Engineering Manager, DBRE - Mercari

JD in Japanese follows. 英文の後に和文JDをご覧いただけます。 Engineering Manager, DBRE - Mercari • Employment Status:　Full-time • Work Hours: Full Flextime (no core time) • Office: Roppongi For more details, see the Overview of Our Positions section on our Careers site. 　 About Mercari Circulate all forms of value to unleash the potential in all people "What can I do to help society thrive with the finite resources we have?" The Mercari marketplace app was born in 2013 out of this thought by our founder Shintaro Yamada as he traveled the world. We believe that by circulating all forms of value, not just physical things and money, we can create opportunities for anyone to realize their dreams and contribute to society and the people around them. Mercari aims to use technology to connect people all over the world and create a world where anyone can unleash their potential. For more information about Mercari Group’s mission, see Mercari’s Culture Doc 　 Organization/Team Mission Mercari Engineering Principles Mercari Engineering Principles are a shared understanding that serves as the foundation of engineering beliefs and behavior at Mercari. The Engineering Principles are designed to complement the organizational identity (Mercari’s mission, values, and culture) from an engineering viewpoint. These principles ultimately help us achieve Mercari’s mission by defining the ideal state we seek to realize in the long term. • Passion For The Product • Grow Together • Solve Through Mechanisms • Collaborate Openly For more details, please see the following link: • Engineering Culture The Database Reliability Engineering (DBRE) team is responsible for building and maintaining reliable, scalable, and cost-efficient database infrastructure that enables Mercari's core business operations. We empower engineering teams by providing stable access to critical data through TiDB Cloud, ensuring high availability and performance for the platform that millions of users depend on daily. Our mission includes operating CoreDB (the central database for items, transactions, users, and other critical business data), managing database migrations and consolidations, and driving continuous cost and performance optimization across all database workloads. Mercari is looking for an Engineering Manager to lead the DBRE team. In this role, you will be responsible for the team's organizational health, technical strategy, and execution. You will guide the team through critical migrations, mentor engineers, and collaborate with cross-functional partners to ensure our database infrastructure meets the evolving needs of the business. See here for more information about our mission and values. 　 Work Responsibilities Specific work responsibilities are listed below: • Team Leadership & Management: Manage, mentor, and hire a diverse team of Database Reliability Engineers; foster a culture of psychological safety, continuous learning, and operational excellence. • Technical Strategy & Roadmap: Define and drive the technical vision for Mercari’s database infrastructure. • Reliability & Operations: oversee the stability of mission-critical database systems; lead incident response for high-severity database issues and drive post-incident reviews to prevent recurrence. • Cost Optimization: Partner with FinOps to drive continuous cost optimization initiatives, such as shard consolidation and resource right-sizing, balancing performance with efficiency. …