CareerPlan

Lead Data Scientist - Scams Prevention

London, gbFull-time2026-10-13 → 2026-11-10

Core

Lead a team to build and deploy machine learning models that detect and prevent account takeover (ATO) and send scam fraud on a global money transfer platform.

Role type

Senior IC Lead Data Scientist (Fraud Prevention)

Builds

Production ML models for real-time fraud detection and prevention

Domain

FinTech / Cybersecurity / Fraud Prevention

Deliverable

production ML models

Required skills

Machine learning model development, Python, large-scale data processing (Hadoop, Spark, SQL), anomaly detection, supervised/unsupervised learning, deep learning, graph-based solutions, statistical analysis, code review, experiment design

Preferred skills

Mentorship, cross-functional collaboration, event log mining, gradient boosting, neural networks, regression, autoencoders, clustering

Technologies

Python, R, Hadoop, Spark, SQL, Git, GitHub, Java

Responsibilities

Lead development of ML models for ATO and Send Scam detection; Analyze large datasets to identify fraud patterns; Design and implement experiments to evaluate fraud systems; Collaborate with security and engineering teams; Develop data pipelines for real-time detection; Mentor junior data scientists

Seniority

Senior, hands-on IC with leadership responsibilities