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Senior Machine Learning Engineer I // Senior Machine Learning Engineer II

A Master's Degree or PhD #LI-Hybrid💼 Full-time🗓 2026-09-28

Core

Build production ML models and risk management tools to minimize fraud exposure and reduce false positive declines for e-commerce businesses.

Role type

Senior IC machine learning engineer (fraud detection)

Builds

Production ML models and the Signifyd Commerce Protection Platform

Domain

E-commerce, fraud prevention, risk management

Deliverable

production ML models

Required skills

Python, PySpark, SQL, Linux command line, experimental design, statistical analysis, distributed data pipelines

Preferred skills

Fraud domain expertise, payments/e-commerce experience, well-tested production code, Master's/PhD

Technologies

Python, PySpark, SQL

Responsibilities

Research emerging fraud patterns in real-time, improve components of the Commerce Protection Platform, write production and offline code, collaborate with engineering teams to strengthen ML pipelines

Seniority

Senior, hands-on IC

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