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Mercari

Peer-to-peer mobile marketplace for secondhand goods

Senior Data Management Specialist

Data ManagementConfirmed live in the last 24 hours
Full-timeMinato City, Tokyo, JapanNo salary listed

About the Job

Requirements

  • Resonate with the mission and values of Mercari Group and its individual companies.
  • Communicate effectively with data users, governance teams, and other stakeholders, and demonstrate strong leadership and drive to manage projects.
  • Have a deep understanding of cloud data warehouse architecture and cost structures, including practical knowledge of IaaS implementation.
  • Have knowledge and hands-on experience analyzing and optimizing data transformation logic using SQL in a data warehouse environment.

Responsibilities

  • Continuously improve the BigQuery-based data analytics platform across access control, resource allocation, cost optimization, and usability to deliver sustained value to data users.
  • Provide domain expertise in resource and cost management of cloud data warehouses to maintain an efficient analytics environment.
  • Establish an end-to-end workflow cycle, from individual query performance tuning through forecasting and budget management of cloud expenditures for each cost center.
  • Communicate with data users, security and privacy teams, and other stakeholders to continuously improve the data platform in line with operational needs and compliance requirements.
  • Lead collaboration with team members to build a data analytics infrastructure that achieves high usability, cost efficiency, and robust security.
  • Design and build data management systems that efficiently support emerging use cases, including automated data utilization through AI agents.
  • Collaborate across the multidisciplinary data team to create company-wide data products.

Desired Qualifications

  • Experience in FinOps initiatives for data analytics infrastructure, especially resource optimization and cost efficiency.
  • Experience implementing and managing ETL/ELT pipelines for data marts.
  • Experience designing, building, or managing data infrastructure tailored for AI/LLM utilization.

About the Company

Mercari

Peer-to-peer mobile marketplace for secondhand goods

Mercari operates a mobile peer-to-peer marketplace for buying and selling secondhand goods. Users list items by taking photos in the app, and buyers complete purchases there, with payments held in escrow until receipt is confirmed. Revenue comes from seller fees (10% in Japan; 10% plus 3.6% buyer protection in the US), plus Merpay payments and promoted listings, plus shipping partnerships for integrated delivery. The platform differentiates itself through a simple mobile experience, escrow and buyer protection, shipping integration, and a broader marketplace including Mercari Shops for sellers, with a goal of extending product life and supporting a circular economy.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Tokyo, Japan
Founded
2013

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