Senior Staff Staff Machine Learning Engineer

Company Introduction

We exist to wow our customers. We knowweredoing the right thing when we hear our customers say How did I ever live without Coupang Born out of an obsession to make shopping eating and living easier than ever we are collectively disrupting the multi-billion-dollar commerce industry from the ground up andestablishingan unparalleled reputation for being leading and reliable force in South Korean commerce.

We are proud to have the best of both worlds a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since ourinception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang you will see yourself your colleagues your team and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries ofwhatspossible to solve problems and break traditionaltradeoffs. Join Coupang now to create an epic experience in this always-on high-tech and hyper-connected world.

Role Overview

At Coupang we invest in providing the best product experience for our customers. The AI and Knowledge Engineering teams mission is to provide the best possible technical solution to achieve the optimal experience for our customers. We innovate and advance the space of Knowledge Graphs AI agents LLMs AIGC ML NLP CV and multi-modal models.

We are looking for engineers who want to work on cutting edge technology that is the intersection of Semantic knowledge bases AI agents NLP LLM AIGC ML and software engineering. Come join us to help create a world class team advancing the AI/NLP/AIGC/ML/LLM/RL/Knowledge Graph technologies.

What You Will Do

• Work on GenAI AIagentssystems to solve complex eCommerce scenarios.
• Develop large language and vision understanding/generationmodels for predictive and compound AI Models
• Train foundational models that can help with building learning systems.
• Define process and experiments for an E2E foundation model.
• Build E2E AI pipelines for storing/servicing foundational models.
• Mentor and guide team members on frameworks methodologies related to data lakes data normalization dimension reduction visualization statistical models.
• Ensure Model training is security compliance aware.
• Collaborate with cross-team members to understand the requirements ensuring the foundational models;knowledge captured aligns with the companys overall AI strategy.
  
  

Basic Qualifications

• 5 years ofdemonstrateddata science experience in building large scale foundational models for eCommerce scenarios.
• Expertise in large language model post-training and deployment.
• Deep understanding of AI/LLM/AIGC/ML architecture.
• Strong statistical/mathematical background in defining metrics learning functionsand result analysis.
• Significant experience in SQL Python PySparkScala and R
• Proficiency in PyTorch/TensorFlow Spark BigQuery
• Proficiency in AI coding Cursor/Windsurf/Claude Code/Codex.
• Experiencecreating complex data visualization toolsframeworksand techniques.
• Experience in dimension reduction in big data.
• Proficient in cloud analytical stacks Lakes warehouse ETL pipelines
• Experience with inference platforms in AWS Azureand other open-source platforms.
• Result-oriented with a bias towards customer obsession flexibility and impact.
• Strong written and verbal communication and teamwork skills
• Passion for Large language models NLP and Machine Learning at scale
• Education: B.S M.S in Computer science or Mathematics or related field

Recruitment Process

• Application Review -> Phone Interview -> Onsite (or Virtual Onsite) Interview > Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail addresssubmittedat the application stage.

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to havesubmittedfalse information as part of the application process.
• Those eligible for employment protection (recipients of veterans benefits the disabled etc.) may receive preferential treatment for employmentin accordance withapplicable laws.
• Job titles and responsibilities may be subject to change depending on the candidates overall experience etc. This will be communicated to the candidate at theappropriate timebefore the offer.
• Hiring may be restricted in case the legal qualificationsrequiredfor hiring and work performance is not met.

Privacy Notice

Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below.

Experience:

Staff IC