Staff Machine Learning Engineer, App Ads Modeling

Reddit
United States
Workplace: RemoteFull timeUSD 230,000 - 322,000 annuallyFunction: Data Science & Machine LearningExperience: 7+ yearsSkills: ["Problem-solving","Experimentation","Mentoring","Collaboration"]

Design and train advanced machine learning models to power Reddit’s Ads Ranking, including deep neural networks and transformers. Build and optimize features such as embeddings, contextual signals, and cross-session behavior. Collaborate with product, infrastructure, and data teams to deploy models and analyze performance. Mentor other MLEs and shape long-term modeling strategy across domains like conversion and app ads.

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FursaFursa
Reddit
Reddit
1 day ago

Staff Machine Learning Engineer, App Ads Modeling

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 17 hours agoStatus: Live

Job Summary

Design and train advanced machine learning models to power Reddit’s Ads Ranking, including deep neural networks and transformers. Build and optimize features such as embeddings, contextual signals, and cross-session behavior. Collaborate with product, infrastructure, and data teams to deploy models and analyze performance. Mentor other MLEs and shape long-term modeling strategy across domains like conversion and app ads.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Sr. Director level

Key Responsibilities

  • •Design and train advanced ML models (e.g., DNNs, transformers) for Reddit Ads Ranking.
  • •Develop and optimize embeddings, contextual signals, and cross-session behavior features.
  • •Partner with product, infra, and data teams for end-to-end deployment and performance analysis.
  • •Mentor other MLEs and contribute to modeling best practices across the org.
  • •Shape long-term modeling vision across domains such as conversion, app ads, shopping, brand, and more.

Pay and Benefits

Salary: USD 230,000 - 322,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceDentalVision401kRemote WorkPaid LeavePaid Parental

Key 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 performance-driven domains.
  • •Experience with large-scale datasets and complex feature pipelines.
  • •Track record delivering high-impact models in production settings.
Experience:7+ yearsRecommendation systemsAds rankingMachine learningDeep learningRecommender systems
Skills:Problem-solvingExperimentationMentoringCollaboration
Tech Stack:TensorFlowPyTorch

Company Brief

Reddit
Operates Reddit, a large online community and discussion platform where users submit content, comment, and vote across topic-based communities (subreddits); monetizes via advertising, premium subscriptions, and awards.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2005
WebsiteLinkedIn