About the company
Our client is a global fintech company providing digital payment and mobile commerce solutions to enterprise customers, telecommunications operators, and international merchants. With teams across Japan, the United Kingdom, and the United States, the organization offers a highly collaborative and internationally connected environment.
Employees work at the intersection of technology, telecommunications, payments, and customer success. The company values customer focus, commercial ownership, clear communication, and continuous improvement. This is an opportunity to join a growing business where your expertise will directly influence customer relationships, operational excellence, and account growth.
What the job entails
As Account Manager, you will manage and grow relationships with major enterprise customers, serving as a trusted partner across commercial, operational, and technical matters. You will drive customer retention, account expansion, upselling, and cross-selling while ensuring customer needs are understood and effectively communicated internally.
You will collaborate with colleagues in Japan, the United Kingdom, and the United States; support operational activities related to digital payment and mobile commerce services; and act as the Voice of the Customer. The role includes resolving business issues, coordinating stakeholders across organizational levels, and managing complex communication in Japanese and English. A practical understanding of computer networks, web services, software applications, and technical integrations will help you engage confidently with customers and internal teams.
Key requirements
Native-level Japanese and fluent English, both spoken and written.
At least three years of experience in account management, customer success, or a related customer-facing role.
Technical understanding of computer networks, web services, and/or software applications.
Strong commercial awareness and experience managing large enterprise customers.
Experience collaborating with colleagues based in the United Kingdom and/or United States within a global organization.
Excellent communication, stakeholder management, and relationship-building skills in Japanese and English.
Proven ability to retain customers, grow accounts, and identify upselling and cross-selling opportunities.
Ability to act as the Voice of the Customer and manage complex business communication.
Experience supporting operational activities and resolving business issues.
Ability to work onsite from the company’s Tokyo office.
Experience in direct carrier billing, payments, fintech, telecommunications, APIs, technical support, or operations is advantageous.
Experience with major Japanese telecommunications operators or global merchants is a plus.
Korean language skills and the ability to interpret English-language legal or commercial documents are also beneficial.