Seller Account Management Intern

SHEIN; São Paulo; On-site; BRL 17,000 - 29,000; Full time

Job summary

SHEIN, headquartered in São Paulo, seeks a Seller Account Management Intern to oversee daily seller operations on SHEIN Marketplace. The role emphasizes seller relationships, performance analysis, and growth initiatives to drive marketplace success.

The internship offers hands-on experience in e‑commerce, cross‑functional collaboration with Category Management, Marketing, and Operations, and the chance to develop analytical and commercial skills in a fast-paced environment. Based in São Paulo.

Qualifications

• Pursuing a Bachelor’s degree in one of the listed fields.
• Interest in e-commerce and marketplaces.
• Strong organizational and multitasking abilities.

Responsibilities

• Manage daily operations and maintain strong relationships with marketplace sellers.
• Monitor and analyze seller performance and key metrics (GMV, sales growth, assortment).
• Drive product assortment expansion and new product uploads to improve availability and sales.
• Execute seller growth initiatives, promotional campaigns, and category projects to hit targets.
• Track seller performance against KPIs and implement improvement plans.

Skills

Advanced English

Analytical mindset

Strong communication

Organizational skills

Education

Bachelor’s degree in Business Administration, Economics, Engineering, Marketing, International Relations, or related fields

Tools

MS Office

Excel

PowerPoint

Word

Job description

SHEIN is a global fashion and lifestyle e-retailer committed to making fashion accessible to all. We use on-demand manufacturing technology to connect suppliers to our agile supply chain, reducing inventory waste and enabling us to deliver a variety of affordable products to customers around the world. From our global offices, we reach customers in 160 countries. Founded in 2012, SHEIN has nearly 17,000 employees operating from offices around the world, with its Brazil headquarters located in São Paulo.

ABOUT THE ROLE

The Seller Account Management Intern will be responsible for the daily operations, performance monitoring, and business growth of sellers on SHEIN Marketplace.

The role focuses on seller relationship management, product assortment expansion, new product launches, sales performance analysis, and the execution of business growth initiatives to drive seller performance and marketplace growth.

This role offers a great opportunity to gain hands‑on experience in e‑commerce and marketplace operations, develop analytical and commercial skills, and collaborate with cross‑functional teams such as Category Management, Marketing, Operations, and other business areas.

We are looking for someone who is organized, proactive, analytical, detail‑oriented, and results‑driven, with strong communication skills and the ability to manage multiple priorities in a fast‑paced environment.

This role will be based in São Paulo.

RESPONSIBILITIES

• Manage daily operations and maintain strong relationships with marketplace sellers, including regular communication, performance follow‑ups, and issue resolution;
• Monitor and analyze seller performance and key business metrics, including GMV, sales growth, product assortment, and new product launches;
• Drive product assortment expansion and new product uploads to improve product availability and sales performance;
• Execute seller growth initiatives, promotional campaigns, and category‑specific projects to achieve business targets;
• Track seller performance against business KPIs, identify gaps, and implement improvement plans to achieve targets;

REQUIREMENTS

• Currently pursuing a Bachelor’s degree in Business Administration, Economics, Engineering, Marketing, International Relations, or related fields;
• Strong interest in e‑commerce, marketplaces, retail, or commercial/account management;
• Advanced English;
• Proficiency in MS Office, especially Excel, PowerPoint, and Word will be considered a plus:
• Strong sense of responsibility and ownership;
• Proactive attitude, with willingness to learn and take initiative;
• Fast learner, with ability to adapt to a dynamic environment;
• Good communication and organizational skills;
• Positive attitude and ability to work well in a multicultural team.
• Analytical mindset and problem‑solving skills;

At SHEIN, we believe that diversity is the force that drives innovation. We are committed to creating an environment where all voices are heard, valued and respected. All our vacancies are inclusive for people with disabilities, women, black people, LGBTQIAPN+ community and all types of diversity.