Senior Machine Learning Engineer - Fraud Detection

Job description

SENIOR MACHINE LEARNING ENGINEER: We are recruiting Senior Machine Learning Engineers to work on the development of a next-generation fraud detection platform for a major Payment Service Provider (PSP). The role combines production-grade machine learning engineering, advanced data analysis/statistics, and customer-facing technical collaboration. You will work closely with the client’s data, engineering, risk, and compliance teams to design, implement, deploy, and continuously improve real-time ML models operating in a highly regulated financial environment. We approach these problems as a team, meaning that you will have to be able to clearly explain your reasoning and code in order to engage the rest of us. This is a hands-on, forward-deployed role requiring both deep technical expertise and strong communication skills in English. Core Responsibilities: Design, train, evaluate, and deploy ML models for transaction-level fraud detection (primarily tabular data). Analyze large-scale transaction datasets to identify patterns, leakage, bias, and data quality issues. Build and maintain production ML services (real-time and batch). Implement robust ML pipelines, model monitoring, and ex...