Reddit, Inc. · 1 day ago
Senior Staff Machine Learning Engineer, Ads Targeting and Retrieval
Reddit, Inc. is a community-driven platform that fosters open and authentic conversations on the internet. They are seeking a Senior Staff Machine Learning Engineer to design and implement ML systems focused on improving targeting products for advertisers, leading projects that enhance contextual and behavioral targeting.
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Responsibilities
Own end-to-end design and execution of ML-based targeting products like auto targeting, user lookalikes etc
Drive research direction and technical roadmap for complex projects, lead day to day project execution, and contribute meaningfully to team vision and strategy
Be a thought leader for the team and collaborate closely with product managers and cross-functional partners to develop and prioritize the roadmap based on data analysis, industry research and product research
Research, implement, test, and launch new model architectures for retrieval using deep learning (GNNs, transformers, two tower models, LLMs) with a focus on improving advertiser outcomes
Provide mentorship to junior MLEs
Own offline & online experimentation of ML models for improving targeting products
Work on large scale data systems, and product integration
Collaborate closely with multiple stakeholders cross product, engineering, research and marketing
Qualification
Required
Tech lead experience in a product ML team driving the research and technical direction to improve business outcomes using applied ML
Experience with ads retrieval modeling, ranking or recommendation systems
Experience with deep learning models for retrieval (two tower, GNNs, transformers, LLMs)
8+ years of end-to-end experience of training, evaluating, testing, and deploying machine learning models
5+ years of experience building machine learning models with Tensorflow/Pytorch
Experience with large scale data processing & pipeline orchestration tools like Spark, Dataflow, Kubeflow, Airflow, BigQuery
Experience working with nearest-neighbor search systems is a big plus
Experience working with cross functional stakeholders across research, product & infrastructure to productize ML research
Preferred
Experience with deep learning, representation learning or transfer learning is preferred
Tech lead experience in a product team is strongly preferred
Benefits
Comprehensive Healthcare Benefits and Income Replacement Programs
401k with Employer Match
Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave
Company
Reddit, Inc.
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable.
H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (99)
2024 (63)
2023 (76)
2022 (70)
2021 (68)
2020 (39)
Funding
Current Stage
Public CompanyTotal Funding
$1.33BKey Investors
FidelityVy CapitalTencent
2024-03-21IPO
2021-08-12Series F· $410M
2021-02-08Series E· $367.95M
Recent News
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