Senior ML Engineer — Remote, End-to-End Retrieval & Multimodal

Lever, Inc. is seeking a Senior Machine Learning Engineer for ML Recall based in Spain.

You will build and optimize retrieval systems for a multilingual, multi-domain ecommerce search engine with millisecond latency, end-to-end model ownership, and live traffic experimentation. You will work on dense and sparse retrieval, visual search, and multimodal capabilities, leveraging transformer models in a fully remote environment.