Mercari, Inc. is a Japanese technology company best known for the Mercari consumer-to-consumer marketplace, which enables individuals to buy and sell secondhand and unused goods. The group also operates financial services through Merpay, cryptoasset services through Mercoin, Mercari Shops for businesses, and cross-border commerce services including the Mercari Global App. Mercari operates primarily in Japan and the United States and is expanding access to Japanese marketplace inventory internationally. In FY2026.6, Mercari reported consolidated net sales of ¥229.2 billion, more than 24 million monthly active users in Japan, and approximately 4.2 million monthly active users in the US.
Mercari offers candidates the opportunity to work on marketplace, fintech, cross-border commerce and AI products operating at significant scale. Its FY2026 results showed ¥229.3 billion in revenue and ¥44.2 billion in core operating profit, while the Japan marketplace had more than 24 million monthly active users. Engineering work includes distributed systems, Kubernetes infrastructure, Cloud Spanner, machine learning, search and agentic AI. Mercari is also pursuing an AI-Native operating model, with company-wide AI tool adoption and dedicated AI-agent initiatives. Its careers materials describe structured engineering onboarding, internal technical training, flexible work practices, international teams and relocation support for eligible hires.
Backend
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Infrastructure as Code
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Founder and CEO of Mercari. Yamada graduated from Waseda University, founded internet company Unoh, sold it to Zynga in 2010 and later served as General Manager of Zynga Japan. After leaving Zynga and traveling internationally, he founded Mercari in February 2013 and has led the company through its international expansion and 2018 IPO.
Co-founder of Mercari who helped build its international business and previously served as CEO of Mercari US. Before Mercari, Ishizuka was Chief Architect at RockYou and later COO of RockYou Asia, giving him experience in large-scale consumer internet infrastructure and international operations.
Co-founder of Mercari who joined the company at its establishment in 2013 and later worked extensively on Mercari's US expansion. A Waseda University graduate, he previously helped establish Bank of Innovation and worked on offshore software development in Vietnam before becoming an early Mercari director.
Leads Mercari's Japan Business. Yamamoto previously worked at NTT Docomo, Google Japan, Square Japan and Apple Japan before joining Merpay in 2018. His past responsibilities include fintech, merchant development and Mercari Marketplace, and he also serves as a director of Merpay and Mercoin.
Leads Mercari's AI, technology and human-resources transformation. Before joining Mercari in 2017, Kimura worked at MIXI on recommendation systems, machine learning and data. At Mercari he helped establish R4D and AI and search engineering organizations and now leads the company's AI-Native transformation.
Mercari's CFO and senior corporate leader. Eda joined Mercari after approximately 15 years at Goldman Sachs Japan, where she worked on investment and financing transactions and became a Managing Director. She oversees financial and corporate functions and has served as Mercari CFO since 2021.
PR TIMES
Mercari announced that cumulative registrations for its Global App exceeded one million in August 2026. The company is expanding authentication services for US and Taiwan buyers and plans additional purchasing options as it grows cross-border commerce.
Read articleMercari, Inc.
For the fiscal year ended June 30, 2026, Mercari reported ¥229.3 billion in consolidated revenue and ¥44.2 billion in core operating profit, representing year-over-year increases of 19.0% and 60.2% respectively.
Read articleMercari, Inc.
Mercari launched an integration that lets users search Mercari inventory and prepare listing drafts through ChatGPT conversations. The service uses Mercari MCP, the company's Model Context Protocol-based connection layer for exposing marketplace functions to AI systems.
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