Expert Minerals

Poland

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 110,000 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 Minerals Expert within the Natural History & Finds category, you will strengthen the Minerals segment through high-quality curation, commercial growth, and strategic supply expansion.

You will combine deep mineral expertise with a strong commercial mindset to drive category performance, expand the global seller base, and contribute to cross-category collaboration within the Collectables Supercluster.

What You’ll Do

Curate high-quality, commercially attractive Minerals auctions, ensuring accuracy, authenticity, and strong presentation
Review titles, descriptions, images, and provide realistic market-based estimates to maximise buyer engagement
Maintain high standards of transparency and quality for both bidders and sellers
Expand and diversify supply by recruiting new sellers, reactivating inactive ones, and leveraging your industry network
Identify commercial opportunities such as rare specimens, mine-specific supply, and new subcategories
Lead category initiatives and projects, using data and market insights to shape strategy and improve processes
Collaborate with Sales, BD, Marketing, and cross-category experts to drive traffic, engagement, and growth

What You’ll Bring

Deep expertise in Minerals, including mineralogy, specimen quality, geological context, rarity, and market value
At least 5 years of professional experience in the Mineral trade as a dealer, curator, collector, academic specialist, or commercial expert
Strong industry network of Mineral dealers, miners, collectors, and specialist suppliers
Commercial strength with experience in seller engagement, deal-making, auctions, or online marketplaces
Understanding of auction dynamics, online buyer behaviour, pricing strategies, and authenticity standards
Ability to work independently while contributing to shared category and cluster goals, with strong cross-functional collaboration skills
Professional communication skills, digital fluency, and proficiency in English, additional languages are a plus

How We Work

Collaborate closely with Experts, Account Managers, BD, Marketing, and the Category Lead
Contribute to cross-category initiatives within the Collectables Supercluster
Use data and market insights to inform strategy and decision-making
Balance independent ownership with teamwork in a fast-paced digital environment

Where You’ll Be

This is a 100% remote role and can based in any one of our established hubs in Europe.

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, Paris 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.