Principal Software Engineer (Search Ranking)Mountain View, California Job ID: 2242263
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?”
- Team Player
- Problem Solver
Coupang is reimagining the shopping experience with the goal of wowing each customer from the instant they open the Coupang app to the moment an order is delivered to their door.
Powered by an outstanding end-to-end e-commerce and logistics network and a fanatical culture of customer centricity, Coupang has broken tradeoffs around speed, selection and price. Today, we provide exceedingly fast shipping speeds on millions of items including fresh groceries, delivered within hours nationwide, 365 days a year.
We are doing this for millions of consumers in Korea. Korea is home to one of the largest and fastest growing e-commerce opportunities anywhere in the world.
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)!
What you will do
- Search core ranking algorithm and query understanding
- Big Data Analytics supporting data collection, modeling, and optimization
- Highly Scalable and Reliable services oriented architecture
- Master degree in Computer Science, Mathematics or related science majors, Ph.D. strongly preferred
- Hands on experience with Machine Learning, especially experience with on search ranking, query understanding
- Machine Learning plus Search experience is a must
- 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
- 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
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, or 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 firstname.lastname@example.org.
- Senior Software Engineer
- Software Engineering Manager
- Technical Program Manager
- Product Manager (Product Owner)
- Tech Recruiter
Benefits and Rewards
Our mission is global
Coupang is a global business with offices in Seoul, Shanghai, Beijing, Silicon Valley, Seattle and Los Angeles.
Our Korea office is located in downtown Seoul near Lotte World Hotel and Lotte World Mall.
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.
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.