Senior Machine Learning Engineer

Please complete the attached Internal Transfer Request Form and submit.   

Please make sure to apply with your Coupang e-mail address.   

Company Introduction  

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 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. 

Role Overview  

As a Search Ranking Engineer working on Search Quality and PersonalizaHon, you have the opportunity to work with world-class SoSware Engineers and Data ScienHsts who have worked for Google, Amazon, Pinterest, etc. You will define and solve hard problems to improve search quality, company-wide personalizaHon experience and help us understand customer's intenHon beYer. We aim at providing customers with a fricHon-less shopping experience and help customers find useful products that best meet their needs. Your professional skills and experience would help us achieve the goal.

What You Will Do  

• Find headroom for improvement in search stack as well as company-wide personalization experience outside of search (e.g. recommendation, ads, etc), to improve search retrieval and ranking quality, to improve user conversion rate, with query debugging, machine learning, NLP and deep learning techniques.
• Design and deliver end-to-end product/solutions to help customers find useful products that best meet their needs faster and easier.
• Design and build customer understanding signals that capture customer's behavior patterns and shopping preferences, that can be shared across multiple product areas to help improve the customer experience at Coupang.
• Design, debug and iterate on the experiment plans to improve the performance of the product/solution.
• Develop and build knowledge database to support search quality improvement

Basic Qualifications  

• Bachelor's degree in Computer Science, Computer Engineering, or related majors
• 6+ years of solid work with machine learning, data structures, fundamental algorithms and system design
• At least 2 years hands-on experience with Information Retrieval/Search/Recommendation Systems

Preferred Qualifications  

• Experience on deep learning/NLP
• Strong understanding of e-commerce and search/recommendation systems.
• Ability to identify headroom and opportunities in the system, analyze, simplify and solve problems
• Passion of defining and developing a revolutionary search engine
• Self-motivated, with good communication skills and team play
• Master's or PhD degree in Computer Science or related Engineering majors

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.
• Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. 

Privacy Notice​ 

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

Please complete the attached Internal Transfer Request Form and submit.   

Please make sure to apply with your Coupang e-mail address.