EC Marketplace Operations Manager

Date PostedJune 30, 2026LocationMinato, Tokyo, JapanCompanyMirai Works Inc.SalaryJPY 4000K - JPY 10000KTypeplanning/marketing/pr - e-commerce marketing planning/marketing/pr - sales planning planning/marketing/pr - planning/marketing

Job Summary

This position involves managing domestic and overseas e-commerce sites and marketplaces to drive business growth. The role requires strategic sales planning, KPI management, and the continuous improvement of e-commerce operations. You will collaborate with internal stakeholders to balance user experience with brand value while expanding global reach.

Responsibilities

  • Manage domestic and international e-commerce site operations
  • Develop and execute sales and promotional strategies
  • Monitor KPIs and optimize sales performance
  • Oversee new product registration and content management

Required Skills

  • 3+ years e-commerce operations experience
  • Project management skills
  • Business level Japanese, Chinese, Korean, or English
  • Adobe Creative Cloud and HTML/CSS proficiency

Job Details

### Job Description This team operates our own e-commerce site and related sites such as overseas marketplaces. We are continuously making improvements and modifications to our growing e-commerce site with a sense of urgency. **Domestic Area** - Sales management including operation of our own e-commerce site and sales strategy planning - Sales and KPI management - Development of annual/quarterly sales and promotional plans - New product registration, content addition, and email newsletter distribution **Overseas Area** - Sales management including operation of our own e-commerce sites and marketplaces in various countries and sales strategy planning - Annual/quarterly sales strategy planning for our overseas e-commerce sites and marketplaces - Sales management - New product registration, content addition, and email newsletter distribution ### Working Hours - Monday to Thursday: 9 hours of work and 1 hour break between 6:00 and 22:00 - Friday: 4 hours of work between 6:00 and 13:00 - Full-time office attendance - Monthly variable working hours system ### Required Qualifications - 3+ years of experience operating a company's e-commerce website (both domestic and international) - Project management experience - Business level Japanese, Chinese, Korean, or English ### Preferred Skills - Adobe software (Photoshop, Illustrator, etc.) - HTML/CSS coding ### Salary and Benefits - Annual Salary: ¥4,000,000 - ¥10,000,000 (Base salary + various allowances + monthly pro-rata bonus) - Position allowance: ¥50,000/month - Housing allowance: ¥20,000/month - Overtime and late-night work allowances - Performance-based bonus (paid after completion of probationary period) - Annual salary review based on performance - Comprehensive insurance coverage (Health, Pension, Employment, Workers' Compensation, Long-term care) - Child allowance: ¥10,000/month per child - Commuting allowance: up to ¥50,000/month - Retirement allowance system ### Leave and Holidays - Annual holidays: 144.5 days - Annual paid leave (10 days granted in the first year) - Maternity and childcare leave ### Training - For the first month after joining the company, you will be engaged in store operations at the head office to understand the brand's values and quality standards.