Senior Machine Learning Engineer

We are seeking a motivated Senior Machine Learning Engineer to design, build, deploy, and own production ML systems that power core parts of beehiiv’s ad network, content intelligence, and growth ecosystem.

Requirements

• 4–7+ years building ML systems end-to-end in production
• Deep experience with Python and common ML Libraries (pandas, NumPy, PyTorch, XGBoost, scikit-learn)
• Strong understanding of supervised learning, ranking models, anomaly detection, embeddings, optimization, and feature engineering
• Strong SQL and performance instincts (ClickHouse experience a huge plus)
• Ability to analyze extremely large datasets (potentially billions of events) efficiently
• Practical knowledge of statistics, experimental design, and investigative analytics
• Knowledge of the NLP ecosystem (Huggingface, SentenceTransformers, etc) and underlining Transformers architecture
• Familiarity with Airflow or similar orchestration tools

Benefits

• Competitive salary
• Stock Options
• Health, Dental, and Vision Insurance
• 401(k) employer match
• Unlimited PTO (mandatory 10 days per year minimum)
• Annual in-person team retreat
• Unlimited book budget
• Monthly Wellness Days (every third Friday of the month)