E-Commerce specialist

SBT Global•Costa Mesa, CA

About The Position

The company is a fast-growing Korean biotech company and a global leader in PDRN-based innovation, with offerings across pharmaceuticals, medical devices, and advanced skincare. It is expanding consumer and medical-grade brands in the U.S. across direct-to-consumer, retail, and marketplace channels. The Amazon E-Commerce Specialist will manage and grow the company’s U.S. Amazon marketplace business. The role oversees day-to-day Seller Central operations and supports sales growth through performance analysis, promotional planning, inventory coordination, and advertising initiatives. The specialist will work with internal teams, global headquarters, Amazon representatives, and external agencies to optimize marketplace performance, support product launches, and drive sustainable growth.

Requirements

At least 2 years of experience in eCommerce, marketplace account management, or online sales.
Strong communication and coordination skills with agencies, external partners, and cross-functional teams.
Strong ownership mindset and ability to manage day-to-day marketplace operations independently.
Detail-oriented and organized, with the ability to manage multiple projects and priorities simultaneously.

Nice To Haves

Hands-on Amazon Seller Central experience.
Experience in the beauty, skincare, or cosmetics industry.
Professional working proficiency in both Korean and English.

Responsibilities

Manage and operate the Amazon marketplace account through Seller Central.
Handle day-to-day marketplace operations, including product listings, content updates, pricing, promotions, and account maintenance.
Monitor and optimize key performance metrics, including GMV, CVR, and AOV.
Monitor account health, listing status, and marketplace issues to support smooth operations and sales growth.
Develop and execute Amazon sales strategies to drive revenue growth and strengthen marketplace performance.
Plan and manage promotions, seasonal events, and major Amazon sales events.
Analyze sales trends, competitor activities, pricing, and marketplace opportunities.
Identify opportunities to improve sales and performance through pricing, promotions, content, advertising, and assortment optimization.
Develop action plans to stabilize underperforming products and support sustainable sales growth after launch.
Coordinate sales forecasting, inventory planning, replenishment, and FBA shipments.
Monitor inventory and work with operations and logistics teams to prevent stock-outs and overstock situations.
Support demand planning based on sales trends, promotional activities, and upcoming launches.
Work with external agencies to manage Amazon advertising and marketplace initiatives.
Coordinate campaign planning and execution across Sponsored Products, Sponsored Brands, Sponsored Display, DSP, and other Amazon advertising programs.
Monitor advertising performance, including ROAS, ACOS, and ad spend, and identify optimization opportunities.
Communicate business priorities, promotional plans, budgets, and performance expectations to agency partners.
Review agency performance and ensure timely execution of agreed initiatives.
Collaborate with headquarters and internal marketing, supply chain, operations, and creative teams.
Coordinate with Amazon representatives, external agencies, vendors, and other business partners.
Support new product launches, promotional initiatives, and other cross-functional eCommerce projects.
Assist with administrative and operational tasks as needed to support eCommerce business growth.