Senior Machine Learning Engineer

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 121 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com.

Location: This role is based in the Netherlands. Don't live near our office? No worries: you can work remotely from anywhere in the Netherlands.

About the Team

The Ads Creative Effectiveness team is aimed at improving the impact of ad creative at Reddit through generative and predictive products. We adapt and finetune LLMs/VLMs to help advertisers make impactful images, videos, text and more. We build performance predictors to understand and rank ad components, ensuring the advertiser ships the best possible campaigns. We construct insight and recommendation engines to guide advertisers towards best practices and key enhancements, distilling knowledge about what works at Reddit to supercharge their performance.

About the Role

Reddit’s newly minted Ads Creative Effectiveness team sits at the heart of our creative strategy, building GenAI and predictive products that help advertisers ship high-impact campaigns. We are searching for a Sr. Machine Learning Engineer with in-depth modeling expertise that can help us build the future of generative products for ad creative at Reddit and develop predictive models for various scoring and ranking use cases.

Responsibilities

Creative Performance Modeling: Architect and implement state-of-the-art predictive models to forecast the effectiveness of ad creatives. You will move beyond basic metadata to build systems that analyze visual and textual features to predict "winning" assets before they spend a single dollar.

Production-Grade Scoring: Design low-latency inference stac