Machine Learning Engineer

Summary

Join Reddit's Ads Targeting team as a Senior Machine Learning Engineer and contribute to building best-in-class products for users and advertisers. You will own the end-to-end execution of ML-based targeting products, conduct offline and online experimentation, research and implement new model architectures, and drive technical roadmaps. This role requires extensive experience with deep learning models, ML frameworks, and large-scale data systems. Collaboration with cross-functional stakeholders is crucial. Reddit offers a comprehensive benefits package including healthcare, 401k match, generous parental leave, and flexible vacation time.

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 working with cross functional stakeholders across research, product & infrastructure to productize ML research

Responsibilities

• Own end-to-end execution of ML-based targeting products like smart targeting expansion, keyword targeting, auto targeting, user lookalikes etc
• Own offline & online experimentation of ML models for improving targeting products to drive advertiser outcomes
• Research, implement, test, and launch new model architectures for retrieval using deep learning (GNNs, transformers, two tower models) with a focus on improving advertiser outcomes
• Drive technical roadmaps and lead day to day project execution, and contribute meaningfully to team vision and strategy
• Work on large scale data systems, backend services and product integration
• Collaborate closely with multiple stakeholders cross product, engineering, research and marketing

Preferred Qualifications

• Knowledge of large scale search & recommender systems, or modern ads ranking/retrieval/targeting systems is preferred
• Experience with deep learning, representation learning or transfer learning is preferred

Benefits

• 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
• Medical, dental, and vision insurance
• 401(k) program with employer match
• Generous time off for vacation
• Parental leave