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Staff Software Backend Engineer

Location Seoul, South Korea


Job Overview:   

The Developer platform team is responsible Coupang’s developer experiences including Coupang’s internal workload management and microservice ecosystem which scales to thousands of microservices. We are in a process to revolutionize our developer experiences and internal infrastructure by adopting the best technologies available.  


We are looking for an developers who has deep understanding of distributed system, hands-on experiences in large scale backend services, Kubernetes, gRPC and service mesh. You will be responsible to design the architecture and lead the team to deliver a modern platform that powers all Coupang’s internal services.   


What You Will Do  

As a Staff Software Engineer in Developer platform, you will partner with leaders of multiple platform teams. You will work closely with the product team to define and implement simple solutions of complex infrastructure problems while ensuring to build a highly scalable, reliable and efficient platform for our customers. You will technically lead projects working on full stack development teams using JAVA, AWS, Kafka, Kubernetes, gRPC and service mesh. You will be accountable for raising the bar on engineering and operational excellence. 

In this role, you will: 

  • Shape the future of our Developer Experience and Process strategy 

  • Increase developer productivity by using analyzing, designing, and implementing innovative development processes 

  • Hands-on develop critical infrastructure components.  

  • Decompose complex problems into simple, straightforward solutions, providing mechanisms for the teams to prioritize ruthlessly and “move with urgency”. 

  • Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design. 

  • Dive deep into critical system issues, proactively addressing similar root causes, and raise the bar on Operational Excellence. 

  • Collaborate with other Coupang tech leaders to make the service extensible to unlock opportunities for innovations. 



  • One who has bachelor’s degree in computer science or related technical fields.  

  • One who has 6+ years professional software development experience, or 4 years’ experience with advanced degree.   

  • One who has hands-on experience in designing and developing large scale distributed system in the last 3 years.  

  • One who is fluent in one or more among C++, Java, Go, Javascript and Typescript.  

  • Proven track record of delivering mission critical systems. 

  • Experience with cloud computing using AWS or Azure or GCP. 

Preferred Qualifications   

  • One who has experience in CI/CD pipelines, Jfrog artifactory, Yaml and AWS cloud.  

  • One who has experience in Kubernetes, gRPC, Spring boot.  

  • One who has experience in concurrency, multi-threading, synchronization, and non-blocking IO.  

  • One who has deep understanding of operating system kernel and distributed system such as Kafka, Cassandra and Spark.   

  • Ability to handle multiple competing priorities in a fast-paced environment and leading the delivery of large-scale services for complex business offerings. 

  • One who is capable of or is fluent in English communication.   

  • One who has master or PhD degree in computer science or other related technical fields.    

Apply now