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Global Sales & Technical Support Assistant

Vestiaire Collective - Paris, Île-de-France, France - Hybrid - posted 2026-10-12

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Vestiaire Collective, the leading global marketplace for pre-loved luxury fashion, is seeking a Global Sales & Technical Support Specialist to join its B2C team in Paris. Reporting to the B2C Director, you will serve as the primary point of contact for professional sellers across Europe, the US, and APAC, delivering high-touch operational and sales support while managing technical integrations and incident resolution. In the Seller Support & Onboarding capacity, you will deliver daily operational and sales assistance to professional sellers, resolve blockers, and own end-to-end onboarding of new partners until they are active on the platform. You will assist Market and Project Managers in rolling out cross-partner initiatives and supply development projects, improve internal processes to eliminate bottlenecks, and consolidate seller feedback to inform success plans and strategic decisions. For Seller Education, you will educate sellers on optimal sales strategies and platform tool management, support training efforts by guiding partners through best practices, and ensure successful adoption of platforms and tools. On the Technical Support & Incident Management side, you will troubleshoot and respond to technical assistance requests, act as the primary liaison for technical issues by performing initial triage and pre-investigation via JIRA before coordinating with internal tech resources, and take charge of technical onboarding and integration of top-tier sellers onto automated bulk upload tools (APIs, Bulk Tools, integrations) to ensure seamless catalog synchronization. You will also update external and internal support documentation and compile recurring technical requests to feed the product roadmap. Vestiaire Collective is a globally scaled marketplace founded in Paris in 2009, now operating across six continents with approximately 600 employees from over 50 nationalities. The company's mission is to make circular fashion the norm through technology, expertise, and a highly engaged global community. The role offers hybrid flexibility (typically 2 days remote per week), competitive compensation including bonus and comprehensive benefits (health coverage, lunch vouchers, gym pass), dedicated learning and growth budget, and 2 paid days annually for volunteering with a cause of your choice. REQUIREMENTS: - 2+ years of 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 and English (Italian is a plus) - Analytical mindset focused on identifying operational bottlenecks, collecting structured feedback, and proposing scalable process improvements - Proficient in MS Excel for daily data tracking, reporting, and operational analysis - Experience or strong interest in automated solutions (APIs, Bulk Upload tools, Inventory Management Systems) with willingness to deep dive into technical aspects - Strong organizational skills, team spirit, attention to detail, decisive action, root-cause analysis, and problem-solving mindset with ability to meet deadlines

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