Senior, Back-end Engineer (Advertiser Platform)
Core
Designing and developing new features for Coupang's advertiser platform to support self-service ad operations for sellers and suppliers.
Role type
Senior back-end engineer (advertising platform)
Builds
High-performance, scalable microservices and APIs for ad campaign management and reporting
Domain
E-commerce advertising technology
Deliverable
production ML models | product features
Required skills
Distributed systems, microservices architecture, RESTful/GraphQL/gRPC API design, SQL/NoSQL databases, fault tolerance, system debugging
Preferred skills
Ad/ecommerce domain experience, big data/ML, cloud platforms (AWS/Azure/GCP), containerization (Docker/Kubernetes), Spring/Java/Kotlin/Node.js/Kafka/Redis
Technologies
Java, Kotlin, Node.js, Kafka, Redis, Hive, Hadoop, Spark, ElasticSearch, Docker, Kubernetes, AWS, Azure, Google Cloud
Responsibilities
Translate business needs into technical solutions for ad campaign management and reporting; design and operate scalable microservices; implement secure APIs for platform integration; decompose complex problems into efficient solutions; proactively resolve root causes of system issues; investigate new technologies to improve platform value and efficiency; define requirements and processes for development and testing projects
Seniority
Senior, hands-on IC