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Director, Ranking Engineering



Mountain View, CA, USA
Posted on Thursday, February 29, 2024

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we 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 e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant 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 our inception. We are all entrepreneurial 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 of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Role Overview

The Coupang Media Group (CMG) is responsible for providing vendors that sell their products on Coupang a host of marketing products and services. We launched Product Ads performance advertising marketplace late in 2018. We have grown rapidly our ads business in the past years from zero to multi-Billion business. Our group is responsible for advertising brands and products inside our e-commerce website. To get an idea of how valuable that is, both Alibaba and Amazon make more money on advertising than on selling products.

This role is for an engineering director, who will be leading the ranking team and reports to the head of ads quality. As our Engineering Director for our Ads Ranking team for Coupang Media Group, you will be responsible for driving the roadmap and execution of one of our core ranking teams in ads ecosystem.

What You Will Do

  • Define the long-term strategy and vision of the ads ranking models and oversee the design in conjunction with the engineering team
  • Recruit and coach individual contributors and managers across the ads org and develop that talent to create a world class engineering team
  • Manage and execute against project plans and deliver commitments
  • Work closely with the senior management team to ensure that development plans, resources, and strategies are coordinated across all departments in a cohesive and collaborative fashion
  • Lead your team to develop state-of-the-art (SOTA) Machine Learning models and features, applying rigorous offline and online testing methodology
  • Architect our machine learning platform at at internet scale
  • 10+ years experience working with large-scale, complex datasets to create and optimize machine learning models

Basic Qualifications

  • 3+ years management experience
  • Master's degree in Computer Science, Mathematics, or related science majors, Ph.D. strongly preferred
  • Track record of diving into data to discover hidden patterns and solving problems with data science
  • Deep knowledge in machine learning, deep learning, and statistical modeling
  • Excellent communicator, both to technical and business audiences
  • Fast paced self-learner with proven record of launching successful features and improving business metrics
  • Ability to work in multi-cultural, cross functional team

Preferred Qualifications

  • Hands on experience either directly training and applying Generative AI models / LLMs or working closely with your engineering team to do so
  • Experience with advertising systems/Search advertising/Advertising Marketplace
  • Experience working with AWS (Amazon web services)
  • Experience working in startups

Pay & Benefits

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.

The base pay for this position ranges from $159,000 / year in our lowest geographic market to $324,000 / year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits

  • Medical/Dental/Vision/Life, AD&D insurance
  • Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
  • Long-term/Short-term Disability
  • Employee Assistance Program (EAP) program
  • 401K Plan with Company Match
  • 18-21 days of the Paid Time Off (PTO) a year based on the tenure
  • 12 Public Holidays
  • Paid Parental leave
  • Pre-tax commuter benefits
  • MTV - [Free] Electric Car Charging Station

General Description of Other Compensation

“Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.

If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at