Staff Software Engineer, Coupang Media Group

Socket.dev

Seattle (WA)

On-site

USD 164,000 - 282,000

Full time

9 days ago

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Benefits offered by this job

Annual bonus 0-20% of base salary

Medical/Dental/Vision/Life insurance

401K Plan with Company Match

PTO 18-21 days/year

Job summary

Coupang is seeking a backend engineering expert to build the data engine behind Coupang Ads and other media revenue sources. You will develop scalable, low-latency infrastructure to convert massive data streams into real-time business impact.

Join a high-concurrency environment focused on self-service data platforms, bridging business and technical goals while delivering reliable, distributed systems at scale.

Qualifications

Bachelor's degree in CS/EE/Math or related field.
6+ years backend development experience.
Experience with AWS.
Experience building highly available distributed systems.
Proven ownership and delivery track record.
Experience building ads serving systems.
Strong communication across technical and non-technical stakeholders.
Experience leading cross-functional teams.
Proficiency in Java and Spring Frameworks.

Responsibilities

Architect and scale high-throughput data processing pipelines and serving infrastructure for real-time ad delivery.
Engineer a next-generation data platform with self-service capabilities for production deployments.
Bridge business strategy and technical execution, translating ads logic into distributed system architectures.
Design and implement scalable workflow infrastructure using Temporal and Netflix Conductor.
Benchmark platform performance, collect metrics, and publish reports.
Ensure platform reliability with monitoring and alerting for high availability.
Estimate capacity and provision clusters for diverse customer workloads.
Monitor production systems, address incidents, and driveoperational improvements.
Contribute to open-source platform components and codebases.
Collaborate with cross-functional teams to ensure extensibility and innovation.

Skills

Backend development

AWS

Distributed systems

Java

Spring Framework

System design

Communication

Leadership

Ad tech

Ownership

Education

Bachelors in CS/EE/Math

Tools

Temporal

Netflix Conductor

Job description

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:

Coupang Media team is a key team in the Ads foundation organization. Help us build the data engine behind Coupang Ads & other media related revenue sources. Our team provides the foundational platform that manages and serves all data used in our ads-serving pipeline.

We’re looking for backend experts passionate about big data and high-concurrency systems. You’ll be tasked with building a scalable, resilient, and low-latency infrastructure from the ground up, turning massive data streams into real-time business impact.

Architect and scale high-throughput data processing pipelines and serving infrastructure critical to real-time ad delivery.
Engineer our next-generation data platform, focusing on self-service capabilities that empower cross-functional teams to deploy data into production with minimal friction.
Bridge the gap between business strategy and technical execution, translating complex ads logic into highly distributed, efficient, and resilient system architectures.
Design and implement scalable, high-performance workflow infrastructure using technologies such as Temporal and Netflix Conductor.
Benchmark platform performance, collect and analyze system metrics, and publish performance reports.
Ensure platform reliability and uptime, targeting high availability through robust monitoring and alerting systems.
Estimate system capacity and provision clusters to support diverse customer workloads.
Monitor production systems, respond to incidents, and proactively address root causes to improve operational excellence.
Analyze and contribute to open-source platform components and codebases.
Collaborate with cross-functional engineering teams to ensure platform extensibility and support innovation.

What we are looking for

Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field
6 years of experience in backend software development
Experience working in cloud environments, particularly AWS
Demonstrated experience in building and maintaining highly available, distributed systems
Proven track record of taking ownership and successfully delivering results
Experience building ads serving system.
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 and low latency systems in a fast paced, team-oriented environment
Experience leading a project of building large scale data serving platform
Proficiency in Java and the Spring Frameworks

Preferred Qualifications

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
Proven ability to lead and collaborate in cross-functional, fast-paced environments
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)
Familiarity with Agile development practices, including code reviews, testing, and CI/CD pipelines
Experience managing mission-critical services with high throughput and low latency
Experience working in fast pacing environment
Experience with Spark/Hive/Redis//Kafka
Strong communication skills for interfacing with technical teams, business stakeholders, and end users

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 Staff position ranges from $164/year to $282/year. 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

Annual bonus is 0-20% of the base salary
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
up to 6 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 that would be 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.

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.

Job Requisition ID: R0076545

Equal Opportunities for All