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Backend Engineer (Microservices) | Fight Fraud at Scale

Tokyo 23 Wards Temporary ¥6,000,000 - ¥8,000,000 per year Foreign Multinational View Job Description
Join a high-performing engineering team focused on fraud prevention and transaction security within a large-scale digital platform environment. This role offers the opportunity to develop and maintain backend services that process high volumes of real-time transactions while contributing to innovative solutions that safeguard users and business operations.
  • Build real-time systems that protect millions of users
  • Work with modern cloud-native and microservices technologies

About Our Client

Our client is a leading global internet and digital services organization operating at significant scale across multiple business domains. Their fraud prevention technology team develops real-time, high-volume systems designed to detect, investigate, and prevent fraudulent activities while ensuring a secure and seamless user experience.

Job Description

  • Design, develop, test, and maintain backend applications within a microservices-based distributed architecture.
  • Build scalable and reliable software solutions that support real-time transaction processing.
  • Collaborate with engineers, product managers, and designers to deliver high-quality features efficiently.
  • Take ownership of application performance, monitoring, troubleshooting, maintenance, and bug resolution.
  • Develop secure, reusable, and maintainable code aligned with technical specifications and engineering best practices.
  • Create and maintain technical documentation.
  • Contribute to continuous improvement of existing platforms and services.
  • Participate in Agile development processes and team discussions.



The Successful Applicant

Required Skills & Experience

  • 3+ years of professional software development experience.
  • Strong programming skills in Golang, Java, or another major programming language.
  • Experience developing applications using microservices architecture.
  • Hands-on experience with Docker and container orchestration technologies such as Kubernetes.
  • Strong sense of ownership and the ability to drive tasks through to completion.
  • Business-level English communication skills.

Preferred Skills

  • Experience working in cloud environments.
  • Familiarity with CI/CD pipelines and automation tools such as Jenkins, GoCD, or Git-based workflows.
  • Experience with databases and data technologies such as Redis, Cassandra, MySQL, or PostgreSQL.
  • Experience using monitoring and observability tools including Prometheus, Grafana, Datadog, or Splunk.
  • Experience working in Agile development environments.

What's on Offer

  • Opportunity to work on mission-critical fraud prevention systems.
  • Exposure to large-scale, real-time transaction platforms.
  • International and diverse engineering environment.
  • Modern technology stack including microservices, containers, cloud technologies, and observability tools.



Contact
Serena Wu
Quote job ref
JN-092026-7115205
Phone number
+81 3 6627 6137

Job summary

Function
IT
Specialisation
Programming / Development
Specialisation
Technology & Telecoms
Location
Tokyo 23 Wards
Job Type
Temporary
Consultant name
Serena Wu
Consultant phone
+81 3 6627 6137
Job Reference
JN-092026-7115205
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.