Integration Manager (Tokyo, Japan)

You lead client meetings, technical demos, pre-sales discussions, and onboarding as the primary technical contact. You guide game partners through API integrations, troubleshoot authentication, payload, webhook, and platform issues, reproduce problems with Postman and curl, document solutions, and coordinate communication between clients and internal teams.

Responsibilities

• Lead client meetings, calls, and technical demos.
• Act as the primary technical contact during pre-sales and onboarding.
• Scope integration requirements and set realistic expectations.
• Present technical concepts to technical and non-technical stakeholders.
• Guide partners through API integration, authentication, request and response structures, JSON payloads, and webhooks.
• Diagnose issues using data dumps, technical logs, and API traces.
• Distinguish integration errors from platform bugs.
• Use Postman, curl, or similar tools to reproduce and isolate client issues.
• Document issues for engineering teams.
• Resolve issues directly or escalate them to Engineering, Product, or Support.
• Manage cross-functional handoffs and communication.
• Provide status updates to internal stakeholders and clients.
• Maintain documentation in Jira, Confluence, and related tools.

Requirements

• Bachelor's degree or equivalent experience in a related field.
• 3+ years of experience in technical integration, solutions engineering, or a client-facing technical role.
• Ability to lead client meetings and presentations independently.
• Working knowledge of REST APIs, JSON, and webhooks.
• Ability to read API documentation, interpret payloads, and troubleshoot integration failures.
• Experience using Postman or an equivalent tool to test and debug API calls.
• Near-native fluency in Korean and English, written and verbal.
• Customer service or client relationship experience.
• Ability to work with high autonomy and shifting priorities.
• Strong attention to detail and time management.
• Gaming, payments, or fintech experience preferred.
• Experience with Confluence, Jira, and G Suite preferred.
• Experience with international companies or global teams preferred.
• Genuine interest in games and the gaming industry preferred.

Benefits

• Performance-based incentives
• Remote, hybrid, or in-office work options
• Collaborative and innovative team culture
• Career growth opportunities in a dynamic and expanding market