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Coupang Internal

[Ads] Staff, Back-end Engineer [L6-1] (Advertiser Platform)

Coupang Internal · Seoul, South Korea

Posted about 2 months ago

or apply directly on Coupang Internal's site. We never take the application ourselves.

Is this posting real?

This role has been open
66 days
Coupang Internal's roles stay open a median of 64 days
Reposted
No
Salary listed
No
0% of Coupang Internal's roles list one
Ghost-job risk at Coupang Internal
high
321 stale, 8 reposted of 468 open
Hiring momentum
741 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-08

Measured from postings appearing on and disappearing from Coupang Internal's own greenhouse board since 2026-08-03. Full hiring picture for Coupang Internal.

About this role

The role involves developing and designing new features for Coupang's advertising platform as a back-end engineer in the Coupang Ads team. Responsibilities include creating scalable, high-performance microservices, implementing robust APIs, and collaborating with cross-functional teams to meet business needs. The position also requires problem-solving complex issues to enhance system reliability and scalability, while mentoring junior team members.

Our read on this posting2.0out of 5
benefits
1/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Coupang Internal as an employer.

What you need

  • BA/BS degree in Computer Science/Engineering or related field
  • 8+ years of software development experience with a deep understanding of algorithms, data structures, and design patterns
  • Strong knowledge of web-based software architecture, distributed systems, and message-based architecture
  • Expertise in designing and developing RESTful, GraphQL, GRPC APIs and microservices architecture
  • Experience with database systems and data warehousing concepts and languages (SQL, NoSQL)
  • Experience with large-scale operational systems with fault tolerance and monitoring capabilities

Nice to have

  • Experience in advertising and e-commerce domains
  • Experience with big data and/or machine learning
  • Experience with cloud platforms like AWS, Azure, or Google Cloud
  • Experience with containerization and orchestration tools (e.g., Docker, Kubernetes)
  • Experience leading a software development team

Worth weighing

  • This position is exclusively for internal employees, which may limit external candidates.
  • No specific salary or benefits information is provided in the posting.
  • The role involves working on complex systems, which may require a steep learning curve for new technologies.
  • The job posting indicates a focus on high availability and low latency, suggesting a demanding technical environment.

Summarised from Coupang Internal's posting. Read the full original.

Listed by Coupang Internal on their greenhouse job board, last confirmed open on 2026-10-08. PitchMeAI is not the employer.

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