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Senior Staff Machine Learning Engineer, Ads Targeting at Reddit . Location Information: United States. The front page of the internet," Reddit brings over 430 million people together each month through their common interests, inviting them to share, vote, comment, and create across thousands of communities. Come for the cats, stay for the empathy.. 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. 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. Experience with deep learning, representation learning or transfer learning is preferred. Tech lead experience in a product team is strongly preferred. Pay range:. $266K - $372K. 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