Staff Machine Learning Engineer, App Ads Modeling
R
Reddit, Inc.Ads Engineering
Remote - United StatesFull-TimeStaff
Salary$230,000 — $322,000 USD
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Job Details
- Experience
- 7+ years
- Required Skills
- Machine LearningPyTorchTensorflowDeep Learning
Requirements
- 7+ years of industry experience, including several years in applied ML roles
- Strong experience with Deep Learning architectures and ML frameworks (TensorFlow, PyTorch)
- Strong background in recommendation systems, ads ranking, or similar domains
- Experience working with large-scale datasets and complex feature pipelines
- Strong problem-solving and experimentation skills
- Expertise in State of the Art models for Ads or Recsys (e.g., Transformers)
- Knowledge about Recsys or Ads funnel
- Track record of delivering high-impact models in production settings
- Comfort collaborating with infra and data teams on feature serving and training pipelines
Responsibilities
- Design and train advanced ML models (e.g., DNNs, transformers) to power Reddit Ads Ranking
- Develop and optimize features including embeddings, contextual signals, and cross-session behavior
- Work closely with product, infra, and data teams to drive end-to-end model deployment and performance analysis
- Mentor other MLEs and contribute to modeling best practices across the org
- Shape the long-term modeling vision across one or more domains (conversion, app ads, shopping, brand, etc.)
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