Job Description

We’re looking for a commercially minded Customer Success Manager who’s excited to build strong relationships, maximize account value, and uncover new business opportunities within our growing merchant base. You’ll be a key driver of revenue growth through upsell, cross-sell, while also supporting the day-to-day success of our customers on the KOMOJU platform.

This is a great opportunity for someone who enjoys a hybrid of customer care and sales, and who thrives in a fast-paced, international environment.

【Why You Should Join】
■Sales-oriented customer success: You’ll be incentivized to grow your book of business, not just retain it
■Global team: Work in an international, bilingual environment with flexibility and autonomy
■High-impact product: Support merchants that are expanding globally and rely on our tech to grow

【What You’ll Do】
■Manage a portfolio of SMB to large-sized merchant accounts as their trusted “KOMOJU” point of contact
■Uncover and drive growth opportunities through cross-sell and upsell of new features, products (terminals, KOMOJU Card & more), services, and payment methods
■Act as a strategic advisor by understanding merchant goals and aligning them with KOMOJU’s offerings
■Conduct regular check-ins to highlight performance insights, share updates, and support expansion
■Partner cross-functionally with Sales & Marketing, Product, Support, and Engineering to deliver solutions and improve customer experience
■Collaborate on campaign initiatives to drive feature adoption and revenue growth
■Maintain accurate records in our CRM, including product usage, opportunities, and merchant feedback ■5+ years of experience in Customer Success, Account Management, or a related role within fintech, payments, SaaS, or IT
■Proven ability to manage commercial relationships and drive account growth through upselling and cross-selling
■Native-level Japanese and business-level or higher English communication skills.
■Strong analytical mindset with a data-driven approach to identifying and acting on growth opportunities
■Proficient in CRM tools such as HubSpot or Salesforce
Self-starter with high ownership, able to thrive in a fast-paced, cross-functional, and remote-friendly environment

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