Office Administrator & HR Specialist (Tokyo)

Appier is seeking an Office Administrator & HR Specialist in Human Resources or a related field. This role will support one major function globally, contributing to the organization's development and helping drive business growth. The role involves collaboration with global colleagues, leaders, and the entire HR team to align strategies and goals with Appier's overarching business strategies. This is a Japan based position requiring advanced business level Japanese.

Responsibilities

Maintain the office environment to ensure smooth daily operations; Order and replenish office supplies and inventory; Provide logistics and operational support for internal events; Manage vendor relationships and service maintenance; Handle administrative expenses, invoicing, and contract management; Perform other administrative and operational duties as assigned; Payroll: Work in partnership with external payroll vendors to manage and coordinate monthly payroll, social insurance, resident tax, year-end tax adjustment, and other statutory HR processes; HR Operations: Own day-to-day HR operations, including onboarding, offboarding, employee changes, leave of absence, benefits administration, employment documentation, and responding to employee HR inquiries; Time & Attendance: Manage and maintain time & attendance and other HR systems. Ensure employee data accuracy, and coordinate necessary updates with payroll / regional HR teams; HR Process Improvements: Work closely with Japan HRBP to maintain HR procedures and documentation

Requirements

3-5 years of relevant experience in administration or human resources; Fluent in Japanese and English; Advanced business level Japanese; Proficient in Google Workspace collaboration tools (Docs, Sheets, Calendar); Experience utilizing AI tools (e.g., Gemini, Claude)

Nice to have

Mandarin