Data Scientist - Fraud Detection

What you’ll do

• Design and improve fraud detection systems that prioritize high-risk claims, optimizing the trade-off between detection accuracy and operational efficiency
• Collaborate across teams and functions
  , working closely with fraud analysts, engineers, and product managers
• Develop deep expertise in fraud dynamics
  , identifying emerging fraud patterns, understanding how they evolve across the insurance lifecycle, and translating these insights into effective detection and prevention strategies, for example identifying suspicious networks of related claims, synthetic entities, or anomalous behavioral patterns

• Extensive experience (3+ years) in data science or applied machine learning, leading end-to-end initiatives in complex technical domains and delivering measurable business impact
• Strong analytical and quantitative mindset able to translate data into insights, assess model performance, and guide decision-making with evidence and clarity
• Structured problem solver skilled at framing ambiguous challenges, defining success metrics, and communicating results to both technical and non-technical audiences
• Strong Python programming skills
  , especially in the data domain, and fluent use of Git
• Knowledge of
  Spark
  , SQL or any other data-oriented programming language and proficiency with standard data wrangling and modeling libraries (Pandas, Sklearn, Keras, XGBoost, Light
  
  GBM, etc.)

• Experience in analytical fraud detection in the Insurance, Finance or Law Enforcement domain
• In-depth knowledge of graph databases (Neo4j, AWS Neptune) and analytics (Network
  
  X, GNN) or explainability applied to anomaly detection
• Knowledge of BI tools (Tableau or similar)

• Enjoy hybrid working, with a mix of home and office days. Plus, for up to 30 days per year, work from anywhere.
• Get access to learning resources, mentorship and a growth plan tailored to you.
• Enjoy private healthcare, gym discounts, wellbeing programs and mental health support.

Prima is proud to be an equal opportunity employer. Need accommodations during the process? Email us ruiting.