Business Development Specialist, Marketplace

Yamibuy; Brea (CA); On-site; USD 50,000 - 73,000; Full time

Benefits offered by this job

401(k) matching

Health insurance

Vision insurance

PTO: vacation, sick, and holidays

On-site gym

Coffee and snacks

Job summary

Yamibuy in Brea, California, is seeking a Business Development Specialist to grow Yamib Marketplace by identifying and acquiring new sellers and partners. You will manage onboarding, support selected seller accounts, and collaborate with Marketing, Ops, Account Management, Product, and Customer Service to drive growth.

A commercially driven, outbound-focused candidate with strong relationship skills and bilingual Chinese/English communication will excel in a fast-paced environment, contributing

Qualifications

• Bachelor's degree in Business, Marketing, E-commerce, or related field.
• Minimum 2 years in e-commerce, retail sales, marketplace business development, or related field.
• Experience with Asian brands, sellers, or e-commerce is preferred.
• Experience with marketplace platforms, FBA, cross-border e-commerce, seller acquisition or management is preferred.
• Proven ability to generate new business via outbound prospecting, relationship building, negotiation, and account development.
• Strong sales mindset with ability to manage new seller acquisition and ongoing relationships.
• Strong analytical skills to evaluate seller KPIs and market trends.
• Comfortable using AI tools to support research, lead generation, market research, and presentations.
• Proficiency in Microsoft Office (Excel, PowerPoint, Word, Outlook).
• Strong interpersonal, communication, negotiation, and presentation skills.
• Ability to work independently in a fast-paced environment.
• Bilingual Chinese and English communication.

Responsibilities

• Identify, prospect, and acquire new sellers, brands, distributors, and partners through outbound outreach and other sourcing channels.
• Build and maintain a strong pipeline of qualified prospects to support revenue goals.
• Communicate Yami Marketplace value proposition through presentations and discussions.
• Manage full business development cycle: prospecting, qualification, negotiation, contract execution, onboarding.
• Research market trends and seller opportunities to expand marketplace selection.
• Manage selected seller accounts post-onboarding as primary contact.
• Monitor seller performance including GMV, pricing, inventory, and fulfillment.
• Collaborate with sellers to improve performance and revenue.

Skills

Prospecting

Seller relations

Negotiation

Presentation

Analytical

AI tools

Education

Bachelor's Degree in Business/Marketing

Tools

Excel

PowerPoint

Word

Outlook

Job description

Business Development Specialist, Marketplace

Brea, United States | Posted on 10/02/2026

Founded in 2013, Yami’s mission is to bring the world closer for everyone to experience and enjoy. We make it easy to discover exciting flavors and trending products from Asia. Named Inc. Magazine’s fastest-growing start-up on the ”Inc. 500 List.”, we’re committed to connecting people with authentic food, beauty, home, and wellness experiences through our e-commerce platform, iOS, and Android apps.

Benefits & Compensation:

• 401(k) matching
• Health insurance
• Vision insurance
• Paid time off (PTO): vacation, sick, and holidays
• $50K-73K
• On-site gym and game rooms
• Coffee and snacks

Summary:

We are currently looking for a dedicated, driven, and enthusiastic Business Development Specialist to join our Marketplace team. This role will primarily focus on identifying, developing, and acquiring new sellers and business partners for Yami Marketplace.

In addition to new business development, the position will also support selected seller accounts after onboarding to ensure successful launch, seller performance, and continued business growth. The ideal candidate is commercially driven, comfortable with outbound business development, and capable of building long-term relationships with sellers.

Job Responsibilities:

• Identify, prospect, and acquire new sellers, brands, distributors, and business partners for Yami Marketplace through outbound outreach, networking, referrals, and other sourcing channels.
• Build and maintain a strong pipeline of qualified prospects to support seller acquisition and revenue goals.
• Understand prospective sellers' business needs and effectively communicate Yami Marketplace's value proposition through business presentations and discussions.
• Manage the full business development cycle, including prospecting, qualification, negotiation, contract execution, and onboarding coordination.
• Research market trends, product categories, brands, and seller opportunities to expand Marketplace selection and identify new business opportunities.
• Manage selected seller accounts after onboarding and serve as the primary point of contact for ongoing business needs.
• Monitor seller performance, including GMV, product selection, pricing, inventory, fulfillment, refund rate, store rating, and content quality.
• Partner with sellers to improve performance, expand product selection, optimize inventory, and identify opportunities to increase revenue.
• Conduct regular business reviews and develop action plans to address seller performance issues and growth opportunities.
• Support Fulfillment by Yami (FBY) sellers in improving inventory efficiency, fulfillment performance, and overall seller experience.
• Gather seller feedback and communicate seller needs, operational challenges, and improvement opportunities to internal teams.
• Collaborate with Marketing, Operations, Account Management, Product, Customer Service, and other cross-functional teams to support seller onboarding and growth.
• Track seller pipeline, account performance, KPIs, and sales forecasts and provide regular business updates.

Qualifications and Requirements:

• Bachelor's Degree in Business, Marketing, E-commerce, or a related field.
• Minimum 2 years of experience in e-commerce, retail sales, marketplace business development, account management, or a related field.
• Experience working with Asian brands, sellers, retailers, or e-commerce businesses is preferred.
• Experience with marketplace platforms, FBA, cross-border e-commerce, seller acquisition, or seller management is preferred.
• Proven ability to generate new business through outbound prospecting, relationship building, negotiation, and account development.
• Strong sales and business development mindset with the ability to manage both new seller acquisition and ongoing seller relationships.
• Strong analytical skills with the ability to evaluate sales performance, seller KPIs, and business trends and translate findings into actionable recommendations.
• Comfortable using AI tools to support prospect research, lead generation, market research, business analysis, presentation preparation, and day-to-day productivity.
• Proficiency in Microsoft Office, including Excel, PowerPoint, Word, and Outlook.
• Strong interpersonal, communication, negotiation, and presentation skills.
• Ability to work independently, manage priorities, and operate effectively in a fast-paced environment.
• Bilingual proficiency in Chinese and English, with the ability to communicate business concepts clearly and professionally.