Coupang is one of the largest and fastest growing e-commerce platforms on the planet. Our mission is to create a world in which Customers ask “How did I ever live without Coupang?” We are looking for passionate builders to help us get there. Powered by world-class technology and operations, we have set out to transform the end-to-end Customer experience -- from revolutionizing last-mile delivery to rethinking how Customers search and discover on a truly mobile-first platform. We have been named one of the “50 Smartest Companies in the World” by MIT Technology Review and “30 Global Game Changers” by Forbes.

Coupang is a global company with offices in Beijing, Los Angeles, Seattle, Seoul, Shanghai, and Silicon Valley.

Role Overview

As a Ranking Engineer working on Search Quality, you have the opportunity to work with world-class Search Engineers who have been worked for Google, Amazon, Pinterest, etc. You will define and solve hard problems to improve search quality, increase GMV, conversion rate, as well as understand customer’s intention better. We are desired to provide customer a friction-less search engine and help customer to find useful products. Your ideas and experience would help us achieve the goal.

What You Will Do

-Everyday query debug to dive deep into search results and understand defects and problems, based on which design experiments to improve search quality.

-Develop on different java based ranking frameworks efficiently and fast iterate experiments, using statistical or machine learning methods.

-Analyze search data/ customer feedback, to understand customer behavior, and design ranking algorithm to improve search metrics.

-Collaborate with different organizations, including PO and KM, to deliver search products.

Basic Qualifications

- Bachelor’s degree in Computer Science, Computer Engineering, or related majors

-5+ years of coding experience with Java

-2+ years of solid work with data structures, fundamental algorithms and system design

-Experience on big data platform and parallel computation, like Hadoop, Spark

-Ability to analyze, simplify and solve problems

Preferred Qualifications:

-Hands-on experience with Search Engine/Recommendation Systems

-Hands-on experience in statistical/machine learning modeling and implementation

-Good communication and team play

-Master’s or PhD degree in Computer Science or related Engineering majors

Privacy Notice (China) 

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


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