Mercari Group offers an internship for students eligible to join as new graduates in Oct 2027 or Apr 2028. Interns work on feature development and UX/spec improvements across Mercari, Merpay, and Mercoin, producing deliverables and presenting results. Requirements include experience with product development/operations, RDBMS/SQL, and practical or research-level experience in at least one engineering area (backend, frontend, mobile, platform, SRE, data, or security). Visa support and travel/accommodation assistance are available for candidates outside Japan.