4 hours ago
Responsibilities
- Own the machine learning strategy, metrics, and execution for Coupang Eats Search retrieval, relevance, and conversion outcomes.
- Improve query intent and entity understanding, menu and restaurant representation, typo tolerance, synonym expansion, and query rewriting.
- Advance lexical, semantic, and hybrid retrieval through scalable, low-latency indexing, feature pipelines, and model lifecycle practices.
- Establish offline and online evaluation frameworks using human judgments, experiments, guardrail metrics, and diagnostics.
- Apply embeddings, transformers, and LLMs to query and menu understanding, candidate generation, labeling, evaluation, and defect analysis.
- Build reusable search capabilities while adapting language understanding, cuisine taxonomies, customer preferences, and marketplace signals across markets.
- Coach machine learning engineers and infrastructure engineers and collaborate with data analysts.
- Establish a multi-year roadmap and lead projects across machine learning and engineering.
Requirements
- 10+ years of experience in search, information retrieval, or natural language processing.
- 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 designing distributed, low-latency retrieval methods at scale with relevance guarantees.
- Master’s or Ph.D. in computer science or a related technical field.
- Preferred experience in food delivery, local commerce, e-commerce, or advertising.
- Preferred experience with hyperlocal and time-sensitive ranking using location, availability, delivery time, price, and promotion signals.
- Preferred multilingual or localized search experience across markets.
- Preferred practical experience applying embeddings, transformers, and LLMs with measurable impact.
- Publications in search, NLP, e-commerce, or advertising are preferred.
Categories
About Coupang
Coupang is a technology and Fortune 150 company listed on the New York Stock Exchange (NYSE: CPNG) that provides retail, restaurant delivery, video streaming, and fintech services to customers around the world under brands that include Coupang, Eats, Play, Rocket Now, and Farfetch.