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Data/ETL QA Engineer- Bilingual Enviroment

Minato Temporary ¥4,050 - ¥4,950 per hour Japanese Corporate View Job Description
The role is responsible for ensuring the accuracy, integrity, and performance of complex ETL pipelines and data warehouse environments through rigorous testing, SQL-based validation, and end‑to‑end data quality checks. It also involves working with modern data platforms and ETL tools while contributing to automation, performance testing, and CI/CD‑driven data quality processes.
  • Strong Technical Growth with Modern Data Platforms & Automation!
  • Work in a bilingual enviroment!

About Our Client

Our client is a leading global provider of data-driven marketing solutions, specializing in personalized consumer engagement across retail and digital ecosystems. With a strong presence in Japan, the organization leverages large-scale transaction data, advanced analytics, and innovative technology to help brands deliver targeted, measurable customer experiences that drive business growth.

Job Description

  • Perform end-to-end testing of ETL pipelines, validating data completeness, accuracy, integrity, and schema alignment across multiple data sources and platforms.
  • Develop test plans, strategies, and detailed test cases for data migrations, data warehousing processes, and large-scale data quality initiatives.
  • Write and execute complex SQL queries to perform source-to-target reconciliation and troubleshoot data discrepancies in heterogeneous database environments.
  • Collaborate with data engineers and analysts to support performance testing, optimize data workflows, and contribute to automation and CI/CD-driven data quality improvements.

The Successful Applicant

  • Brings 4+ years of hands-on experience in ETL/Data testing, with strong mastery of SQL for complex validation and data reconciliation tasks.
  • Demonstrates solid understanding of data warehousing concepts, ETL/ELT workflows, and testing methodologies across modern cloud and on‑premise data platforms.
  • Able to collaborate effectively with technical teams, proactively troubleshoot data issues, and contribute to performance testing and automation initiatives.
  • Possesses conversational-level Japanese and strong communication skills to coordinate with local stakeholders and global teams in a hybrid environment.

What's on Offer

  • Opportunity to work almost fully remote, offering great flexibility.
  • Chance to work in the heart of Minato-ku with a large organization.
Contact
Serina Miyazono
Quote job ref
JN-032026-6966852
Phone number
+81 3 6627 6130

Job summary

Function
IT
Specialisation
Quality Assurance
Specialisation
Technology & Telecoms
Location
Minato
Job Type
Temporary
Consultant name
Serina Miyazono
Consultant phone
+81 3 6627 6130
Job Reference
JN-032026-6966852
Company Type
Japanese Corporate

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.