Demo

Senior Staff, Backend Engineer

Coupang
Seattle, WA Full Time
POSTED ON 11/18/2025
AVAILABLE BEFORE 12/18/2025

Company Description


We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we 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 at since our inception. We are all entrepreneurial 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.


Job Overview:

The Global Operation Technology (Global Operations Tech) is responsible for the system that enable Coupang to reliably fulfill customer orders in Fulfillment Centers within hours of order placement. The Global Ops Tech Organization is on a mission to innovate by building an efficient ecosystem that operates at breakthrough scale and speed.


The desired candidate will help lead Global Ops Tech Picking team build systems that drive the overall process and workflow of Coupang's fulfillment systems. This work will not only include designing and building world-class systems but also drive adoption of advanced technologies in terms of innovation and process optimization.


What you will do:

  • Serve as a technical lead on our most demanding, cross-functional projects involving Inventory and Promise.
  • Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines.
  • Navigate and alleviate technical obstacles and blockers at the organizational level.
  • Participate in the architecture, development, testing, deployment, and delivery of large-scale global software applications, systems, platforms, services, or technologies.
  • Write code when necessary to lead by example and help with high-priority projects.
  • Functionally decompose complex problems into simple, straightforward solutions, providing mechanisms for the teams to prioritize ruthlessly and “move with urgency.”


Basic Qualifications :

  • Bachelors in Computer Science or related degrees or equivalent work experience
  • 8 years of relevant work experience


Preferred Qualifications:

  • 10 years of experience working directly within engineering teams in a fast-moving environment.
  • 10 years of experience in developing and operating backend services and web applications for low latency servicing and messaging systems using complex event processing.
  • 10 years of experience architecting and designing (architecture, design patterns, reliability, and scaling) of new and current systems.
  • Experience building complex, high-performance, highly available distributed software systems successfully delivered to customers.
  • Experience in collaborating with cross-functional teams to define mission, vision, and roadmaps.
  • Experience partnering with product and program management teams.
  • Experience with Kafka, Stream Processing, Complex Event Processing, data synchronization between systems, low latency serving systems, and inventory management.
  • Experience in building strongly consistent and low latency data synchronization and processing systems.
  • Solid engineering skills as a lead engineer to coach and lead high-performing software engineers and keep them motivated.
  • Demonstrated leadership in a cross-functional, highly collaborative environment.
  • Track record of developing engineers through various career stages and building high-performance teams.


Pay & Benefits

Our compensation reflects the cost of living 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 $159,000/year in our lowest geographic market to $324,000year 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 (Drafter: Please check with your team if any change on the benefit description)

  • 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
  • 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.


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.

Req# R0063309

Salary : $159,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Staff, Backend Engineer?

Sign up to receive alerts about other jobs on the Senior Staff, Backend Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
Income Estimation: 
$151,448 - $188,145
Income Estimation: 
$203,425 - $249,816
Income Estimation: 
$213,375 - $267,876
Income Estimation: 
$190,687 - $235,769
Income Estimation: 
$85,996 - $102,718
Income Estimation: 
$111,859 - $131,446
Income Estimation: 
$110,457 - $133,106
Income Estimation: 
$105,809 - $128,724
Income Estimation: 
$122,763 - $145,698
Income Estimation: 
$105,809 - $128,724
Income Estimation: 
$136,611 - $163,397
Income Estimation: 
$135,163 - $163,519
Income Estimation: 
$131,953 - $159,624
Income Estimation: 
$150,859 - $181,127
Income Estimation: 
$131,953 - $159,624
Income Estimation: 
$169,825 - $204,021
Income Estimation: 
$166,631 - $195,636
Income Estimation: 
$162,237 - $199,353
Income Estimation: 
$181,083 - $218,117
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Coupang

Coupang
Hired Organization Address Seattle, WA Full Time
*note, location is flexible to Seattle or Mountain View We exist to wow our customers. We know we’re doing the right thi...
Coupang
Hired Organization Address Seattle, WA Full Time
Sr. Staff Software Engineer (Observability) Coupang Seattle, Washington, United States (Hybrid) We exist to wow our cust...
Coupang
Hired Organization Address Seattle, WA Full Time
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 ...
Coupang
Hired Organization Address Seattle, WA Full Time
*note this role can be located in either Seattle or Mountain View Company Introduction We exist to wow our customers. We...

Not the job you're looking for? Here are some other Senior Staff, Backend Engineer jobs in the Seattle, WA area that may be a better fit.

Senior Staff Backend Engineer

Coupang, Seattle, WA

AI Assistant is available now!

Feel free to start your new journey!