Technical Account Manager

The Plant is a Tokyo-based professional services firm. We blend commerce-systems engineering, applied AI and Japan operational craft. We work with leading brands and hire top talent who can handle a high degree of freedom and ownership. We are hiring a Technical Account Manager to lead enterprise B2C e-commerce engagements end-to-end. You’ll be the primary point of contact for the client, the operational lead for the delivery team, and the person responsible for translating between business intent and technical execution.

What you'll do

• Client ownership. Serve as the primary client contact by managing relationships, expectations, and commercial scope with senior stakeholders in Japanese and English.
• Delivery leadership. Run project planning, staffing, budgets, risk, and quality across multi-disciplinary teams (engineering, QA, product, design).
• Requirements and process. Lead requirements gathering by translating client business needs into clear, actionable specifications for the delivery team.
• Technical judgment. Make and defend technical trade-offs at a level sufficient to collaborate with architects and senior engineers.
• Stakeholder communication. Maintain alignment across both client and internal leadership.

What we're looking for

Requirements

• Technical foundation- Background in computer science, engineering, or proven hands-on technical work. You understand how systems work: APIs, integrations, data flows, release processes.
• eCommerce systems understanding- You understand how e-commerce systems work together technically (from platform/agency work, in-house brand experience, or integration management).
• Client-facing consulting experience- You’ve managed complex client relationships, and delivery outcomes.
• Native level Japanese and working proficiency in English.

Preferred

• Prior experience in digital transformation engagements or product-adjacent roles.
• Experience with contract negotiation.
• Experience with using AI to improve daily workflows, prototyping and / or coding.

More about working at The Plant

At The Plant, we believe firmly that employee growth drives our clients’ success. We encourage everyone to succeed by leading oneself, being reliable, communicating with care as well as ​​developing one’s own craft and supporting others to excel.

You can work from your own home office, so a reliable internet connection and a quiet workspace is required. Because this role involves daily communication with Japanese clients, we’re looking for someone already based in Japan. We work remotely most of the time, but we also enjoy getting together a few times a year for company events and team activities — a chance to connect face-to-face and celebrate our shared work.