Staff, Back-end Engineer (Advertiser Platform)
Core
Designing and building scalable, high-performance backend services and APIs for Coupang's advertising platform to serve advertisers and sellers.
Role type
Staff, Back-end Engineer (Advertiser Platform)
Builds
Microservices, APIs, and infrastructure for the Coupang Ads platform
Domain
E-commerce / Ad-tech
Deliverable
production ML models | product features | infrastructure
Required skills
Software architecture, distributed systems, message-based architecture, RESTful/GraphQL/gRPC API design, database systems (SQL/NoSQL), fault tolerance, debugging
Preferred skills
Ad-tech/e-commerce domain, big data/ML, cloud platforms (AWS/Azure/GCP), containerization (Docker/Kubernetes), team leadership, Spring/Java/Kotlin/Node.js/Kafka/Redis/Hive/Hadoop/Spark/ElasticSearch
Technologies
Java, Kotlin, Node.js, Kafka, Redis, Hive, Hadoop, Spark, ElasticSearch, Docker, Kubernetes, AWS, Azure, Google Cloud
Responsibilities
Translate business needs into technical solutions; design and develop scalable microservices for campaign management and reporting; implement secure APIs for platform integration; mentor junior team members; investigate and resolve complex system issues; stay current with industry trends to improve platform value
Seniority
Staff, hands-on IC with mentorship