Staff, Back-end Engineer (Advertiser Platform)

Seoul, South Korea. Posted 14 days ago

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 RESTful, GraphQL, GRPC API and microservices architecture design and development
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 teamwork 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

About the company

Coupang is a fast-growing e-commerce company that aims to realize customer satisfaction through innovation. It operates as a global large-scale listed company with a startup culture.