Every year, billions of clothing items are produced but never sold. Much of this unworn fashion ends up in landfills – a massive waste of creativity, craftsmanship, resources, and investment. We're here to change that. As a purpose-led company, we use technology to help fashion brands give every item a chance to be worn. And we’re proud to be a certified B Corp – recognised for meeting high standards of social and environmental impact, transparency, and accountability.
How we work
We’re a purpose-driven scale-up, based in Amsterdam and active across Europe, with a diverse and international team. Our mission is simple: sell unsold inventory. Otrium values a healthy work-life balance. We have adopted a flexible hybrid way of working, encouraging our team members to come to our open, spacious, plant-filled Amsterdam HQ at the waterside of Houthavens at least twice a week. Full-time office presence is welcomed, and you’re empowered to organise your schedule in a way that works for you and the team.
Your impact
This internship offers a hands-on opportunity to build a strong foundation in performance marketing, paid media, ad operations, and campaign analysis. It’s an ideal role for someone starting their career in (fashion) marketing and eager to learn in a fast-paced environment.
Job requirements
Studying a relevant degree in (Digital) Marketing, Communications, Media, Fashion, or similar
Available from January for a duration of 6 months, 32–40 hours per week.
Able to commute to the Houthavens office at least 2 days per week
Fluent in English (additional European languages are a plus)
Proactive, hand-on mindset with a strong willingness to learn about digital marketing.
Attention to detail in campaign setup and analysis.
Analytical mindset: with an interest in working with data (and AI tools).
Excellent communication skills, with the ability to collaborate effectively across different teams and not afraid to share their own ideas!
Ability to thrive in a fast-paced international environment.
Job responsibilities
Support members of the User Acquisition team with planning, execution and optimization of paid media campaigns across channels such as Meta, TikTok, Reddit and Pinterest.
Assist in campaign setup and support the team with data analysis of different channels, campaigns, ads and (A/B) tests to generate actionable insights.
Support creative testing processes, including briefing, tracking results, and documenting learnings.
Coordinate with cross-functional teams at Otrium to ensure a consistent campaign experience across channels.
Other ad-hoc tasks; never a dull moment in the User Acquisition team.
Benefits
An internship allowance of 550 Euros per month.
Travel cost reimbursement (if more than 10km away from the office)
One holiday day per month, plus an additional day off on your birthday!
Tasty office lunches in our beautiful, waterside office in Houthavens.
A Mac laptop and exclusive company merch.
Employee discount on all Otrium products.
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How We Hire
Otrium is committed to fostering a diverse, inclusive, and supportive community. We believe in the power of diversity and consider all applicants, regardless of age, ethnicity, gender identity, nationality, race, religion, or sexual orientation. We’re proud to have employees from all corners of the world, and we aim to create a workplace where everyone can thrive.
What's Next?
Excited about this opportunity? We’d love to hear from you! Tell us why you’re a great fit for this role and how you’ll contribute to the O-Team.
Skills Required
- Currently studying a relevant degree in Digital Marketing, Communications, Media, Fashion, or a similar field
- Available from January for a six-month internship
- Available 32–40 hours per week
- Able to commute to the Houthavens office at least two days per week
- Fluent in English
- Proactive, hands-on mindset and willingness to learn digital marketing
- Attention to detail in campaign setup and analysis
- Analytical mindset and interest in working with data and AI tools
- Excellent communication and cross-functional collaboration skills
- Ability to thrive in a fast-paced international environment
- Additional European languages
What We Do
This is Otrium: the world's most innovative end-to-end platform for off-price fashion. Hundreds of brands consumers love – all in one app. Otrium is a purpose-driven platform that envisions a world where all clothing that is produced is worn. With a technology-led approach, Otrium connects a growing global community with excess stock from leading brands. We aim to empower conscious consumers to reduce industry waste while giving fashion brands a lasting presence with new value and fans outside of seasonal business models. Named on Fast Company magazine's most innovative companies 2023. Our proprietary technology lets brands of any size quickly set up their own outlet store with a full-service B2C2B approach. Recent labels joining our roster include Diane von Furstenburg, All Saints, Paige, and Thakoon. They join established flagship brands including Tommy Hilfiger, Reiss, and Asics. With over 4 million registered members (and counting!), Otrium’s platform offers a personalised fashion experience and savings of up to 75% off the designer and luxury brands people love. We now reach members and brands in over 20 markets – on both sides of the Atlantic. Join us. It gets even better: We're hiring! Otrium employs around 100 people globally, with a hub in our founding city, Amsterdam.








