Engineer

Job Description

Responsibilities

• Design, develop, and deploy machine learning models for fraud and AML detection, supporting both batch and real-time transaction scoring scenarios.
• Build and maintain MLOps pipelines covering model training, validation, deployment, monitoring, and retraining workflows using modern tooling (e.g. MLflow, Tecton, or equivalent feature stores).
• Collaborate with data engineers to design feature engineering pipelines and maintain the Predator feature dictionary and sync mechanisms.
• Optimise model performance to meet strict latency and TPS targets required for real-time fraud decisioning.
• Conduct model validation, A/B testing, permutation importance analysis, and champion/challenger evaluations to ensure model quality.
• Work with the Architecture Review Committee (ARC) to align ML platform choices with the overall modernization architecture.
• Stay current with advances in fraud detection ML — including graph-based models, anomaly detection, and generative AI applications — and propose relevant adoptions.
• Mentor junior team members and contribute to knowledge sharing across squads.

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