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Principle Software Engineer (Search Ranking)

Mountain View, California Job ID: 2261756

Overview

We are looking for people who are passionate about solving complex real-world problems, building world-class solutions, and benefitting millions of lives. At Coupang, developers learn from one another—we share knowledge and spur each other on to come up with great ideas—and move extremely fast to create profound impact together. You will also have the opportunity to tackle large-scale challenges that arise as we grow. This includes building in-house technology, innovating mobile architecture, and advancing possibilities with machine learning and deep learning. With you, we will build a world where our customers ask, “How did we ever live without Coupang?”

Success Profile

  • Team Player
  • Adaptable
  • Inventive
  • Self-starter
  • Problem Solver
  • Goal-oriented
  • Quick-thinking

Responsibilities

Job ID 2261756 Date posted  07/23/2020 Location Mountain View, United States

Do you want to join the world’s fastest growing e-Commerce company? Do you want to be part of the team that impacts tens of millions of online and mobile consumers? Coupang is the place! Coupang is the world’s fastest growing e-Commerce company and South Korea’s answer to Amazon. Coupang is currently valued at $5 billion. In only its fourth year, Coupang boasts over 20 million subscribers and annual revenue run rate over $2 billion. It is the #1 player in mobile e-commerce in Korea, which is a massive $50 billion market opportunity. 

Coupang’s goal is to provide a consistent shopping experience that blends both “discovery” and “intent” based shopping with superior product selection and customer service. We enable this via our innovative mobile application, optimized delivery network, as well as leveraging a highly scalable platform and best in class data analytics. 

About the role: 

You’ll be faced with unique challenges to scale we aim to grow to more than 55M+ users in Korea alone. You’ll also get to push the envelope of what’s possible with mobile commerce (currently over 75% of our sales are done on mobile)! Some Specific things you'll work on: 

  • Search core ranking algorithm and query understanding 
  • Big Data Analytics supporting data collection, modeling, and optimization 
  • Highly Scalable and Reliable services oriented architecture 

What we’re looking for: 

  • Master degree in Computer ScienceMathematics or related science majorsPh.D. strongly preferred 
  • Hands on experience with Machine Learning, especially experience with on search ranking, query understanding  
  • Have total years of experience of min 8+ years  
  • Proficiency in a major programming language, Java, Scala or Python similar 
  • Solid work with fundamental algorithms, system design, and large distributed systems 
  • 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 

Bonus points for: 

  • Major bonus points or deep knowledge about Solr/Lucene architecture design and performance tuning 
  • Experience with handling large data volumes in a distributed environment – ideally with both backend data processing and web tier data management 
  • A passion to explore, improve, automate and optimize distributed systems and tools. 
  • Ability to think outside-the-box and challenge conventional wisdoms 
  • Master's Degree or PhD in Computer Science or related Engineering majors 
  • Bonus points for experience at e-commerce or SaaS companies 

  

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Career Path

  • Senior Software Engineer
  • Software Engineering Manager
  • Technical Program Manager
  • Product Manager (Product Owner)
  • Tech Recruiter

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Benefits and Rewards

  • Flex Time

  • Open Culture

  • Team Outings

  • Collaboration

  • International Interaction

Our mission is global

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

Seoul, Korea

Our Korea office is located in downtown Seoul near Lotte World Hotel and Lotte World Mall.

Shanghai, China

Our office in Shanghai is conveniently situated near to restaurants and gyms, as well as to the Evergreen Hotel and the Chamtime Square Shopping Mall.

Beijing, China

Our Beijing office is located in One Indigo, a Grade A-listed office tower. From our space on the 12th floor, you can take in expansive views of Indigo Park, the Ba River and the Beijing skyline. We are conveniently situated a few steps away from the Indigo Shopping Mall, and parking is easily available.

Mountain View, United States

Our Mountain View office is located in the Silicon Valley area across from the NASA Ames Research and Visitor Center.

Seattle, United States

Our Seattle office can be found in the heart of downtown Seattle near restaurants and tourist attractions such as the Pike Place Market.

Los Angeles, United States

Our office in Los Angeles is located in the Riverside area right next to the Sycamore Canyon Wilderness Park.

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