Staff~Sr.Staff Data Scientist (Coupang Eats)

About the Role

Coupang Eats는 단순한 분석을 넘어, 비즈니스 의사결정에 직접 영향을 미치는 시스템을 구축할 수 있는 Data Scientist를 찾고 있습니다.

이 역할에서는 대규모이면서 복잡한 데이터가 존재하는 marketplace 운영 전반의 실제 문제를 다루게 됩니다. 분석적 사고(analytical thinking), modeling, 그리고 production-ready 구현을 결합하여 이러한 문제들을 구조화된 해결책으로 전환하는 것이 주요 기대 역할입니다.

Why This Role

이 포지션은 문제 정의부터 실제 deployment까지 전 과정을 직접 주도하는 높은 ownership을 요구하는 hands-on 역할입니다.

한국과 일본 시장을 모두 다루며, **서로 다른 데이터 환경과 운영 조건 아래에서 유사한 문제를 해결하고, 이를 region 간 확장(scale)**하는 경험을 하게 됩니다.

업무의 비중은 다음과 같습니다:

• Scalable modeling 및 automation 시스템 구축 (~70%)
• Analytical exploration 및 insight 도출 (~30%)

이 포지션의 매력

• 빠르게 성장하는 경쟁 환경의 marketplace에 직접적인 impact
• 대규모·고복잡도의 real-world data 문제 해결 경험
• 높은 ownership과 production 적용 및 leadership team과의 직접 협업 기회

What You Will Work On

단순한 분석으로 해결되지 않는 문제를 다루며,

scalable system과 automated decision logic이 필요한 영역을 담당합니다.

Platform Coverage

• restaurant onboarding을 빠르게 지원하기 위한 image recognition 개발
• 마케팅 Target Segment 및 banner/creative 생성을 위한 AI 솔루션 개발

Data Automation at Scale

• 반복적인 manual process를 자동화된 pipeline으로 대체
• 비즈니스 의사결정에 활용되는 신뢰 가능한 dataset 생성 시스템 구축
• 최소한의 manual intervention으로 데이터 품질 및 coverage 개선

아래와 같은 의사결정을 직접적으로 지원합니다:

• pricing
• selection
• marketplace strategy

Operational & Optimization Problems

• delivery efficiency, ETA accuracy, marketplace balance 등 문제 해결
• 운영상의 문제를 data-driven solution으로 변환 후 deployment 및 iteration 수행
• 단순한 model 성능이 아니라 실제 비즈니스 outcome 개선에 집중

What You Will Do

• 모호한 비즈니스 문제를 구조화된 해결 가능한 형태로 분해
• data processing, modeling, system logic을 결합한 scalable solution 설계 및 구현
• 전체 lifecycle ownership
• problem definition → solution design → deployment → iteration
• production-ready code 작성 및 engineer와의 긴밀한 협업
• stakeholder와의 협업을 통해 비즈니스 목표와 alignment 확보

What We Are Looking For

Problem Solving & Ownership

• open-ended problem에 대해 비즈니스 요구사항을 분석하고 AI/ML 기법으로 해결할 수 있는 역량
• 불완전한 정보 속에서도 데이터 기반으로 의사결정을 내릴 수 있는 능력
• measurable impact를 만들어낸 실질적인 solution delivery 경험

Technical Strength

• Python 또는 SQL proficiency + vibe-coding 및 harness engineering 경험
• 대규모 데이터 환경에서의 data 및 AI workflow, AI agent 구축 경험
• modeling, algorithm, optimization 기법에 대한 이해
• clean하고 maintainable하며 production-quality code 작성 능력

Ways of Working

• 일회성 분석이 아니라 확장 가능한 solution 구축 중심의 사고방식
• 새로운 도구와 접근법을 빠르게 학습하는 learning agility
• 가장 복잡한 방법이 아니라 문제에 적합한 pragmatic approach을 선택하는 역량
• 영어 커뮤니케이션 가능자 우대

About the Role

Coupang Eats is looking for a Data Scientist who can go beyond analysis and build systems that directly influence business decisions at scale.

In this role, you will work on complex, real-world problems across marketplace operations, with huge amount of data having a lot of complexity. You will be expected to turn these challenges into structured solutions by combining analytical thinking, modeling, and production-ready implementations.

Why This Role

• This is a hands-on role with strong ownership — from framing problems to deploying solutions that drive measurable impact.
• You will work across Coupang Eats’ Korea and Japan markets, solving similar classes of problems under different data conditions and operational environments, and scaling solutions across regions.
• The role leans heavily toward building scalable modeling and automation systems (~70%), with a smaller portion focused on analytical exploration and insights (~30%).
• Direct impact on a fast-growing, highly competitive marketplace
• Opportunities to work on large-scale, complex, real-world data problems
• High ownership and ability to see your work used in production and direct interaction with leadership team in Coupang Eats.

What You Will Work On

You will work on problems where simple analysis is not sufficient, requiring scalable systems and automated decision logic.

Platform Coverage

• Developing image recognition to help our restaurant onboard to Coupang Eats quickly
• developing AI solutions to generate marketing targeting segments and even banners, creatives

Data Automation at Scale

• Replace manual processes with automated pipelines
• Build systems that generate reliable datasets used for business decisions
• Improve data quality and coverage with minimal manual intervention
• These systems directly power downstream decisions such as pricing, selection, and marketplace strategy

Operational & Optimization Problems

• Work on problems such as delivery efficiency, ETA accuracy, and marketplace balance
• Translate operational challenges into data-driven solutions that can be deployed and iterated on
• Focus on improving not just model performance, but real-world outcomes

What You Will Do

• Break down ambiguous business problems into structured, solvable components
• Design and implement scalable solutions combining data processing, modeling, and system logic
• Own the full lifecycle: problem definition → solution design → deployment → iteration
• Build production-ready code and collaborate closely with engineers
• Partner with stakeholders to ensure solutions are aligned with business goals

What We Are Looking For

Problem Solving & Ownership

• Strong ability to work through open-ended problems by analysing business requirements and applying AI/ML techniques
• Comfortable making decisions based on data and imperfect information
• Track record of delivering practical solutions with measurable impact

Technical Strength

• Proficiency in Python or SQL + vibe-coding and harness engineering.
• Experience working with large-scale data and building reliable data, AI workflows, AI agents.
• Familiarity with modeling, algorithms, or optimization techniques
• Ability to write clean, maintainable, and production-quality code

Ways of Working

• Focus on building solutions that scale rather than one-off analyses
• Strong learning agility — able to pick up new tools or approaches quickly
• Pragmatic mindset: choose the right approach for the problem, not just the most complex one
• English proficiency preferred

Recruitment Process and Others

Recruitment Process

• Application Review - SQL Live Coding Interview - Onsite (Zoom) 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.
• Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met.
• 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.

Privacy Notice

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

https://privacy.coupang.com/en/land/jobs/

Document Return Policy

• This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.
• 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.
• 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 (recruitingops@coupang.com). 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.
• 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.
• The above paragraphs 1 - 4 shall only apply when the labor-related laws of Korea govern the application. They are otherwise not applicable.

Equal Opportunities for All

• Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.