Seller Onboarding and Support Intern

Skills this role screens for

About the role

HI, WE’RE BACK MARKET.

We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.

Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have.

Are you ready to join us?

Also

JOB DESCRIPTION

Join Back Market's dynamic Seller Success team as the driving force behind our seller ecosystem! As Europe's leading refurbished electronics marketplace, we're revolutionizing how businesses connect with millions of customers across the EU, the UK and the US.

As a Seller Activation Intern (Onboarding & Seller Support), you'll be at the heart of our growth strategy, transforming thousands of potential sellers into thriving Back Market partners. You'll master the art of business prioritization, relationship building, and data-driven decision making while gaining hands-on experience in one of Europe's fastest-growing tech companies.

This isn't just about processing applications – you'll be identifying high-potential business opportunities, strategically prioritizing sellers based on market potential, and directly impacting our marketplace expansion across Europe and the United States. At the same time, you'll play a hands-on role in improving how we work — collaborating with cross-functional teams to spot inefficiencies in our seller activation processes and helping design better, more scalable solutions.

The company

YOUR MISSION (IF YOU ACCEPT IT)

• Strategic Seller Management: Navigate through our extensive database of thousands of potential sellers, qualifying and prioritizing them based on business potential and strategic fit
• Business Development: Provide professional consultation and support via Salesforce, guiding sellers through our comprehensive onboarding journey from initial sign-up to successful activation
• Data-Driven Prioritization: Leverage Excel and Salesforce to analyze seller profiles, create strategic reports, and identify the most promising business opportunities
• Projects : Take ownership of improvement projects end to end. You'll get your hands dirty identifying pain points, spotting repetitive tasks ripe for automation, and driving solutions from idea to implementation with the help of your manager — not just flagging issues, but fixing them.
• International Impact: Communicate directly with sellers across Europe and the US, building strong professional relationships that drive business growth

Also

YOU ARE IN THE RIGHT PLACE IF

• Seeking a 6-month full-time internship (Gap Year or End of Studies welcome)
• Fluent English - you'll be the voice of Back Market to international sellers
• Excel proficiency including pivot tables and data analysis capabilities
• Highly organized with exceptional attention to detail - you'll manage high-volume, process-intensive workflows
• Passionate about business development/sales with a keen eye for identifying opportunities
• Structured approach to work with ability to prioritize effectively in fast-paced environments

Nice to have

Bonus Points

Ideal Profile: We're looking for ambitious, friendly yet professional students who are genuinely excited about sales, business development, and e-commerce — and who don't just want to observe, but to build. The ideal candidate is curious about how processes work, quick to spot inefficiencies, and moti

• French language skills
• Salesforce experience or CRM familiarity
• Previous commercial or e-commerce experience
• Proactive mindset with initiative for process improvements
• Additional European languages