Machine Learning Engineer

Job Summary

A company is looking for a Machine Learning Engineer to own the search and retrieval systems for their AI shopping agent.

Key Responsibilities

• Own and evolve the hybrid search pipeline, including various retrieval and ranking methods
• Build and train adaptive retrieval models to configure search behavior based on context
• Design and productionize the learning-to-rank system, integrating behavioral signals into ranking

Required Qualifications

• 5-8+ years of experience in building and shipping search, retrieval, or ranking systems in production
• Strong experience with Elasticsearch or similar search engines
• Hands-on experience with learning-to-rank methodologies like LightGBM or XGBoost
• Strong Python skills and software engineering fundamentals
• Experience with embeddings and vector search techniques