[S&D]Staff Ranking Engineer

[S&D]Staff Ranking Engineer

As a Search Ranking Engineer working on Search Quality and Personalization, you have the opportunity to work with world-class Software Engineers and Data Scientists who have worked for Google, Amazon, Pinterest, etc. You will define and solve hard problems to improve search quality, company-wide personalization experience and help us understand customer’s intention better. We aim at providing customers with a friction-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.

Location: Beijing

Job Responsibilities:

1. 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.
   
2. Design and deliver end-to-end product/solutions to help customers find useful products that best meet their needs faster and easier.
   
3. 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.
   
4. Design, debug and iterate on the experiment plans to improve the performance of the product/solution.
   
5. Develop and build knowledge database to support search quality improvement

Qualifications:

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

Preferred:

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