Staff Machine Learning Engineer, App Ads Modeling

Description: Join Reddit’s Ads Ranking Org as a Staff-level Machine Learning Engineer to enhance ML-powered ad ranking systems. Focus on improving model architectures, contextual embeddings, and conversion-optimized modeling. Requirements: 7+ years of industry experience in applied ML roles. Strong experience with Deep Learning architectures and ML frameworks (TensorFlow, PyTorch). Background in recommendation systems, ads ranking, or similar domains. Experience with large-scale datasets and complex feature pipelines. Proven problem-solving and experimentation skills. Familiarity with state-of-the-art models for Ads or Recsys (e.g., Transformers). Track record of delivering high-impact models in production settings. Comfortable collaborating with infra and data teams. Benefits: 100% remote opportunity with hybrid/onsite options in NY, SF, LA, and Chicago. Comprehensive Healthcare Benefits and Income Replacement Programs. 401k with Employer Match. Global Benefit programs for lifestyle support, professional development, and caregiving. Family Planning Support and Gender-Affirming Care. Mental Health & Coaching Benefits. Flexible Vacation & Paid Volunteer Time Off. Generous Paid Parental Leave.