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Fraud Data Analyst

Barcelona, Spain💼 Full-time🗓 2026-05-12 → 2026-09-26

Core

Architect real-time defense strategies for digital payments by combining ML scores with velocity features to prevent fraud.

Role type

Senior IC fraud data analyst (payments/risk)

Builds

Real-time decisioning engine, fraud mitigation rules, dynamic friction strategies

Domain

Fintech, digital payments, fraud prevention

Deliverable

production ML models | product features

Required skills

SQL, Python, payment fraud dynamics, real-time decisioning environments

Preferred skills

Machine Learning, Data Science, PySpark, GraphQL

Responsibilities

Design and deploy logic for real-time decisioning engine; Translate complex fraud patterns into high-performing rules; Hunt for emerging fraud schemes and create mitigation strategies; Partner with Product and Engineering on analytical requirements; Calibrate ML models with heuristic rules; Analyze security measures to optimize user experience; Monitor rule efficacy and present data-driven recommendations to leadership

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