Top Tech Jobs & Startup Jobs

Build and deploy production-ready ML models to improve user experience, optimize workflows, and detect abuse. Explore large datasets, identify opportunities, collaborate with product and engineering, and deliver scalable real-time, asynchronous, and batch predictions using cloud and Kubernetes.

Evaluate and create attractive jewellery auctions by assessing lots, writing descriptions, estimating values, recruiting and developing sellers, collaborating with sales and marketing, mediating disputes, and driving bidder interest for the Belgian market.

Drive growth of Catawiki's Collectables business in Japan by onboarding high-quality sellers, managing relationships, and supporting them for long-term success.

The Key Business Developer will drive growth for Catawiki's collectible business in Japan, building a robust pipeline of quality sellers and supporting their onboarding and long-term success.

As Category Manager, you will drive the growth strategy for the Asian & Tribal category, manage P&L, lead a team, and develop strong relationships with sellers and institutions to enhance buyer experience and engagement.

Own selected accounting areas and month-end close activities (journals, accruals, reconciliations). Partner with Payroll and external accounting partners, support audits, analyse variances, improve processes, use Workday Financials, and drive scalable finance controls across an international marketplace.

Senior ML Data Scientist responsible for building production-ready, scalable ML models, finding data-driven opportunities, deploying models (real-time, async, batch) on Kubernetes/cloud, collaborating with product and engineering, and mentoring others to deliver robust data products that create business value.

Evaluate, curate, and present high-quality book lots for auction. Create compelling listings, estimate values, onboard and advise sellers, monitor results, and use market insights to grow the books category—with emphasis on French literature expertise as a strong asset.

Build and deploy production-ready ML models from exploration to serving (real-time, async, batch). Analyze large mobile/web datasets, identify ML opportunities, write scalable code, collaborate with product, dev, UX and analysts, and communicate model results to non-technical stakeholders to deliver impactful data products.

Screen and curate watch lot submissions, create attractive listings, estimate values, optimise auction strategies, monitor performance, advise and mediate with sellers, and maintain quality and commercial targets for vintage and modern exclusive watches.