At Catawiki, every day brings the extraordinary! Whether it’s Daniel Ricciardo’s Formula 1 Car, a Woolly Mammoth’s Skeleton, Lady Gaga's Jumpsuit or Usain Bolt’s running shoe, we encounter exceptional objects every day. We’re a one-of-a-kind marketplace for buying and selling special objects. Each week, more than 100,000 unique items are auctioned, all carefully curated by our passionate in-house experts. Having sold over 25 million unique objects, our mission is to become the world’s most popular destination for special objects. As a growing, diverse and sustainable scale-up, we proudly live by three core values. If these values resonate with you, we’d love to explore how you can join us. * Taking ownership and driving impact  * Being open to change and feedback * Being passionate about our mission and our customers.  YOUR MISSION As a Stamps Expert for the Benelux market, you will curate high-quality auctions that attract engaged bidders and trusted sellers. Your expertise ensures that every lot meets the right standards of quality, relevance, and transparency. You play a key role in maintaining fair and compelling auctions by combining deep market knowledge with strong commercial judgement, contributing directly to the success and growth of your category. WHAT YOU’LL DO * Evaluate and arrange stamp lots submitted by users, ensuring each auction features attractive and relevant listings * Create compelling weekly lot selections using your market expertise and professional network * Review titles, descriptions, and images to assess quality and provide accurate estimated values * Maintain transparent and fair transactions by applying expert judgement to every submission * Communicate rejections professionally and constructively, safeguarding seller relationships * Collaborate with Sales to attract new sellers and diversify the range and quality of lots * Partner with Marketing to increase bidder engagement and visibility for your auctions WHAT YOU’LL BRING * Strong passion and proven expertise in Stamps * Solid knowledge of the stamps market in either the Netherlands or Belgium; knowledge of both markets is a plus * Excellent commercial skills, with experience in negotiation and relationship building * Ability to work autonomously and make sound decisions in a fast-paced environment * Strong communication and interpersonal skills, with the ability to collaborate across teams * Good computer skills and confidence working with digital tools * Good command of English, written and spoken * Business experience in Sales, Marketing, Project Management, or as a Stamps Dealer is a plus WHERE YOU’LL BE This is a 100% remote role based in the Netherlands or Belgium. WHY YOU'LL LOVE WORKING WITH US * Create a visible impact by working at scale in a global organisation serving millions of customers across 80+ categories. In our flat structure, every role has a broad scope and directly impacts both our customers and the business. * Learn and grow through our Learning & Development initiatives, including clear development plans and mentorship programmes to support your career progression. * A culture of connection defines us. We’re a passionate, diverse team of 800+ Catawikians representing 60+ nationalities. We foster an inclusive and queer-friendly environment where everyone is encouraged to bring their full self to work. * Celebrate life’s moments with us. You’ll receive a €100 Catavoucher when you join, a €50 Catavoucher on your birthday, and an extra day off each year to “Pursue Your Passion”. We also offer additional leave for key work anniversaries and important life events. Benefits may vary by location. OUR OFFICES AND WAY OF WORKING Our vibrant offices in Amsterdam and Lisbon are designed to inspire collaboration. Most Catawikians operate in a hybrid setup, combining office-based and remote work, with a minimum of two days per week in the office, unless a role is explicitly stated as fully remote or fully office-based. INTERESTED? Apply with an English CV and Cover Letter. By applying, you agree to Catawiki’s Applicant Privacy Policy. If you’re excited about this role but don’t meet every requirement, we still encourage you to apply anyway. You may be just the right candidate for this or other roles.