Category Development Assistant Intern JANUARY 2026

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profile Job Location:

Paris - France

profile Monthly Salary: Not Disclosed
Posted on: 30+ days ago
Vacancies: 1 Vacancy

Job Summary

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 role

    • As a Category Development Assistant Intern you will support the team in accelerating the growth and performance of our categories working closely with cross-functional teams (marketing merchandising business development operations).

What you will do

    • Performance tracking: monitor category KPIs (sales GMV assortment mix bestsellers trends).
    • Category strategy support: contribute to the 2026 category development strategy by identifying differentiating opportunities for Vestiaire in the market.
    • Market insights & benchmarking: benchmark other resale and e-commerce platforms track competitor strategies and analyze consumer behavior to spot growth opportunities)
    • Business recommendations: assist in building action plans and strategic presentations to support category growth.
    • Assortment management: contribute to assortment reviews including product segmentation innovation tracking and pricing analysis.
    • Project support: collaborate on cross-functional initiatives such as merchandising projects launches or promotional campaigns.

    • Currently enrolles in Master 2 in Business Marketing Data/Analytics or a related field.
    • Strong analytical skills and a passion for turning data into actionable insights.
    • Proficiency in Excel and PowerPointInterest in fashion luxury and sustainability.
    • Rigorous detail-oriented and proactive with strong communication skills.
    • Fluent in English; French is a plus.

What we offer

    • A unique opportunity to contribute to the growth of the worlds leading resale platform for luxury fashion.
    • Hands-on experience in category development within a fast-paced mission-driven scale-up.
    • An inspiring work environment in the heart of Paris with a dynamic and international team.
What we offer

A meaningful job with an impact on the way people consume fashion and promote sustainability
The opportunity to do career-defining work in a fast-growing French-born scale up
The 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 association
Significant investment in your learning and growth
Competitive compensation and benefits package
As full member of our entrepreneurial project you will be eligible to free shares

Research indicates thatpeople from underrepresented backgroundsincluding women people with disabilities andother marginalized communitiesoften hesitate to apply for roles unless they meet every single requirement.

At Vestiaire Collective we believe that talent comes in many forms and were 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 dont tick every box.

Vestiaire Collective is an equal opportunities employer

Beware of Scams
Vestiaire Collective only contacts candidates via official emails ending in@ or . 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

Required Experience:

Intern

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 Pa...
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Key Skills

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