Join Quora's distribution team to own and advance second-phase ranking models for feed and digest. Responsibilities include end-to-end ML system ownership (data pipelines, candidate extraction, feature engineering, model training, production integration) and collaborating with other ML engineers. Minimum: 3+ years experience on recommendation or ranking models, availability during Mon–Fri 9am–3pm Pacific Time. Preferred: strong Python or C++ experience, transformers/sequence modeling, and experience leading large projects.