Matching Algorithm Engineer

📋 Description Build search-ranking, marketplace-matching, and dispatch models for a two-sided marketplace. Own learning-to-rank and retrieval/recall pipelines end to end. Improve marketplace conversion through relevance, matching, and recommendation models. Design and analyze experiments (A/B, switchback) to prove causal impact in a marketplace setting. Apply modern ML/LLM techniques to ranking and matching where they add lift. 🎯 Requirements 4+ years as ML Engineer/Applied Scientist on ranking, matching, dispatch, or recommendation. Direct work on two-sided marketplace matching/dispatch or search ranking with LTR/retrieval. Proven marketplace-conversion impact with measurable lift. Strong experimentation skills, incl. causal methods (switchback). Production ML at scale.