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.

Role Overview
CMG Measurement is a key team in the Ads Infrastructure organization. We build the big data platform that processes all the Coupang Ads data, which involves enrichment, aggregation, attribution, settlement, measurement and more.
We are looking for passionate backend software engineers to build large scale data processing systems that power our Ads business. Our mission is to design and build a scalable, extensible and resilient data processing infrastructure that powers our Ads business with big data and build scalable realtime services to serve the data.

Let's create a world in which customers ask “How did I ever live without Coupang?” together!

What You Will Do:

• Design and build large-scale data processing systems and infrastructure for Coupang Ads
• Understand Ads business logic and be able to translate it into distributed and efficient data processing models
• Contribute to the design and development of our next-generation data processing platform that can support our rapidly growing Ads business for the years to come

 
Basic Qualifications:

• Bachelor’s degree in Computer Science or Computer Engineering or electrical/electronic engineering, mathematics or equivalent
• 6+ years of solid work with fundamental algorithms, system design, and large distributed systems
• 6+ years of coding experience in one of the following: C++, Java, Scala
• Self-starter and innovator who likes to solve complex problems
• Proven track record of taking ownership and successfully delivering results
• Ability to clearly and concisely communicate with technical and non- technical stakeholders across all levels of the organization
• Ability to work in multi-cultural, cross functional team
• Experience building highly scalable systems in a fast paced, team-oriented environment

 
Preferred Qualifications:

• Experience with handling large data volumes in a distributed environment
• Ability and desire to drive solid design work on multi-threaded/multi-process, distributed system
• A passion to explore, improve, automate and optimize distributed systems and tools
• Ability to think outside-the-box and challenge conventional wisdoms
• Experience with advertising systems/Search advertising/Advertising Marketplace/Display advertising/Ad Server
• Experience working with AWS (Amazon web services)
• Experience working in startups
• Experience with Search Indexing, Elasticsearch
• Experience with Spark/Hbase/Hive/Kafka