Staff ML Engineer: App Ads Modeling (Remote)

Reddit, Inc.; Northern (KY); Hybrid; USD 230,000 - 322,000; Full time

Benefits offered by this job

Healthcare benefits

Income replacement programs

401k with employer match

Global benefit programs

Family planning support

Mental health & coaching benefits

Job summary

Reddit, Inc. is seeking a Staff-level Machine Learning Engineer to advance its App Ads Modeling within the Ads Ranking org. The role emphasizes end-to-end modeling, embeddings, and contextual signals to improve conversion and app ads performance.

Ideal candidates bring 7+ years in ML, deep learning proficiency (TensorFlow, PyTorch), and a track record in recommender systems or ads ranking. This is a 100% remote US opportunity with comprehensive benefits and equity potential.

Qualifications

• 7+ years of industry experience in applied ML roles.
• Strong experience with deep learning architectures and frameworks (TensorFlow, PyTorch).
• Background in recommendation systems, ads ranking, or similar domains.
• Experience working with large-scale datasets and complex feature pipelines.
• Proven track record of delivering high-impact models in production.

Responsibilities

• Design and train advanced ML models (e.g., DNNs, transformers) to power Reddit Ads Ranking.
• Develop and optimize features including embeddings and contextual signals.
• Collaborate with product, infra, and data teams for end-to-end deployment and evaluation.
• Mentor other MLEs and contribute to modeling best practices.
• Shape long-term modeling vision across domains such as conversion and app ads.

Skills

End-to-end ML

Deep learning

TensorFlow

PyTorch

Recsys experience

Tools

Transformers

Spark

Job description

Reddit, Inc. is seeking a Staff-level Machine Learning Engineer to advance its App Ads Modeling within the Ads Ranking org. The role emphasizes end-to-end modeling, embeddings, and contextual signals to improve conversion and app ads performance.

Ideal candidates bring 7+ years in ML, deep learning proficiency (TensorFlow, PyTorch), and a track record in recommender systems or ads ranking. This is a 100% remote US opportunity with comprehensive benefits and equity potential.