Principal Software Engineer (Search)

Website Coupang

Coupang is one of the largest and fastest growing e-commerce platforms on the planet. We are on a mission to revolutionize everyday lives for our customers, employees and partners. We solve problems no one has solved before to create a world where people ask, “How did we ever live without Coupang?”   

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

Job Overview: 

As a Principal Software Engineer working on development of core ranking algorithms and ranking signals to optimize the quality of search resultsYou have opportunity to work on full search retrieval and ranking technical stack, including query understanding, Machine Learning search ranking, big data analytics for data collection, modeling and optimization. All those have to be done in a scalable way to support online traffic at a large scale. 

 Key Responsibilities:  

  • Solve critical business problem by diving deep into Search Ranking, Query Understanding and Product Selection 
  • Build state of art Search Ranking Framework to support fast search ranking experiment 
  • Big Data Analytics supporting data collection, modeling, and optimization 

 Qualifications: 

  • Strong problem-solving ability 
  • Bachelor’s degree in Computer Science or Computer Engineering 
  • 6+ years of solid work with fundamental algorithms, system design, and large distributed systems 
  • 6+ years of coding experience with Object Oriented language, Java, Scala 
  • 2+ years of practical expertise in various disciplines of information retrieval, machine learning and natural language processing, such as text mining, classification, information extraction, feature engineering, ranking and search relevance 

 Preferred:  

  • Love to explore new territory of technology and go deep on domain knowledge 
  • Ability to think outside-the-box and challenge conventional wisdoms 
  • Experience with handling large data volumes in a distributed environment 
  • A passion to explore, improve, automate and optimize distributed systems and tools. 
  • Master’s Degree or PhD in Computer Science or related Engineering majors 
  • Bonus points for experience at ecommerce or SaaS companies 

Perks:

  • Autonomy to make decisions in a rapidly growing company
  • 15 days PTO + 15 national holidays off
  • 401K matching
  • Pre-IPO stock options
  • Mobile & fitness reimbursement
  • Flexible working hours
  • Catered Lunch

To apply for this job please visit rocketyourcareer.usa.coupang.com.