About Us

LSEG (London Stock Exchange Group) is a diversified global financial markets infrastructure and data business committed to delivering open‑access services that enable customers to pursue their ambitions with confidence and clarity.

Role Summary

We are seeking a Principal Machine Learning Engineer (SageMaker, MLOps, Model Governance & Explainability) to provide technical leadership across the full lifecycle of machine learning systems powering a new matching platform. The role is accountable for defining ML architecture, establishing engineering standards, driving MLOps maturity, and ensuring that our models are scalable, secure, explainable, and governed to enterprise‑grade standards.

Key Responsibilities

Technical Leadership & Architecture

• Define the end‑to‑end ML architecture for the matching platform, including data pipelines, model training workflows, inference runtimes, and telemetry ecosystems.