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?

JOB DESCRIPTION:

Join Back Market's Seller Success team at the most critical moment of our sellers' journey! As Europe's leading refurbished electronics marketplace, we're revolutionizing how businesses launch and thrive on our platform.

As a Seller Launch & Account Management Intern, you'll be the bridge between onboarding and long-term success, managing newly launched sellers through their crucial first weeks on Back Market. You'll own a portfolio of 50-100 sellers during their trial period, combining relationship management, performance analysis, and strategic guidance to transform new partners into thriving marketplace champions.

This role perfectly blends account management and business development – you'll be analyzing sales data, conducting performance check-ins, providing strategic advice, and building lasting relationships that drive both seller success and Back Market's growth across Europe and the United States.

YOUR MISSION (IF YOU ACCEPT IT): 🥇

Portfolio Management: Own and manage 50-100 newly launched sellers through their critical first 30-60 days on the platform, ensuring their successful transition from onboarding to active selling
Performance Analysis: Leverage Excel and Salesforce to analyze sales and quality performance data, identifying optimization opportunities and providing actionable insights to improve seller results
Strategic Check-ins: Conduct structured follow-ups at key milestones (D10, D15, D30, D60), guiding sellers through our gamified launching process and addressing challenges proactively
Relationship Building: Develop strong professional relationships with sellers across Europe, providing patient, friendly support while maintaining high performance standards
Cross-functional Collaboration: Work with Operations, Quality, Product, and Finance teams to adapt solutions and drive special projects like Black Friday campaigns and market diversification initiatives

YOU ARE IN THE RIGHT PLACE IF: ⭐

Seeking a 6-month full-time internship (End of Studies or experienced Gap Year candidates preferred)
Fluent English & French (C1 minimum) - you'll manage relationships with sellers across Europe and the US daily
Excel proficiency including pivot tables and data analysis capabilities
Highly organized with exceptional attention to detail for managing high-volume seller portfolios
Strong communication skills - professional, friendly, and patient approach to challenging situations
Negotiation and relationship-building abilities essential for portfolio management success

Bonus Points:

Previous commercial experience - highly valued for managing seller relationships independently
Salesforce experience or CRM familiarity
E-commerce or marketplace experience
Proactive ownership mindset - ability to make processes your own and drive improvements
Additional European languages

Ideal Profile: We're seeking a more experienced intern profile who can handle independent portfolio management. You should be genuinely excited about account management, sales performance optimization, and building lasting business relationships. Experience in commercial roles is highly valued as you'll be the primary point of contact for sellers during their most critical growth phase.

ABOUT THE INTERNSHIP: ℹ️

Starting date: January 2026
Duration: 6 months (until June 2026)
Schedule: Full-time (35H/week)
Location: Paris, France
Contract: Internship agreement from your French school required

RECRUITMENT PROCESS: 📅

HR Discovery Call with Talent Acquisition Specialist (30min)
Live Business Case Study and Skills Interview with your future manager (45min)
Team Fit Interview with a team member (30min)

WHY SHOULD YOU JOIN US ?

At Back Market, we’re committed to hiring and supporting diverse teams of people from all backgrounds, experiences, and perspectives — it’s one of the reasons we’re such a high-scoring certified B Corp company (93.2).

No matter your role and seniority level, you’ll enjoy impact-driven work with hands-on career development in an innovative, driven, and fast-paced environment — with benefits to match, like:

- A mission driven work environment where your day to day makes an impact on the planet. Seriously.

- Hybrid work environment, with 2 remote days a week and 1 remote work week per quarter, plus 3 flex days.

- Employee Resource Groups, including mentorship programs, comprehensive accessibility policies, and cultural competency training.

At Back Market, we strive to create a workplace that embodies the world we’re trying to change. We’ve embedded our diversity, equity, and inclusion principles into our DNA — from dedicated staff to employee resource groups to our company values.

We know that the perfect background for a role doesn’t mean the perfect fit — we encourage you to apply for a role even if you think you may not have all the qualifications.

If reasonable accommodations are needed for the interview process, please do not hesitate to discuss this with the Talent Acquisition Team.

Ready to accelerate your career in account management while driving the success of Europe's most exciting sustainable commerce platform? Join us in reshaping the future of refurbished electronics!