Coupang

Staff, Machine Learning Engineer (Search & Discovery)

Coupang
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2 days ago
Seoul, Korea, SouthStaff+

Responsibilities

  • Own the Recommendation service and help maintain a consistently high-quality customer discovery experience.
  • Collaborate with global teams to co-build a world-class recommendation system.
  • Analyze large-scale customer behavior data to derive actionable insights.
  • Develop machine learning models, features, and recommendation algorithms or improve existing algorithms.
  • Create data jobs for machine learning features, train models, run experiments, and launch new models.
  • Mentor and develop engineers across teams.

Requirements

  • Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a closely related field.
  • At least 5 years of professional applied AI/ML experience working with large-scale, complex datasets to create robust features and reliable machine learning models.
  • Demonstrated ability to derive actionable insights from complex datasets and solve business-critical problems using advanced AI/ML technologies.
  • Experience as a domain technical leader driving cross-team collaboration on large-scale, high-impact solutions.
  • Professional proficiency in Python and/or Java with relevant industry experience.
  • Professional proficiency in English and excellent communication skills.
  • Preferred: Ph.D. or master’s degree in a relevant technical or scientific field.
  • Preferred: experience with recommendation or search systems, LLMs, PLMs, embedding models, large-scale online serving systems, AWS, GCP, and Vertex AI.
Coupang

About Coupang

5,001-10,000 employees

Coupang builds and operates a South Korea–focused e-commerce marketplace with an end-to-end logistics network (Rocket Delivery), plus food delivery, video streaming, and fintech under brands such as Coupang, Eats, and Play. Revenue comes from first-party retail, third-party marketplace services, advertising, and memberships (Rocket WOW). Founded in 2010, the company is headquartered in Seattle and is publicly listed on the NYSE (CPNG).

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