About this role
Director, ML Research Science (Adtech / Recommender Systems) at Cognitiv. Location: San Mateo, California, United States. Role: leading team, driving research, improving models Requirements: Master's or PhD with 5+ years ML R&D experience, proven team leadership, 30–50% hands-on coding, deep expertise in PyTorch/transformers/LLMs, production deployment experience with distributed systems and cloud platforms. Category: Research and Development (R&D) Seniority: Senior Level Tools: Python, PyTorch, transformers, XGBoost, PCA, Spark, Hadoop, C++, AWS, GCP, Azure Commitment: Full Time Workplace: Hybrid Languages: English