Senior, Back-end Engineer [L5] (Advertiser Platform)

The role

This person will design, develop, and operate scalable microservice-based backend services for advertiser campaign management and reporting. They will work with cross-functional teams to implement technical solutions and APIs for the advertising platform.

What you will do

• Interpret business needs 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 root causes of 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

Required qualifications

• BA/BS degree in Computer Science or Engineering
• 3+ 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
• Experience with cloud platforms such as AWS, Azure, or Google Cloud
• Experience with containerization and orchestration tools like Docker or 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 aiming to realize its mission of customer satisfaction. It is a global large-scale listed company based on startup culture.