기본 콘텐츠로 건너뛰기

Senior Staff Machine Learning Engineer, Search Personalization

회사 소개

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 a Senior Staff Machine Learning Engineer in Search and Discovery, you will leverage the most advanced algorithms to improve Coupang’s product search and discovery quality, including query understanding, product understanding, user understanding, relevance modeling, candidate retrieval, and final stage ranking. You are expected to be a leading expert in one or multiple areas including information retrieval, recommendation systems, machine learning, deep learning or natural language processing. The ideal candidates are pragmatic, resourceful, and embrace challenges that are seemingly impossible. The ideal candidates also have rich industry experience and a track record of delivering highly impactful projects.
What You Will Do
  • Root causes the bottle neck of the current search and recommendation systems and quantifies the defects.
  • Propose solutions which address the search and discovery defects and leverage the state-of-the-art technologies, including ML, DL and large language model.
  • Implement the solutions and conduct AB tests.
  • Be a thought leader and able to gain consensus in the organization when needed.
Some example projects include:
  • We use Deep Learning-based conversion prediction model to predict the conversion rate given a query-item pair. Personalization is an important component for conversion prediction.
  • We use two tower models for learning query/item embeddings and use ANN for candidate retrieval.
  • We use BERT-based model to retrieve products, classify queries and extract entities from queries and products’ titles (Named Entity Recognition)
  • We use neural networks to evaluate the relevance of query-item pairs and train such models with millions of human labeled datasets.
  • We use graph algorithms to explore the latent relationships between queries and documents.
Basic Qualifications
  • 10+ years of experience in related fields including Search, Information Retrieval, RecSys, ML, DL or NLP.
  • Proficient coding skills in Java, C++ or Python
  • Problem solver, Pragmatic and Open-minded
  • Master Degree in Computer Science or related fields.
  • Experience with handling large data volumes in a distributed environment
Preferred Qualifications
  • Love to explore new territory of technology and go deep on domain knowledge.
  • Ability to think outside-the-box and challenge conventional wisdoms.
  • A passion to explore, improve, automate and optimize distributed systems and tools.
  • PhD in Computer Science or related Engineering majors
  • Bonus points for experience at ecommerce or social network or search companies
  • Bonus points for large language models and generative AI
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.

Recruitment Process and Others

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.
  • Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.

Privacy Notice​

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at [email protected].

Requisition Job ID: R0044532

쿠팡은 모두에게 공평한 기회를 제공합니다

쿠팡은 어느 누구에게나 열려 있는 회사입니다. 다양한 국가 출신 임직원이 함께 일하는 글로벌팀이 없었더라면 전례없는 성공을 이루기 어려웠을 겁니다.