About SHEIN  SHEIN is a global online fashion and lifestyle retailer, offering SHEIN branded apparel and products from a global network of vendors, all at affordable prices. Headquartered in Singapore, with more than 15,000 employees operating from offices around the world, SHEIN is committed to making the beauty of fashion accessible to all, promoting its industry-leading, on-demand production methodology, for a smarter, future-ready industry.  Position Summary  We are seeking a dynamic and detail oriented Senior Seller Success Specialist (official title: Senior Seller Success Specialist II) for our Los Angeles based corporate office. Your primary responsibility is to manage and grow relationships with SHEIN Marketplace selling partners. You will be responsible for identifying opportunities, driving growth, and optimizing the performance of SHEIN's US sellers on the SHEIN Marketplace.  Job Responsibilities  • Account Management: Develop and manage relationships with early-stage US sellers on the SHEIN Marketplace platform. Support sellers with product listings and pricing, ensuring their performance metrics align with SHEIN's requirements. • Sales Growth: Drive growth by identifying new product opportunities, supporting and executing targeted marketing campaigns, and optimizing product listings. Proactively identify areas for growth and implement strategies to increase seller sales. • Data Analysis: Leverage dashboards and other internal tools to analyze trends on the marketplace. Use insights to make data-driven recommendations that help sellers improve their offerings and marketing strategies. • Pricing & Profit Communication: Work closely with sellers to review cost structures, address pricing issues, and align on market-competitive pricing. Help sellers understand how setting reasonable profit margins leads to better pricing, stronger conversion, and sustainable sales growth. For special cases (e.g. bundles, branded, or limited-edition products), coordinate internally to evaluate and support justified pricing exceptions. • Customer Service Management: Work with US sellers to ensure that customer inquiries and issues are resolved in a timely and satisfactory manner. Work with customer service teams to resolve issues with orders, returns, and shipping, and to provide feedback to sellers on customer satisfaction. • Cross-functional Leadership: Take the lead in coordinating cross-functional projects, working closely with operations, product, marketing, and finance teams to enhance the seller experience and deliver key business outcomes. • Mentorship & Team Development: Provide mentorship and guidance to junior team members or peers, sharing best practices in account management, data-driven decision-making, and marketplace growth strategies.  Job Requirements  • 5–8+ years of progressive account management or related experience, preferably in e-commerce or marketplace environments. • Strong analytical and problem-solving skills. • Proficiency with Excel and/or other business analytic tools.  • Proven ability to lead cross-functional initiatives and collaborate with multiple stakeholders to deliver business results. Experience in mentoring, coaching, or guiding team members with strong interpersonal and leadership skills. • Excellent communication skills, both written and verbal. • Ability to work effectively in a dynamic and fast-paced environment. • Comfortable working through ambiguity. Nice to Have • Bachelor's degree in business, marketing, or a related field Benefits and Perks  • Bonus eligible • Healthcare (medical, dental, vision, prescription drugs)  • Health Savings Account with Employer Funding  • Flexible Spending Accounts (Healthcare and Dependent care)  • Company-Paid Basic Life/AD&D insurance  • Company-Paid Short-Term and Long-Term Disability  • Voluntary Benefit Offerings (Voluntary Life/AD&D, Hospital Indemnity, Critical Illness, and Accident)  • Employee Assistance Program  • Business Travel Accident Insurance  • 401(k) Savings Plan with discretionary company match and access to a financial advisor   • Vacation, paid holidays, floating holiday and sick days    • Employee discounts  • Free weekly catered lunch  • Dog-friendly office (available at select locations)  • Free gym access (available at select locations)  • Free swag giveaways  • Annual Holiday Party  • Invitations to pop-ups and other company events  • Complimentary daily office snacks and beverages   #LI-CJ1 Pay Range $76,708—$110,000 USD