Principal Data Analyst L6-2 (Retail Inventory)

Company Introduction

We exist to wow our customers. We know we’re doing 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’re collectively disrupting the multi-billion-dollar commerce industry.

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 our inception. Our mission to build the future of commerce is real, and we push the boundaries of what’s possible. Join Coupang now to create an epic impact in this always-on, high-tech, and hyper-connected world.

About the Role

The Retail Inventory organization is the nerve center for Coupang's entire product selection. Our team manages the end-to-end lifecycle of tens of millions of items, balancing a multi-billion-dollar budget and complex operational constraints. We optimize everything from Inbound planning and vendor rebates, to protecting Inventory Health, to managing the economic strategies for Aged Inventory Clearance.

Are you excited by the challenge of building intelligent models that decide how to price distressed inventory, optimize stock levels across millions of items, or maximize complex vendor rebate structures?

This is not a typical analytics role. We are looking for a Principal Data Analyst to act as a strategic innovation partner for the entire Retail Inventory organization. Based in Seoul, you will be a remote member of our core strategy team in Seoul. Your mission is to leverage your deep expertise in analytics, data science, and e-commerce to design, build, and deploy solutions that solve our most complex business problems.

You will move beyond dashboards and reporting to create scalable, automated models and algorithms that directly impact profitability, working capital, and customer experience. We are looking for a builder with a strong commercial mindset, who has experience in the "Category Analytics" space and is passionate about applying advanced analytical methods to drive real-world business results.

What You Will Do

• Design, build, and deploy price elasticity models to optimize the sell-through and recovery value of identified cohort of SKUs.
• Collaborate with Marketing and CX teams to drive better views and conversion for identified set of SKUs, collaborate to create specific campaigns
• Develop and implement advanced optimization logic for Days of Cover (DOC) targets, balancing the trade-offs between out-of-stock risk, working capital, and operational capacity.
• Partner with our Rebates lead to model and simulate complex, multi-tier vendor contracts, building algorithms to identify the optimal purchase quantities that maximize rebate earnings while controlling overstock risk.
• Create and test automated discount algorithms for near-expiry or slow-moving products to maximize sales velocity and minimize financial loss.
• Act as a key thought leader, proactively identifying and modeling new opportunities for data science and algorithmic solutions to drive efficiency across the entire inventory lifecycle.
• Collaborate closely with senior leadership and functional experts in Inbound, Inventory Health, and Clearance to define problem statements, build solutions, and present clear, actionable recommendations.
• Translate complex models and quantitative insights into clear, concise business-facing narratives for stakeholders in finance, operations, and retail.

Basic Qualifications

• 8-10 years of experience in a "Category Analytics," "Decision Science," "Business Analytics," or "Data Science" role, preferably within an e-commerce, retail, or tech startup environment.
• Bachelor’s degree in a quantitative field (e.g., Computer Science, Engineering, Statistics, Economics, Mathematics) or equivalent practical experience.
• Expert proficiency in SQL and Python for data manipulation, modeling, and analysis.
• Proven experience applying statistical, machine learning, or optimization models to solve real-world business problems (e.g., pricing, forecasting, inventory optimization, or commercial analytics).
• Strong business acumen and a commercial mindset; you are passionate about understanding how a business runs and using data to drive tangible results.
• Excellent communication skills, with the ability to explain complex models and analyses to non-technical audiences.
• A proactive, self-starting mentality, with the ability to manage projects from conception to completion in a fast-paced, remote-first (with the core team) environment.

Preferred Qualifications

• Engineering, Master’s or PhD in a quantitative field.
• Experience with data pipeline tools (e.g., Airflow) and large-scale data environments (e.g., Redshift, Hive, Spark).
• Experience with data visualization tools (Tableau, Power BI) for communicating insights.
• Deep understanding of supply chain, inventory management, or retail finance concepts.

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 address submitted at 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 have submitted false information as part of the application process.  
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.  
• Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer.  
• Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met.  
• (Recruiter Note: add in the case of full-time regulars) This is a full-time regular position and includes 12 weeks of probation period; provided, however, the probationary period may be either skipped, shortened or extended if necessary for business purposes. 
• (Recruiter Note: add if probation period is applicable, for example in the case of contract position of 3 months or longer) This is a contract position and includes 12 weeks of probation period; provided, however, the probationary period may be either skipped, shortened or extended if necessary for business purposes. 

Privacy Notice  

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

https://www.coupang.jobs/en/privacy-policy 

Document Return Policy (This notice MUST be included in a job posting in Korea only to comply with the Fair Hiring Procedure Act.)  

1. This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.  

1. A job applicant, who has applied but not been finally selected for a position at Coupang (the “Company”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act. However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company. In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant.  

1. A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit It by email ([email protected]). In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail. Please be informed that the job applicant is required to pay the postage on the registered mail.  

1. In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process. If no request is made until the end of this period, all his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act.  

1. The above paragraphs 1 - 4 shall only apply when the labor-related laws of Korea govern the application. They are otherwise not applicable.