Global Sales & Technical Support Assistant

Vestiaire Collective group; Paris; Hybrid; EUR 55,000 - 72,000; Full time

Benefits offered by this job

Bonus

Health coverage

Lunch vouchers

Gym-Pass

Hybrid work

Job summary

Vestiaire Collective, the leading global platform for pre-loved fashion, seeks a Seller Support & Onboarding specialist to advise and support professional sellers across Europe, US and APAC. You will join the Global B2C team and work with Market and Project Managers to roll out initiatives and ensure sellers become active on the platform.

The role requires 2+ years in partner or sales support within e-commerce, fluent French, English, and Italian preferred, strong data skills in Excel, and a

Qualifications

• 2+ years experience in partner / sales support, B2B operations or technical account support within an e-commerce or marketplace environment.
• Strong written and verbal communication in French, English and Italian is a plus.
• Analytical mindset with ability to identify bottlenecks and propose scalable improvements.
• MS Excel proficiency for daily data tracking, reporting, and analysis.

Responsibilities

• Daily support: provide high-touch operational and sales assistance to address partner queries.
• Project execution: assist Market and Project Managers with cross-partner initiatives and supply development projects.
• Seller onboarding: own end-to-end onboarding of new professional sellers until active on the platform.
• Process improvement: streamline internal processes and reduce bottlenecks.
• Feedback relay: consolidate seller feedback to help tailor success plans.

Skills

French language proficiency

English language proficiency

Italian language proficiency

Analytical mindset

MS Excel

Data analysis

Problem solving

Tools

APIs

Bulk Upload tools

Inventory Management Systems

Job description

Vestiaire Collective is the leading global platform for desirable pre-loved fashion and a pioneer in transforming how people consume fashion.
Our mission is simple: make circular fashion the norm, not the exception.
Through technology, expertise, and a highly engaged global community, we enable millions of people to buy and sell fashion in a more sustainable way.
Founded in Paris in 2009, Vestiaire Collective is now a globally scaled marketplace with offices in Paris, London, Berlin, New York, Singapore, and Ho Chi Minh City, and logistics hubs across Europe, Asia, and the US.
Today, we are a team of around600 people from over 50 nationalities, united by a shared ambition: to drive meaningful change in the fashion industry.
Our values, Activism, Transparency, Dedication, Greatness, and Collective,shape how we build, collaborate, and grow every day.

What you’ll do

Advise and support our professional sellers located across Europe, US and APAC! You will be a part of the Global B2C team, reporting directly to the B2C Director and working in direct collaboration with Project and Market Manager.

Seller Support & Onboarding

• Daily Support: Deliver high-touch operational and sales assistance to address partner queries and resolve everyday blockers
• Project Execution: Assist Market and Project Managers in the rollout of cross-partner initiatives and supply development projects.
• Seller Onboarding: Own the end-to-end operational onboarding of new professional sellers until they are successfully active on the platform
• Process Improvement: Improve internal processes and eliminate operational bottlenecks
• Feedback Relay: Consolidate seller feedback and operational needs to help managers tailor success plans, acting as the internal voice of the partners.

Seller Education

• Best Practices: Educate sellers on optimal sales strategies and platform tool management to boost their commercial success.
• Tool Adoption: Support training efforts by guiding sellers on best practices, answering their questions, and ensuring they successfully adopt our platforms and tools

Technical Support & Incident Management

• Technical support: Troubleshoot and respond to requests for technical assistance our partners may face, coordinating with internal tech resources
• First-line Tech Support: Act as the primary liaison for technical issues, performing initial triage and pre-investigation on partner incidents (via JIRA) before coordinating with internal Tech resources.
• Automation & API Integration: Take charge of the technical onboarding and integration of our top-tier sellers onto automated bulk upload tools (API, Bulk Tool, integrations), ensuring seamless catalog synchronization.
• Documentation & Roadmap: Update external and internal support documentation and compile recurring technical requests to help the team feed the product roadmap

Who you are

• Experience: 2+ years experience in partner / sales support, B2B operations or technical account support within an e-commerce or marketplace environment.
• Customer focused with strong written and verbal communication skills in French, English and Italian is a +
• Analytical mindset focused on identifying operational bottlenecks, collecting structured feedback, and proposing scalable process improvements.
• Data Skills: Proficient in MS Excel for daily data tracking, reporting, and operational analysis
• Tech appetite: experience or strong interest in automated solutions (APIs, Bulk Upload tools, Inventory Management Systems) and not afraid to deep dive into the technical aspects of the business
• Soft Skills: Strong organizational, team spirit and attention to detail. We need people who know how to act decisively, look for root causes and have a problem solving mindset to facilitate the collection of information required and ability to meet deadlines

What We Offer

• Purpose-driven work at scale
• Join a company reshaping the fashion industry towards circularity, you directly contributes to reducing waste and extending the life of luxury items.
• High-impact scope & ownership
• Work on products used globally, where your decisions have immediate, measurable impact on millions of users across 70+ countries.
• A truly international environment
• Collaborate with a diverse team of 50+ nationalities across Paris, London, Berlin, New York, Singapore, and Ho Chi Minh City.
• Career acceleration in a fast-moving scale-up
• Take ownership early, grow fast, and shape your path, as an expert or a future leader.
• Learning & growth as a priority
• Dedicated budget, continuous feedback culture, and opportunities to work on cutting-edge topics (AI, marketplace dynamics, scalability, etc.).
• Flexible ways of working
• Hybrid model (typically 2 days remote per week), with trust and autonomy at the core of how we operate.
• Give back through action
• 2 paid days per year to support a cause of your choice and actively contribute to positive impact beyond your day-to-day role.
• Competitive compensation & benefits
• Including bonus, health coverage, lunch vouchers, Gym-Pass, and additional legal perks depending on your location.

Research shows that candidates from underrepresented backgrounds including women, people with disabilities, and other marginalized communities, are less likely to apply unless they meet 100% of the criteria.

At Vestiaire Collective, we believe diversity drives better decisions, stronger products, and more meaningful impact.
If this role excites you but your experience doesn’t align perfectly, we still encourage you to apply, your perspective could be exactly what we’re looking for.
Vestiaire Collective is proud to be an equal opportunity employer.

PS: We take candidate experience seriously, and your safety too !
Vestiaire Collective will only contact you through official email addresses ending in @vestiairecollective.com or [e-mail].
We will never:
Contact you via WhatsApp, Telegram, or similar platforms
Ask for payment or banking information at any stage of the process
If you receive a suspicious message, please report it to: [e-mail]