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[L7] Sr.Staff, Back-end Engineer (Data Infrastructure)

Location Mountain View, USA


About us

The Data Infrastructure team in the Data Platform organization serves Hadoop clusters, DW, and Orchestration platforms across the entire business domain. The infrastructure managed by the Data Infrastructure team provides various data processing related to Coupang services, including log analysis, recommendation, price comparison, AB testing, search indexing, advertising, and rocket delivery. We are confident that we are playing a pivotal role in experiencing the best e-commerce for Coupang's customers.

The Data Infrastructure team simultaneously serves hundreds of Hadoop clusters in cloud environments and has the infrastructure and know-how to reliably scale to thousands of nodes. To this end, open sources such as Hadoop, Spark, Hive, Presto, Airflow, Oozie, Docker, Kubernetes, Ansible, Terraform, Packer, and Java and Python are used as development languages.

Our vision is to provide modern self-service tools to enhance engineering productivity, making it easy for anyone to utilize our data, and build a platform that is consistently scalable and reliable. We are looking for a software engineer who will create the most robust platform services at a global level beyond Korea!


With a high understanding of big data technology and skilled development capabilities, the Senior Staff Back-end Engineer performs the following tasks:

  • Provide a roadmap and vision for scalable and robust growth for your data infrastructure team
  • Collaborate with stakeholders and lead engineers on key mission-critical projects
  • Leading the design and deployment of big data infrastructure architectures
  • Hadoop and MPP Cluster Operations and Optimization
  • Self-service development to improve cluster operational efficiency and user experience
  • As a Backend Engineer, participate in business/technical improvement projects from a data platform perspective
  • Modern data engineering technology research and product development


  • Bachelor's degree or/and master's degree in computer science and equivalent majors
  • Proficient in at least one or more Java, Scala and Python
  • More than 15 years of experience in designing, developing, and maintaining large software infrastructures
  • Have expertise in distributed systems such as Hadoop and Spark
  • Great communication skills and fun to share your experiences and learning with your colleagues
  • People who try to automate without maintaining manual or repetitive tasks


  • Experience in designing and developing data pipelines in cloud environments like AWS


Pay & Benefits    

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.  

The base pay for this position ranges from $142,000/year in our lowest geographic market to $309,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.  

General Description of All Benefits    

  • Medical/Dental/Vision/Life, AD&D insurance   
  • Flexible Spending Accounts (FSA) & Health Savings Account (HSA)  
  • Long-term/Short-term Disability  
  • Employee Assistance Program (EAP) program  
  • 401K Plan with Company Match  
  • 18-21 days of the Paid Time Off (PTO) a year based on the tenure  
  • 12 Public Holidays  
  • Paid Parental leave  
  • Pre-tax commuter benefits  
  • MTV - [Free] Electric Car Charging Station   

General Description of Other Compensation   

 “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.  


Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.  As a condition of employment, Coupang requires employees to be fully vaccinated against Covid-19, subject to legally required accommodations. 

 If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at .