Staff Backend Engineer

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.  

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.  

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. 

Role Overview

The Coupang Corner Stone team in application infrastructure organization, takes charge of company-wide transaction data storage and common data service layer to materialize e-commerce data for a low latency reading. The Storage and Tools team owns the storage services like Cassandra, Elastic Search, MySQL, Vitess and Clickhouse, providing storage as service through in-house hosted open-source technology. 

We are looking for software development engineers with Cassandra experience. As a Staff Engineer, you are the domain expert in Cassandra to handle on resolving the Cassandra usage problem, Cassandra performance optimization, Cassandra cluster setup, and Cassandra client SDK development. Besides that, you are the Go-To person when the domain team needs to make the storage solution chosen, and provide Cassandra based storage solution to meet business requirements. 

What You Will Do

• Hand on to develop the features to enhance the system availability, disaster recovery and performance enhancement 
• Dive deep into the system and fix complex technical problems. 
• Participate in the daily system operation to address system issues and answer the customer questions. 
• Identify the system reliability and performance issue and propose solutions applying best industry practice. 
• Work with the team manager to define the tech and project road map. 
• Collaborate with other Coupang tech teams to make the service extensible to support business growth 
• Drive communication up to Principal Engineer and Senior director level. 
• Advocate engineer excellence and operation excellence with the team 
• Hire and develop team members with knowledge sharing and high-quality interviews. 

Basic Qualifications

• Bachelor’s degree in computer science, Engineering, or related field 
• Master on Cassandra configuration, usage and operation 
• Familiar with AWS technology  
• Solid system and code debugging skills 
• Deep understanding in service availability, scalability, and latency. 
• Excellent communication skills in English including verbal and written 
• At least 6+ years working experience on software design & development experience on  
• distributed system and experience developing large scale enterprise

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 $138,000/year in our lowest geographic market to $297,000/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 Paid Holidays    

• XX weeks of 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 offered to the hired applicant in addition to their established  salary range or wage scale.

Recruitment Process and Others

Recruitment Process  

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer 

• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances. 

• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. 

Details to Consider 

• This job posting may be closed prior to the stated end date for application if all openings are filled. 

• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process. 

• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. 

Privacy Notice​ 

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/​ 

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 reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com.   

Requisition Job ID: R0056591