Job Description

About KOMOJU

KOMOJU (by Degica) is Japan’s leading cross-border payment gateway, powering payments for global brands like Steam and TikTok. We help thousands of merchants expand into Japan, Asia and more with a seamless payments experience—through developer-friendly APIs and plug-ins for platforms like Shopify and Wix.

The Role

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

Requirements

Requirements:

• 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

Benefits

福利厚生

• 年間業績評価に応じた昇給
• プロフィットシェア（年2回支給実績あり）
• リモートとオフィス勤務が両方可能なハイブリット体制
• 社会保険完備（関東ITソフトウェア健康保険組合加入）
• 健康診断
• スポーツクラブ優待（IT健保）
• 保養所（IT健保）
• 語学研修（レッスン料1〜2万円/月を補助）
• 自己学習サポート（年間最大10万円）

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