Intern Marketplace

We are looking for a motivated and detail-oriented Marketplace Intern to support our e-commerce team in managing and optimizing product listings across online marketplaces. In this role, you will gain hands-on experience in e-commerce operations, product content optimization, and marketplace performance tracking. You will work closely with internal teams to support campaigns, ensure brand consistency, and help improve the overall quality and performance of our marketplace presence. This internship offers a great opportunity to learn how online marketplaces operate and to build practical experience in a fast-paced, digital environment.

What you will do:

• Support in managing and updating product listings on marketplaces 

• Assist with optimizing product content, images and pricing 

• Help monitor sales performance and basic marketplace metrics 

• Support marketplace campaigns, promotions and advertisements 

• Coordinate with internal teams to ensure product availability and accuracy 

• Perform checks to ensure brand consistency and content quality 

• Identify issues in listings and report improvements or errors 

• Stay informed about marketplace updates, tools and guidelines 

• HBO program in Business, Marketing or E-commerce field 

• Available for at least 32 hours per week. 

• Strong interest in E-commerce and online marketplaces 

• Good command of Dutch 

What you can expect from us:

At Karsten International you will join a supportive, ambitious team where we work hard, stay sharp, and enjoy what we do. We are growing fast, so there’s plenty of room to share ideas, take ownership, and really make an impact. We communicate openly, help each other out, and keep things direct but respectful. 

Who we are? 

Karsten International develops a wide range of products for daily use, from the latest gadgets to sustainable beauty products. You name it, we make it. In addition to working hard and delivering quality, enjoyment and collegiality are our top priorities. The team consists of driven product developers, sales experts, logistics talents, online marketing specialists and graphic designers. Thanks to a broad international network and more than ten years of experience, we are winning the hearts of consumers all over the world with our products. You will be given every opportunity to contribute to this.  

Our core values (woven into how we work together):

• Efficient & cost-conscious: We manage time and resources smartly, think critically and value what’s already in place. 

• Ambitious with long-term focus: We take ownership, build lasting relationships and stay humble in our success. 

• Striving for the best: We measure, learn, improve—and challenge each other to exceed expectations. 

• Direct & respectful: We communicate openly and treat everyone with respect, regardless of background. 

• We like to have fun: We enjoy what we do and create a positive, energetic work environment. 

Are you the candidate we are looking for? Then we would like to receive your motivation with CV short motivation via the application link.  

Questions? Ask our Recruiter Fanisha :

Mobile: +31 6 27 46 7420 | Landline:  +31 20 261 4883