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Data Scientist - Machine Learning

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Catawiki

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Location:
Netherlands , Amsterdam

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

As a Machine Learning Data Scientist in the Data Team at Catawiki you will focus on delivering scalable and impactful data products. You’ll work closely with our product and development teams while implementing your work.

Job Responsibility:

  • Building production-ready models that apply machine learning and advanced data science techniques within our product offering by writing robust and scalable code
  • Finding data science opportunities by exploring our extensive mobile and web data, and applying machine learning and advanced statistics to tackle these real-world business problems
  • Being pragmatic when needed but also able to go deep into a problem, applying your expert knowledge of machine learning techniques
  • Working with cross-disciplinary teams involving product owners, developers, UX designers, and business analysts in identifying improvements and new use cases for ML
  • Deploy scalable models using Kubernetes on cloud infrastructure, producing real-time, asynchronous, and batch predictions

Requirements:

  • 3+ years of experience as an all-around data scientist
  • Comfortable diving into the internals of a model implementation and discussing new opportunities for ML with product stakeholders
  • Understand and apply standard and widespread ML techniques in your area with little support
  • Strong quantitative background (statistics, ML, sciences, etc.)
  • Fluent in Python and capable with SQL
  • Have deployed ML models in production serving real time responses on a large scale
  • Able to effectively communicate about your models to a non tech-savvy audience
  • Demonstrable experience in building robust data products that created value for the company you worked for

Nice to have:

  • Experience with one or more of the following: Google cloud platform, Kubernetes, Git, CI/CD, Recommender systems, PyTorch, Kafka, nginx
  • Experience working on developing ML products for online marketplaces / ecommerce platforms
  • An entrepreneurial mindset that enables you to get things done, even if that requires actions outside your own area or comfort zone
  • Proven ability to extract meaning from very big datasets with little engineering support
What we offer:
  • Excellent relocation package for people living outside of the Netherlands
  • Create a Visible Impact by working at scale in a global organisation
  • Learn and Grow with Us through our Learning & Development initiatives, which include clear development plans and mentorship programmes
  • A Culture of Connection defines us
  • Celebrate Life’s Moments with us at Catawiki
  • Receive a €100 Catavoucher when you join
  • On each birthday, you'll get a €50 Catavoucher
  • Enjoy an extra day off each year to "Pursue Your Passion"
  • Recognise significant work anniversaries (3, 5, 8, 10 years) with additional time off
  • Extra leave for life’s big moments like marriage, engagements, or moving house

Additional Information:

Job Posted:
December 07, 2025

Work Type:
Hybrid work
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