Mercari Group offers a Software Engineer internship for candidates eligible to join as new graduates in Oct 2027 or Apr 2028. Internship is based in Japan (remote or Roppongi office), typically 2–3 months with a requirement of 20+ hours/week. Multiple engineering tracks are available (backend, frontend, mobile, ML, platform, SRE, data, security). Visa support, travel/accommodation arrangements are provided for overseas candidates. Application deadline: August 31, 2026.