Staff Back-end Engineer
Core
Design and implement scalable, reliable, and high-performance distributed systems for Coupang's 2P marketplace (Rocket Growth) to enhance seller convenience and customer selection.
Role type
Staff Back-end Engineer (Large-scale distributed systems)
Builds
High-throughput marketplace platform features and infrastructure
Domain
E-commerce / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Large-scale back-end systems design, Microservices architecture, High-throughput low-latency system design, Modern back-end languages (Go, Java, Python, C++, Rust), Relational databases (PostgreSQL, MySQL), NoSQL databases (Cassandra, Redis, DynamoDB), Cloud infrastructure (AWS, GCP, Azure), Container orchestration (Kubernetes), CI/CD pipelines, API standards (REST, gRPC, GraphQL)
Preferred skills
Event-driven architectures, Distributed messaging platforms (Apache Kafka, RabbitMQ, Pulsar), Legacy system modernization, Infrastructure cost optimization, Observability and reliability engineering, Technical mentorship
Technologies
Go, Java, Python, C++, Rust, PostgreSQL, MySQL, Cassandra, Redis, DynamoDB, AWS, GCP, Azure, Kubernetes, Apache Kafka, RabbitMQ, Pulsar, OpenTelemetry
Responsibilities
Design and implement systems meeting scalability, reliability, availability, extensibility, and performance needs; Establish architecture paradigms and technical strategy across engineering teams; Lead major technical turnarounds and infrastructure initiatives; Mentor Senior engineers into Lead/Staff roles
Seniority
Staff, hands-on IC with strategic influence