Offer

  • Opportunity to influence the architecture of business-critical payment and incentive platforms.
  • Long-term project with ongoing system enhancement and platform expansion initiatives.
  • Exposure to large-scale, high-traffic backend systems
Contact
Serena Wu
Quote job ref
JN-102026-7128619
Phone number
+81 3 6627 6137

Job summary

Function
IT
Specialisation
Programming / Development
Specialisation
Technology & Telecoms
Location
Tokyo
Job Type
Temporary
Consultant name
Serena Wu
Consultant phone
+81 3 6627 6137
Job Reference
JN-102026-7128619
Company Type
Foreign Multinational

Diversity & Inclusion at Michael Page

We don't just accept difference - we celebrate it. We encourage applicants from all backgrounds to apply for this role and are committed to building inclusive, diverse workplaces where everyone can thrive. If you require any support or reasonable adjustments during the recruitment process, please let us know.