Performance Marketing Intern - January 2027

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 around 600 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. About the role 🖥️ Vestiaire Collective is looking for a Performance Marketing Intern to join our team starting January 2027! As part of the Performance Marketing team, you will contribute to the execution and optimization of our international paid media campaigns, helping drive qualified traffic, acquire new buyers, and grow our business. You will work closely with the Performance Marketing, Marketing Analytics, and Influencer Marketing teams, gaining hands-on experience across multiple advertising platforms while combining data-driven insights with creativity. What you will do 👜 Paid Media Campaign Management Support the day-to-day management and optimization of paid media campaigns across Google Ads (Search, Shopping, Performance Max), Meta, TikTok, Pinterest, and Criteo. Monitor key performance indicators (CPC, CPM, CTR, ROAS) to identify trends and optimization opportunities. Contribute to keyword research, ad copywriting, audience targeting, and landing page optimization. Participate in the development of media plans for 360° marketing campaigns. Performance Analysis & Reporting Analyze campaign performance across channels, creatives, and ad copy to identify actionable insights. Build and improve performance reporting templates in collaboration with the Growth Analyst. Support data-driven recommendations to optimize media investments, drive GMV, and acquire new buyers. Creative Strategy & Influencer Collaboration Collaborate with the Influencer Marketing team to integrate and scale User-Generated Content (UGC) across paid media channels. Coordinate the weekly and monthly deployment of UGC assets and monitor their performance. Benchmark creative performance, explore emerging content formats, and identify opportunities to improve campaign effectiveness. Learning & Innovation Stay up to date with digital advertising trends, platform updates, and industry best practices. Contribute fresh ideas and participate in projects to improve our performance marketing strategies. Develop your technical and analytical skills through hands-on projects, mentorship, and regular feedback from the team. Who you are ⭐ You are currently pursuing a Master's degree in Marketing, Business, Communications, or a related field. You have a strong interest in digital marketing and performance advertising, with a basic understanding of paid search, paid social, and display advertising. You are digitally savvy and actively follow trends across Instagram, TikTok, and Pinterest, particularly within the fashion, luxury, and creator ecosystems. You have an analytical mindset, enjoy working with numbers, and are curious about turning data into actionable insights. You are comfortable using Excel or Google Sheets. Knowledge of SQL or data visualisation tools is a plus.