Senior Staff Machine Learning Engineer (Ads Tech)

Coupanginternal
Mountain View, CA

Please complete the attached the Internal Transfer Request Form and submit it.
Please make sure you are applying with your Coupang e-mail address.

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 

 As our Staff Machine Learning Engineer for Coupang Ads Technology (Ads Tech) you will be responsible for developing, designing machine learning models, optimization algorithms and new product features for our advertising platform.   

The Coupang Ads Technology (Ads Tech) is responsible for providing vendors that sell their products on Coupang with a host of marketing products and services.  Our group is responsible for advertising brands and products inside our e-commerce website. 

This is an opportunity to be part of building up a new development organization with strong revenue potential inside a successful company. We’re building full-stack engineering teams to handle large scale advertising problems, including real-time behavioral targeting, auctioning and bidding systems and search-based advertising.  

In this role you will be responsible for innovating and building our new ad quality stack for our ads platform and eventually extend it into a full ad exchange, DSP, and SSP. 

What You Will do 


  • Design features and build large-scale machine learning models and systems to improve ad targeting, relevance, ranking, and engagement   

  • Develop new techniques for automated mechanisms, e.g. automated bidding, query expansion etc. for improving advertising platform efficiency

  • Develop new techniques for providing suggestions for advertisers to identify opportunities in the marketplace and improve their return on investments

  • Architect our machine learning platform at internet scale   

  • Effectively lead projects across teams and mentor the junior developers  

  • Work with product and sales teams to design and implement new ad product features   

Basic Qualifications


  • 10+ years of industry software engineering experience in machine learning, statistics, information retrieval   

  • Deep knowledge in machine learning, deep learning, and statistical modeling  

  • Excellent communicator, both to technical and business audiences  

  • Strong problem-solving skills  

  • Self -starter and innovator who likes to solve complex problems  

  • Proven track record of taking ownership and successfully delivering results  

  • Ability to deal with ambiguity in business and technology  

  • Ability to work in multi-cultural, cross functional team  

  • Bachelors’ degree in computer science, engineering, mathematics, physics, science or equivalent   

Preferred Qualifications


  • Experience working with AWS (Amazon web services)  

  • Experience with advertising systems/Search advertising/Advertising Marketplace   

  • 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.  As a condition of employment, Coupang requires employees to be fully vaccinated against Covid-19, subject to legally required accommodations. 

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

Please complete the attached the Internal Transfer Request Form and submit it.
Please make sure you are applying with your Coupang e-mail address.

Posted 2025-09-28

Recommended Jobs

Lead Engineer, Integrations

Sephora
San Francisco, CA

Sephora is seeking a Lead Engineer, Integrations to join its San Francisco team. This role involves leading the delivery of integration solutions across various platforms, collaborating with cross-fun…

View Details
Posted 2025-10-27

Customer Support Representative

Instep Enterprise
Ontario, CA

Our Customer Support Representatives are the driving force behind creating exceptional experiences and delivering unparalleled service to our valued customers. Known for their passion, dedication, an…

View Details
Posted 2025-09-22

Product Manager, App Store

Hippocratic Ai
Palo Alto, CA

About Us: Hippocratic AI has developed a safety-focused Large Language Model (LLM) for healthcare. The company believes that a safe LLM can dramatically improve healthcare accessibility and health…

View Details
Posted 2025-09-14

Payroll Supervisor/Administrator

Alameda Health Consortium/Community Health Center Network
San Leandro, CA

Job Description Job Description Organizational Description The Community Health Center Network (CHCN), sister organization to the Alameda Health Consortium, is made up of the eight federally qua…

View Details
Posted 2025-11-08

Oracle Alliance Driver Manager Save for Later Remove job

PwC
Los Angeles, CA

At PwC, our people in brand management, marketing and sales focus on collaboration to develop and execute strategic sales and marketing initiatives. These individuals focus on driving revenue growt…

View Details
Posted 2025-11-03

Discover Sonora: Your Next Adventure Awaits!

NurseRecruiter
Sonora, CA

Speech Therapist job in Sonora, CA Embark on a thrilling journey as a Speech Language Pathologist in sunny Sonora! Imagine healing hearts while exploring charming local cafés, breathtaking landscapes…

View Details
Posted 2025-07-30

Compliance Program Manager

Array Labs
Palo Alto, CA

Array Labs designs, builds and operates the world’s most advanced radar satellites – including the first satellites specifically designed for multistatic operation – enabling powerful new capabilitie…

View Details
Posted 2025-10-10

Senior Product Manager, API Collaboration

Postman
San Francisco, CA

The Opportunity With 30M+ users, Postman is the world’s foremost API management and collaboration platform. Postman is seeking a Senior Product Manager who will set the strategy and own…

View Details
Posted 2025-09-28

Senior Technical Accountant POST NUMBER: 442293

San Diego, CA

Title: Senior Technical Accountant Location: San Diego, CA – Hybrid Salary: $90K – $110K (DOE) Bonus  Job Description: Our client, a global leader in the technology industry based i…

View Details
Posted 2025-11-10

Nanny

GreatAuPair LLC
Van Nuys, CA

Get hired for Ahlat's nanny Job in Van Nuys, CA. Looking for a Nanny. Find nanny care work in Van Nuys.

View Details
Posted 2025-11-09