Senior Machine Learning Engineer

Reddit
United States
Workplace: RemoteFull timeFunction: Data Science & Machine LearningExperience: 3-5 yearsSkills: ["Communication","Problem-solving","Teamwork"]

Join Reddit’s Ads ML Platform as a Senior Machine Learning Engineer, driving end-to-end ML systems for ad ranking, bidding, measurement, and optimization. You’ll own the ML lifecycle from research to production, collaborate with product managers, data scientists and engineers, and work across multiple ads teams to deliver high-impact KPI improvements at scale.

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FursaFursa
Reddit
Reddit
1 year ago

Senior Machine Learning Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 22 minutes agoStatus: Live

Job Summary

Join Reddit’s Ads ML Platform as a Senior Machine Learning Engineer, driving end-to-end ML systems for ad ranking, bidding, measurement, and optimization. You’ll own the ML lifecycle from research to production, collaborate with product managers, data scientists and engineers, and work across multiple ads teams to deliver high-impact KPI improvements at scale.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Design, build, and deploy industrial-level machine learning models to solve critical problems in ad ranking, bidding, and optimization.
  • •Take full ownership of the ML lifecycle, from ideation and research to building scalable serving systems and maintaining models in production.
  • •Perform systematic feature engineering to transform raw, diverse data into high-quality features that drive model performance.
  • •Work closely with product managers, data scientists, and engineers to translate business challenges into effective ML solutions.
  • •Improve the reliability and stability of our ML systems by building robust monitoring, alerting, and automated retraining pipelines.

Pay and Benefits

Perks:Health Insurance401kParental LeavePaid LeaveCaregiving Support

Key Requirements

  • •3-5+ years of end-to-end experience in training, evaluating, and deploying machine learning models in a production environment.
  • •Proficient in one or more general-purpose programming languages (e.g., Python, Scala) and have a solid understanding of software development best practices.
  • •Hands-on experience with a major machine learning framework (e.g., TensorFlow, PyTorch) and a deep understanding of core ML concepts and algorithms.
  • •Proven ability to work effectively with cross-functional teams, including product managers and data scientists, to translate business needs into technical solutions.
  • •Track record of using machine learning to drive KPI wins and solve complex, real-world problems.
Experience:3-5 yearsAdsMachine learningAdvertising
Skills:CommunicationProblem-solvingTeamwork
Languages:English
Tech Stack:PythonScalaTensorFlowPyTorchSparkKafka

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