Senior Marketing Data Analyst

Vestiaire Collective is the leading global online marketplace for desirable pre-loved fashion. Our mission is to transform the fashion industry for a more sustainable future by empowering our community to promote the circular fashion movement. Vestiaire was founded in 2009 and is headquartered in Paris with offices in London, Berlin, New York, Singapore, Ho Chi Minh and Hong Kong and warehouses in Tourcoing (France), Crawley (UK), Hong Kong and New York.
We currently have a diverse global team of 700 employees representing more than 50 nationalities. Our values are Activism, Transparency, Dedication and Greatness and Collective. We are proud to be a BCorp.
About The TeamThe Marketing Analytics team is key for Vestiaire Collective to continue driving marketing performance which will be a necessary driver of Vestiaire Collective’s global growth. You will be part of a team that works cross functionally with branding, performance marketing, business performance, CRM, product, analytics engineering, and senior leadership to drive our business forward.
About the role 🖥️As a Marketing Data Analyst you’ll be reporting directly to the Director of Marketing Analytics and be exposed to Marketing senior leadership. You’ll use your quantitative background to guide decision-making and drive marketing budget allocation decisions.. We solve many exciting challenges including customer acquisition, customer activation and retention as well as media mix modeling, marketing attribution and experimentation If you enjoy building marketing measurement assets to test and learn to optimize marketing performance and customer LTV, we’re looking for someone like you!

What you will do 👜

• Build quantitative analysis using advanced modeling techniques (bayesian inference, time series modeling etc.) and packages (Meridian, Prophet, Scikit learn etc.) to provide insights that help marketing business leaders understand marketing performance and give actionable recommendations on the best marketing mix to apply
• Build and maintain dashboards used by different teams (Social, Influence, Performance Marketing etc.)
• Measure the impact of Branding campaigns on both traffic and customer acquisition
• Define strategies to improve both the marketing effectiveness and efficiency of media performance
• Build full-cycle analytics experiments, reports, and dashboards using SQL, R, Python, Tableau, or other scripting and statistical tools

Who you are ⭐

• You bring 4+ years of experience in marketing analytics, business analytics, consulting, finance, agency, or other quantitative roles.
• You have extensive hands-on experience working in MMM (Marketing mix modeling), Incrementality testing, Attribution modeling, and experimentation/A/B testing (mandatory skills)
• You have an advanced degree (Master’s preferred) in Business, Statistics, Data Science, Economics, or Digital Marketing.
• You're curious, structured, and a self-starter—able to navigate ambiguity, build relationships with stakeholders, and translate data into clear, actionable insights.
• You're proficient in Excel and SQL, and experienced with at least one data visualization tool such as Tableau, Looker, or Google Data Studio.
• You’re familiar with ETL processes, statistical analysis (e.g., hypothesis testing, regression), and packages/tools like Scikit Learn, Prophet, Robyn, or similar.
• Python coding experience is a plus.
• You're a team player who thrives in fast-paced environments, and you're always eager to learn and grow.
• You are fluent in English

What we offer 🎁
A meaningful job with an impact on the way people consume fashion and promote sustainabilityThe opportunity to do career-defining work in a fast-growing French-born scale upThe possibility to work as part of a globally diverse team with more than 50 nationalities Two days to help Project - reinforcing your activist journey and volunteer for an associationSignificant investment in your learning and growthCompetitive compensation and benefits packageAs full member of our entrepreneurial project, you will be eligible to free shares
Research indicates that people from underrepresented backgrounds—including women, people with disabilities, and other marginalized communities—often hesitate to apply for roles unless they meet every single requirement.
At Vestiaire Collective, we believe that talent comes in many forms, and we're committed to creating an inclusive environment where everyone can thrive. Your unique perspective could be exactly what our team needs, so we encourage you to apply even if you don't tick every box.
Vestiaire Collective is an equal opportunities employer  
Beware of ScamsVestiaire Collective only contacts candidates via official emails ending in @vestiairecollective.com or no-reply@hire.lever.co . We never use WhatsApp, Telegram, or similar apps for job offers, nor will we ever request payments or banking details.If you receive a suspicious message, please report it to talentacquisition@vestiairecollective.com