M2IE (Marshmallow Interactive Entertainment Co., Ltd.) Marshmallow Interactive Entertainment Co., Ltd.
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CareersAccount Manager · Marketing, AM & community

Account Manager (AM) / Customer Success

Deepen client relationships and drive ongoing results and account growth

Experienced hireFull-timeIntern · path to full-time
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Responsibilities
  • Serve as main contact and build client relationships
  • Manage campaign progress and coordinate with internal teams
  • Create performance reports and propose improvements and add-ons
  • Drive renewals and upsells
Requirements
  • Fluent daily use of generative AI tools (ChatGPT, Claude, Gemini, etc.)
  • AM or sales experience at an ad agency or marketing firm
  • Drive to handle multiple clients in parallel
  • Plus: experience handling clients in English or Chinese
Salary
  • Monthly salary ¥300,000–¥460,000 (based on experience and skills)
Before you apply
  • Ebisu office, Tokyo (on-site)
  • Business-level Japanese or above required. Bilingual Japanese/Chinese, Korean or English welcome
  • Ideally 5+ years of hands-on experience. With less, show your interest and ability to learn through your work
  • Non-Japanese nationals need a status of residence that permits work
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