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Backend & Data Engineer (Java, GCP, Apache Beam)

Tokyo 23 Wards Temporary ¥6,000,000 - ¥8,000,000 per year Foreign Multinational View Job Description
Join a data-driven organization where product master data powers search, discovery, and business operations across a large-scale digital ecosystem. This role offers end-to-end ownership of data infrastructure and applications, with opportunities to contribute to system design and technical decision-making.
  • Work on high-impact product master data at scale
  • Own solutions from design through operations

About Our Client

Our client is a large-scale technology and digital services organization with a strong focus on data-driven innovation. The team is responsible for managing and delivering critical master data platforms that support a wide range of business and customer-facing applications.

Job Description

  • Design, develop, test, deploy, and operate data infrastructure and applications supporting product master data.
  • Build and maintain batch applications using Java and Spring Boot.
  • Develop ETL pipelines using Apache Beam and related data processing technologies.
  • Work with cloud-native solutions on Google Cloud Platform (GCP), including Dataflow, BigQuery, Bigtable, Dataproc, Cloud Run, networking components, and infrastructure as code through Terraform.
  • Design and optimize database schemas while improving SQL performance and system efficiency.
  • Manage and troubleshoot services in Linux-based environments using shell scripting when required.
  • Collaborate closely with engineers and stakeholders on detailed design, implementation, testing, and operational improvements.
  • Support the continuous enhancement of data quality, scalability, reliability, and maintainability.
  • For more experienced candidates, participate in requirements gathering, solution architecture, and system design activities.



The Successful Applicant

  • 4+ years of professional experience in Data Engineering or Software Engineering with a strong data focus.
  • 2+ years of hands-on experience with Java, Spring Boot, and Apache Beam (v1.8+).
  • Experience creating batch applications using Spring Boot.
  • Experience building ETL/data processing pipelines using Apache Beam.
  • Strong understanding of unit testing frameworks such as JUnit and performance-focused development practices.
  • 2+ years of professional experience working with Google Cloud Platform.
  • Experience with GCP services including networking components, Cloud Run, BigQuery, Dataflow, Bigtable, Dataproc, and Terraform.
  • Experience with relational databases such as MySQL and exposure to NoSQL databases.
  • Strong knowledge of database design, SQL tuning, and performance evaluation.
  • Experience working with Linux environments and shell scripting.
  • Proven ability to collaborate effectively within an engineering team.
  • Business-level English communication skills.
  • Japanese language ability at conversational level or above.

Preferred Qualifications

  • Experience using AI-assisted coding and testing tools.
  • Experience with large-scale data processing platforms such as Hadoop MapReduce.
  • Experience developing RESTful APIs.
  • Experience with front-end technologies such as Vue.js or React.
  • Experience with container technologies including Docker and Kubernetes.
  • Experience with TypeScript and/or Python.

What's on Offer

  • Opportunity to work on business-critical data products used at scale.
  • End-to-end ownership across development, testing, deployment, and operations.
  • Exposure to modern cloud-native and large-scale data technologies.
  • Collaborative international engineering environment.



Contact
Serena Wu
Quote job ref
JN-082026-7091248
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-082026-7091248
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.