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About the Role
As a Staff Machine Learning Engineer, you will drive the design, development, and evolution of our end-to-end recommendation systems, placing AI/ML innovation at the core of our recommendation quality. This role encompasses the full lifecycle of recommendations from architecting sophisticated ranking, retrieval, and relevance models to scaling the robust systems that power Coupang’s recommendations. You will partner with global cross-functional teams to own the customer discovery journey, continuously elevating the user experience through rigorous experimentation and the deployment of high-impact algorithms. If you are passionate about leveraging massive, real-time datasets and millions of customer interactions to drive tangible business and customer impact, and you want to solve genuine customer challenges through innovative AI/ML technology, this role is a perfect match for you.
Responsibilities
- Strongly own the Recommendation service, one of the most critical for Coupang to make sure we are wowing customers constantly.
- Collaborate tightly with multiple global teams across the company to co-build a world class recommendation system
- Mine vast amount of data to gain insights from customer behavior
- Develop new Machine Learning models and features to create new recommendation algorithm or improve existing algorithms
- Create data jobs to generate Machine Learning features; build and train new models; run experiments to validate and launch new models
- Mentor and grow engineers across the teams.
Requirements
- Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics or closely related fields.
- Proven ability to derive actionable insights from complex datasets and solve business-critical problems using advanced AI/ML technologies.
- Demonstrated experience as a domain technical leader, driving collaboration across teams to deliver large-scale, high-impact solutions.
- 5+ years of professional experience in applied AI/ML with large-scale, complex datasets to extract robust features and create reliable machine learning models.
- Fast paced self-learner with proven track record of launching successful algorithms that drive measurable business impact.
- Professional proficiency in Python and/or Java with relevant industry experience.
- Excellent communication skills with professional proficiency in English.
Skills
- AI/ML
- Machine Learning
- Python
- Java
- Recommendation Systems
- Search Systems
- LLMs
- PLMs
- Embedding models
- AWS
- GCP
- Vertex AI
Location
- South Korea
Work Type
- Full-time
Experience Level
- 5+ years of professional experience
Education Level
- Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics or closely related fields.
- Ph.D. or Master degree in Computer Science, Electrical Engineering, Mathematics, Statistics or related science majors
About the Company
- We exist to wow our customers.
- Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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 entrepreneurs 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.
Equal Opportunity
- Coupang does not discriminate against disabled applicants or those with veteran status.
- We are proud to offer equal opportunities for all applicants.