Senior Data Scientist

We are looking for a Senior Data Scientist to join our mission to make our platform an even safer place to trade. You will be responsible for designing, building, and continuously enhancing production‑grade, end‑to‑end machine learning models that detect fraud and assess user risk in the Trust and Safety domain. You will be part of a cross‑functional business area composed of multiple teams including experts from Product, Customer Service, Analytics, Data and Engineering. Together, you’ll tackle one of the most meaningful challenges in online platforms: building trust at scale.

This is your opportunity to improve the experience of millions of users and have an impact by building a platform that enables sustainable trade for everyone.

Your role:

• Understand fraud patterns, user trust needs and identify where Machine Learning can bring the greatest impact.
• Train and evaluate ML models from scratch or fine‑tune existing ones for fraud...