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// POSTED: May 5, 2026

**Job Title:**

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E-Commerce Account Manager – Third-Party Marketplace Seller Development & Growth (Remote, Entry Level Position in Brazil) **Job Description (HTML):**

Join arenaflex: Shape the Future of E-Commerce in Brazil

Are you ready to be part of something extraordinary? At arenaflex, we're on a mission to become the most customer-centric company on the planet—and we want YOU to help us get there. If you're a dynamic, motivated professional with an entrepreneurial spirit and a passion for e-commerce, this is your chance to make history while building a rewarding career.

We're currently seeking a talented Account Manager to join our growing Third-Party (3P) Marketplace team. This is an exciting remote opportunity for entry-level professionals in Brazil who are eager to learn, grow, and contribute to transforming how people discover and purchase products online. As part of our team, you'll play a critical role in expanding our marketplace selection, attracting high-value sellers, and creating exceptional shopping experiences for millions of customers across the USA.

About arenaflex

At arenaflex, we believe that shopping should be effortless, enjoyable, and accessible to everyone. We're constantly pushing boundaries, innovating, and finding new ways to delight our customers. Our culture is built on ownership, bias for action, and a relentless commitment to customer obsession. We hire the best, empower them to think big, and give them the freedom to innovate. When you join arenaflex, you're not just taking a job—you're becoming part of a global community that's shaping the future of commerce.

What You'll Do: Key Responsibilities

As an Account Manager on our Third-Party Marketplace team, you'll be the bridge between arenaflex and our seller partners. Your mission will be to identify, acquire, and develop relationships with high-potential sellers to expand our product selection and enhance the overall customer experience. Here's what your day-to-day will look like:

What We're Looking For: Qualifications

Essential Qualifications

Preferred Qualifications

Skills & Competencies for Success

Beyond qualifications, we're looking for individuals who embody our core values and have the following competencies:

Career Growth & Learning Opportunities

At arenaflex, we believe in investing in our people. As an Account Manager, you'll receive comprehensive training on our platform, sales methodologies, and e-commerce best practices. You'll have access to mentorship from experienced leaders and opportunities to rotate through different functions to broaden your expertise.

We're committed to helping you grow both professionally and personally. Top performers in this role regularly advance to Senior Account Manager positions, Team Lead roles, or specialize in areas such as category management, business development, or operations. With our global presence and dynamic culture, the sky is the limit for your career at arenaflex.

Work Environment & Culture

This is a fully remote position, giving you the flexibility to work from anywhere in Brazil. We believe in trust and autonomy— you'll be empowered to manage your own schedule while delivering results. Our virtual workplace is collaborative, inclusive, and designed to foster connection despite the distance.

At arenaflex, diversity is one of our greatest strengths. We welcome candidates from all backgrounds and perspectives to join our team. You'll be part of a vibrant community that celebrates innovation, encourages bold thinking, and supports work-life balance. Whether you're collaborating with teammates across time zones or participating in virtual team events, you'll feel connected to something bigger than yourself.

Compensation & Benefits

We offer competitive compensation packages that recognize your skills, experience, and contributions. In addition to a base salary, you'll have opportunities for performance-based bonuses and incentives. Our comprehensive benefits package includes:

Ready to Make Your Mark?

If you're ready to embark on an exciting career journey with a company that's transforming the world of e-commerce, we want to hear from you! This is more than just a job—it's an opportunity to grow, learn, and contribute to something truly meaningful.

At arenaflex, we don't just accept difference—we celebrate it, we thrive on it, and we support it for the benefit of our employees, our products, and our community. We're an equal opportunity employer, and we encourage applications from all qualified individuals regardless of race, color, religion, sex, national origin, age, disability, or any other protected characteristic.

Don't miss this chance to join a team where your ambitions can become achievements. Apply today and help us build the destination where people find and purchase anything online!

Ready to take the next step? Click the apply button below to submit your application. We can't wait to meet you!

Interested in this role?Apply on iHire