Hands-on senior individual contributor role to lead end-to-end development of production ML models (LTV, conversion propensity, lead scoring, recommendation/ranking) using Databricks and MLflow. Requires 5+ years experience, strong Python and SQL skills, familiarity with modern ML frameworks (scikit-learn, XGBoost, LightGBM, PyTorch, TensorFlow), and experience designing scalable batch and/or real-time inference systems. Role is remote and open to candidates anywhere in Canada except Quebec.

NerdWallet is hiring a Senior Data Scientist (Applied ML) to develop and deploy production-grade machine learning solutions (LTV, conversion propensity, lead scoring, recommendation/ranking) using Databricks and MLflow. The role requires 5+ years of experience, strong Python and SQL skills, hands-on Databricks/MLflow expertise, familiarity with modern ML frameworks (scikit-learn, XGBoost, LightGBM, PyTorch, TensorFlow), and experience designing scalable batch and/or real-time inference systems. This is a remote role for candidates based in the United States.

Senior software engineering role focused on designing, building, and operating production AI-enabled security workflows, RAG/semantic search, multi-agent systems, and backend Python services. Requires 3+ years building and operating production software, hands-on experience with LLM APIs/agents/RAG, distributed/cloud systems, and interest in application and AI security. Remote role based in the U.S.