Vestiaire Collective

Data Scientist

• Design and own end-to-end AI/ML solutions for item quality and authenticity detection, spanning:
• Image analysis (detecting marks, defects, wear, size inconsistencies)
• Text and metadata understanding (brand, sizing, category anomalies)
• Counterfeit and fraud detection models
• Design, prototype, and iterate on AI models that directly power and improve customer-facing experiences on our platform (e.g., smarter assistance)
• Collaborate closely with the Product and Curation teams to define requirements, integrate AI models into their workflow, and provide insights to enhance their verification processes
• Advise and direct data/feedback collection for continuous improvement and monitoring of the performance of the models
• Perform rigorous model evaluation, A/B testing, and continuous improvement of AI models
• Work with engineering teams to ensure seamless deployment and integration of AI models into our existing platforms
• Research and stay updated on the latest advancements in AI, machine learning, deep learning and computer vision to identify new opportunities and best practices
• Mentor senior and mid-level data scientists, raising the technical bar on modeling, data quality, and experimentation best practices
• Communicate complex technical concepts and findings to both technical and non-technical stakeholders

Staff Data Scientist

Director

• Build, lead and inspire cross-functional Payment and Fraud teams, creating an environment where talent thrives and grows
• Establish clear team structures, processes, goals and career development paths to ensure long-term stability and engagement
• Foster a culture of collaboration, innovation and continuous learning across your teams
• Co Develop and implement with Product team a comprehensive fraud prevention strategy that protects our community while maintaining a smooth user experience with the objective to introduce more automated and gradual responses to fraud
• Move beyond binary decision-making to create nuanced, risk-based approaches (risk scoring, identity verification, graduated responses)
• Lead payment strategy across 70+ countries and multiple payment methods, identifying opportunities for innovation and optimization
• Evaluate and optimize existing payment methods based on conversion data and user behavior
• Explore and implement new payment technologies (wallets, pay-in/pay-out solutions, instant transfers)

Payment Fraud Director

Chief Marketing Officer

• Lead the global Vestiarie Collective brand strategy to strengthen awareness, desirability, and customer engagement for a luxury resale audience, driving measurable impact across awareness, acquisition and conversion.
• Oversee organic social media to shape the vision, tone, and content strategy across platforms, ensuring increased engagement, reach, and brand affinity.
• Scale the global influencer strategy to build cultural relevance and advocacy within luxury, fashion, and lifestyle communities, driving social reach and customer acquisition with measurable results.
• Launch impactful brand campaigns and partnerships from concept through execution to strengthen brand equity and desirability, driving clear performance outcomes on acquisition and growth goals.
• Lead global PR, media, and event initiatives to amplify storytelling and visibility, driving share of voice and brand credibility across key markets.
• Collaborate with Performance Marketing, CRM, and Merchandising to align brand strategy with commercial priorities, using data and insights to optimize brand effectiveness.
• Oversee the internal Creative Studio to deliver world-class creative direction, visual identity, campaign development, and content excellence
• Build, lead, and inspire a high-caliber global marketing team, developing talent and future organizational structure as we scale, embedding a culture of creativity, accountability, and results.

Marketing Director

Analyst

• You investigate and resolve queued manual review within the service level agreements to reduce potential revenue losses and bad accounts, by analyzing the user network and its surrounding data.
• You investigate and approve transactions to prevent unauthorized payment.
• You identify and analyze customer behaviors to surface fraud patterns such as friendly fraud involving delivery, return or chargeback, theft or account takeover and similar other risks.
• You partner with a Senior Fraud Specialist to design and implement fraud prevention strategies, improving Vestiaire Collective systems' efficiency.
• You defend customer’s fraud and non fraud disputes.

Fraud Analyst

Public Relations

• Support the Global Communications Team in all upcoming projects and campaigns
• Help organize local and international PR events (Showrooms, PR breakfasts and dinners)
• Support key global communications projects throughout the year
• Handle daily corporate global interview requests: gather information, draft answers
• Create and manage global reporting and LinkedIn analytics
• Use Global PR tools and analytics to process data
• Assist with sustainable projects and campaign launches
• Help draft LinkedIn posts and ongoing interview materials: data searches, analysis, interview drafts, fact-checking
• Report to the Head of PR & Communications; 6-month internship based out of the Paris office

PR and Corporate Communications Intern

Data Analyst

• Run weekly CRM campaigns and monitor their impact on the business
• Support creation and maintenance of commercial measurement studies (e.g. GMV, CRM sending) and share findings to stakeholders to enable continuous improvements.
• Work with cross functional teams to understand priorities and deliver insights and actions to improve CRM communications
• Be the gatekeeper of high data quality and fidelity; set processes to cross-check data, detect outliers, etc.
• Conduct end to end ad hoc analysis to provide actionable insights (ex: understand what are the drivers of customers opting out of CRM communication; run A/B tests to understand which CRM copy performs better)
• Assist the team on performance monitoring, ad-hoc requests and presentations to measure the impact of key projects and identify new ones.

Commercial Data Analyst Intern

• What you will do 👜
• You will work on multiple projects to improve the business performance, engagement and experience of the buyers/sellers on a daily basis, leveraging data analysis and data models to provide insights
• You will also be involved in communicating to other teams results and strategies to deploy.
• Projects you will work on include:
• Collaborating with head of Buyer Success/Seller Success to help understand trends and opportunities for buyers
• Daily monitoring of KPIs, to control how the business is growing
• Leading analysis to assess impacts of strategical’s choices on performance (incremental generated, cannibalization, profitability)

Marketplace Analyst Intern

Ecommerce

• What you will do👜
• Negotiating and drafting contracts relating to our e-commerce and marketplace activities covering software/technology/AI, payments, transport and warehouse operations
• Advising on e-commerce and marketplace regulations (including DSA, P2B, PSD2, GPRS, NIS2, EU AI Act and Customs)
• Managing legal topics relating to general business and commercial matters
• Where needed, manage and communicate with external law firms and other service providers

Senior Legal Counsel – E-commerce/Marketplace

Android Engineer

• Design, develop, and deliver high-quality Android features from concept through production via weekly release cadence.
• Take full end-to-end ownership of features—leading development, testing, release, monitoring and ongoing maintenance—with minimal reliance on QA and incident response teams.
• Work closely with cross-functional teams to transform product requirements into robust, scalable technical solutions.
• Apply best practices in modern Android development, ensuring code is maintainable, testable, and performant.
• Participate in code reviews, technical discussions, and architectural decisions to uphold high code quality standards.
• Optimize app performance and user experience, with a strong attention to UI/UX details.
• Use analytics and monitoring tools to measure feature success and identify opportunities for improvement.
• Contribute to knowledge-sharing and collaborating within the mobile engineering team.

Senior Android Engineer

• Assist in preparing federal, state, and local tax returns for the Group
• Organize and maintain tax records and supporting documentation
• Contribute to process improvements and automation efforts
• Research tax laws and updates to ensure compliance with the latest regulations
• Participate in tax conferences and lobbying groups