Staff, Back-end Engineer (Advertiser Platform)

The role

This person will design and develop new features for the Coupang Ads platform. They will build scalable, high-performance microservices and APIs to support advertiser campaign management and reporting.

What you will do

• Interpret business requirements into technical solutions
• Design, develop, and operate scalable microservice-based backend services for advertiser campaign management and reporting
• Collaborate with cross-functional teams including frontend developers, product managers, data analysts, and UX designers
• Implement strong and secure APIs for integration with advertising platform components
• Decompose complex problems into simple solutions and communicate effectively
• Investigate and resolve critical system issues to improve operational excellence
• Research new technologies and industry trends to provide solutions and improve platform efficiency
• Define requirements and processes for development, improvement, and testing projects
• Perform code reviews and mentor junior team members

Required qualifications

• BA/BS degree in Computer Science or Engineering
• 8+ years of software development experience with deep understanding of algorithms, data structures, and design patterns
• Deep understanding 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, data warehousing concepts, and languages (SQL, NoSQL)
• Experience with large-scale operating systems with fault tolerance and monitoring capabilities
• Excellent problem-solving and debugging skills
• Effective communication and collaboration skills

Nice to have

• Experience in advertising and e-commerce domains
• Experience with big data and/or machine learning at an appropriate scale
• Experience with cloud platforms such as AWS, Azure, or Google Cloud
• Experience with containerization and orchestration tools like Docker and Kubernetes
• Experience as a software development team leader
• Agile software development experience
• Experience with Spring, Java, Kotlin, Node.js, Kafka, Redis, Hive, Hadoop, Spark, or ElasticSearch

Before you apply

• All interviews are conducted via non-face-to-face video call
• Recruitment process may vary by job role
• The posting may close early once recruitment is complete
• Employment may be restricted if legal qualifications required for job performance are not met
• Preferential treatment may be given to persons protected by employment laws (veterans, persons with disabilities, etc.)

About the company

Coupang is a rapidly growing e-commerce company and a global large-scale listed company based on startup culture. The company aims to realize its mission by making shopping, meals, and daily life convenient for customers.