Account Manager

KOMOJU
Contract Musashino, Tokyo Advertising, Marketing, Promotions, Public Relations, and Sales Managers
Posted:
June 08, 2026
Location:
Musashino, Tokyo, Japan

Job Description

About KOMOJU

KOMOJU is a leading cross-border payment gateway for Japan. We power payments for companies like video game distribution platform Steam and the popular mobile app TikTok. Today we help thousands of merchants by providing them with the payment infrastructure they need through developer-friendly API’s to integrations on popular platforms like Shopify and Wix; we help our merchants grow in all markets they are expanding.

Position Overview
In this high-impact role, you will own the end-to-end relationship for KOMOJU’s enterprise clients. You are responsible for driving long-term growth, identifying expansion opportunities (upsell/cross-sell), and ensuring world-class retention.
A critical part of your mandate is operational Excellence: you will lead the charge in productizing our customer engagement. By creating standardized playbooks and shifting from manual responses to scalable processes, you will directly reduce ...

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Job Overview

Job Type: Contract
Location: Musashino, Japan
Posted: June 08, 2026
Deadline: July 18, 2026