Machine Learning Engineer

System1 Group PLC

London, England, United Kingdom Full-time July 21, 2026

Found Description

What will you be doing?

Build, train and evaluate machine learning models in PyTorch to solve prediction problems across our Ad, Brand and Innovation products.

Work with text, image and video data, applying the right approach, from classic ML through modern deep learning and LLMs.

Prepare and explore datasets, building the features and pipelines your models need to perform reliably.

Run rigorous experiments, measuring model quality with the right metrics and iterating quickly towards better results.

Partner closely with Product Managers, Data Scientists and Engineers to frame problems and turn model outputs into real product value.

Package and document your models so they can be handed cleanly to our engineering team for deployment.

Keep your work reproducible and well-documented so others can understand and build on it.

Stay curious about new tools and techniques, bringing w...

Submit your application for Machine Learning Engineer at System1 Group PLC