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Senior Machine Learning Engineer, App Ads

Reddit

$216,700 - $303,400
Aug 13, 2025
Remote, US
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Reddit is looking to optimize advertising effectiveness and drive business growth by developing and maintaining Machine Learning models for user conversion predictions.

Requirements

  • 2+ years of experience with industry-level deep learning models.
  • 2+ years of experience with mainstream ML frameworks (such as Tensorflow and Pytorch).
  • 3+ years of end-to-end experience of training, evaluating, testing, and deploying industry-level models.
  • 3+ years of experience of orchestrating complicated data generation pipelines on large-scale datasets.
  • Experience with ads domain and conversion modeling is a plus.
  • Experience with recommendation systems is a plus.

Responsibilities

  • Develop advanced and scalable deep learning models using cutting-edge techniques for critical machine learning tasks within the app conversions modeling domain.
  • Design and implement innovative strategies for signal loss mitigation, ensuring the accuracy and reliability of predictions in the presence of incomplete or noisy data.
  • Research, implement, test, and launch new model architectures including deep neural networks with advanced pooling and feature interaction architectures.
  • Systematic feature engineering works to convert all kinds of raw data in Reddit (dense & sparse, behavior & content, etc) into features with various FE technologies such as aggregation, embedding, sub models, etc.

Other

  • Be a mentor and cross-functional advocate for the team.
  • Contribute meaningfully to team strategy. We give everyone a seat at the table and encourage active participation in planning for the future!
  • Reddit is continuing to grow our teams with the best talent.
  • We're completely remote friendly and will continue to be after the pandemic.
  • As a diverse group of software engineers, product managers, data scientists, and ads experts, we are excited for you to join our team!
  • Comprehensive Healthcare Benefits and Income Replacement Programs
  • 401k Match
  • Family Planning Support
  • Gender-Affirming Care
  • Mental Health & Coaching Benefits
  • Flexible Vacation & Reddit Global Days off
  • Generous paid Parental Leave
  • Paid Volunteer time off
  • Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve.
  • Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures.
  • If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.