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Principal Backend Engineer L6 - Pricing

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.

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:

  • Highly Scalable and Reliable services oriented architecture
  • Big Data Analytics supporting data collection, modeling, and optimization
  • Strategic domains such as mobile payments, pricing, search, personalization, and supply chain management.
  • Consumer driven web and native mobile interfaces and APIs.  

What we’re looking for:

  • Bachelors or above degree in Computer Science or related fields
  • 3+ years of experience with Java, SQL, Scala and ideally some Python
  • Good programming practices including solid object-oriented principles and design patterns
  • Proficiency with web and mobile technologies, such as AngularJS, Android, and HTML5.
  • Platform knowledge including MySQL, Hadoop, Spring, NodeJS, Git
  • Ability to deep dive into software requirements and to focus on delivering results
  • Maintain a sense of ownership and urgency across all responsible projects

Bonus points for:

  • Exposure in dynamic startup or startup like environments preferred
  • Major bonus points for experience at e-commerce or SaaS companies!
  • Ability to think outside-the-box and challenge conventional wisdoms
  • Experience with handling large data volumes in a Java server environment – ideally with both backend processing and web tier data management


  • Autonomy to make decisions in a rapidly growing company
  • Free medical, dental, and vision insurance
  • 15 days PTO + 12 national holidays off + 3 floating holidays
  • 401K matching
  • Pre-IPO stock options
  • Mobile & fitness reimbursement
  • Flexible working hours 
  • Catered lunch
It is the policy of Coupang Global LLC to afford equal opportunity for employment to all individuals regardless of race, color, age, national origin, physical or mental disability, history of disability, ancestry, citizenship status, political affiliation, religion, gender, transgender, gender identity, marital status, status as a parent, sexual orientation, veteran status, genetic information or other factors prohibited by law, and to prohibit harassment or retaliation based on any of these factors.
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