Senior Machine Learning Engineer, Ads Training Platform

About the Role

Join our team as a Senior Machine Learning Engineer to build and evolve the distributed training and data processing infrastructure powering Reddit's Ads machine learning models. This pivotal role directly enhances ad targeting and advertiser value by ensuring fast, reliable, and scalable model training.

Responsibilities

• Design, build, and maintain large-scale distributed training infrastructure for Ads ML models.
• Develop tools and frameworks on top of the Ray platform.
• Build tools to debug, profile, and tune distributed training jobs for performance and reliability.
• Integrate with object storage systems and improve data access patterns.
• Collaborate with ML engineers to improve model training time, efficiency, and GPU training costs.
• Drive improvements in scheduling, state management, and fault tolerance within the training platform.

Requirements

• Deep experience in infrastructure, distributed systems, and ML platform operations.
• Proven ability to design and build large-scale distributed training infrastructure.
• Experience with tools and frameworks for distributed ML, such as Ray.
• Familiarity with object storage systems and optimizing data access patterns.
• Strong collaboration skills to work effectively with ML engineers.

Location & Work Arrangement

This is a remote position open to candidates based in the United Kingdom or the Netherlands.