Machine Learning Engineer (Eats Search and Discovery)
Core
Design, develop, operate, and improve the search system for Coupang Eats, focusing on food delivery and quick commerce in Korea and Japan.
Role type
Machine Learning Engineer (Search)
Builds
Search funnel components including retrieval, relevance, query understanding, intent expression, and ranking for food and store discovery.
Domain
Food delivery and quick commerce (retail)
Deliverable
production ML models
Required skills
Machine learning model design and maintenance, LLM research and tuning, large-scale data analysis, A/B test design and analysis, system scalability management, cross-functional collaboration
Preferred skills
Deep learning expertise, experience with search algorithms, ability to balance quality, stability, and scalability
Technologies
LLMs, deep learning frameworks, search infrastructure
Responsibilities
Design and develop the Coupang Eats search system; Build and apply ML models for the search funnel; Research and tune LLM-based models for search quality; Derive meaningful features from large-scale data to improve model performance; Design and analyze online experiments (e.g., A/B tests); Solve search-related problems across various business areas in Korea and Japan; Maintain balance between search quality, system stability, and scalability; Collaborate with engineering, product, and business organizations.
