Senior Staff, Machine Learning Engineer (Coupang Eats Search)

The role

You will lead machine learning innovations for retrieval and relevance for Coupang Eats Search. You will own the end-to-end stack including query understanding, candidate retrieval, and quality evaluation to improve customer discovery.

What you will do

• Own machine learning strategy, metrics, and execution for retrieval and conversion.
• Improve query intent, entity understanding, and menu representation.
• Advance lexical, semantic, and hybrid retrieval methods.
• Design scalable, low-latency retrieval strategies and feature pipelines.
• Establish a quality framework using offline evaluation and online experiments.
• Apply modern machine learning, embeddings, and LLMs to query and menu understanding.
• Build reusable capabilities while adapting to multi-market and localization needs.
• Coach machine learning engineers and infra engineers.

Required qualifications

• 10+ years in search, information retrieval, NLP
• Deep expertise in product understanding, retrieval, relevance, and modern LLM techniques.
• Proven delivery of large-scale consumer Search systems with measurable customer and business impact.
• Experience in designing retrieval methods for distributed, low-latency systems at scale with relevance guarantee.
• Masters or Ph.D. in Computer Science or related technical fields.

Nice to have

• Food delivery, local commerce, e-commerce, advertising experience.
• Hyperlocal, time-sensitive ranking using location, availability, delivery time, price, and promotion signals.
• Multilingual or localized Search experience across markets.
• Practical experience with embeddings, transformers, LLMs that delivered measurable impact.
• Publications in search, NLP, e-commerce, or advertising.

About the company

Coupang Eats is expanding services beyond food delivery into grocery and retail shopping. The company focuses on delivering a better customer experience through innovation across new services and categories.