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// POSTED: May 2, 2026

Experienced Account Manager – Third-Party Marketplace Development (Remote, USA Market Focus)

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Join arenaflex: Shape the Future of E-Commerce as a Marketplace Account Manager

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, results-driven professional with an entrepreneurial spirit and a passion for e-commerce, this is your opportunity to make history while building a rewarding career.

We're currently seeking a talented and motivated Account Manager – Third-Party Marketplace Development to join our growing team. In this role, you'll be instrumental in expanding our third-party (3P) seller ecosystem across the USA market, working directly with sellers to help them succeed on our platform while driving unprecedented growth for arenaflex.

About arenaflex

At arenaflex, we believe that shopping should be effortless, enjoyable, and accessible to everyone. As a global leader in e-commerce and technology innovation, we're continuously pushing boundaries to create the world's most customer-centric shopping experience. Our marketplace connects millions of buyers with sellers offering an unparalleled selection of products—from everyday essentials to unique discoveries.

Our culture is built on innovation, ownership, and relentless customer focus. We move fast, think big, and never settle for "good enough." If you're someone who thrives in a fast-paced environment, embraces challenges, and wants to make a meaningful impact, you'll find your home at arenaflex.

What You'll Do

As an Account Manager on our Marketplace Development team, you'll be the bridge between arenaflex and our third-party sellers. Your mission is to attract, onboard, and grow high-value seller relationships that expand our product selection, improve customer experience, and drive revenue growth. This isn't a desk job—you'll be actively engaging with potential sellers, attending events, and crafting strategies that shape the future of e-commerce.

Key Responsibilities

What We're Looking For

We seek a candidate who brings energy, expertise, and a relentless drive for success. If you're ready to roll up your sleeves and make an impact, we want to hear from you.

Basic Qualifications

Preferred Qualifications

Why Join arenaflex?

At arenaflex, we know that our people are our greatest asset. That's why we invest heavily in your growth, well-being, and success. Here's what you can expect when you join our team:

Career Growth & Learning

Compensation & Benefits

Work Environment

The arenaflex Difference

What sets arenaflex apart from other companies? It's our DNA. We're a company built by entrepreneurs, for entrepreneurs. We encourage calculated risk-taking, value ownership over seniority, and reward results over tenure. Every team member has the opportunity to make a difference—no matter your title or tenure.

We're also deeply committed to diversity, equity, and inclusion. We believe that the best ideas come from diverse perspectives, and we're dedicated to creating an environment where everyone feels valued, heard, and empowered to contribute their unique talents.

Ready to Make Your Mark?

If you're ready to join a company that's transforming the way the world shops, don't miss this opportunity. We're looking for exceptional talent to help us build the destination for finding and purchasing anything online.

This is more than just a job—it's a chance to shape the future of e-commerce, grow your career, and be part of something truly historic. At arenaflex, we measure success by the impact we make on our customers, our sellers, and each other.

Are you ready to bring your energy, expertise, and entrepreneurial spirit to arenaflex? If so, we encourage you to apply today and take the first step toward an exciting and rewarding career.

Apply now and become part of the team that's redefining what's possible in e-commerce!

Interested in this role?Apply on iHire