Staff Software Engineer II (Developer Platform)

Location: Remote from (CA, WA, TX, or AZ only)

Coupang is reimagining the shopping experience with the goal of wowing each customer from the instant they open the Coupang app to the moment an order is delivered to their door. Powered by an outstanding end-to-end e-commerce and logistics network and a fanatical culture of customer centricity, Coupang has broken tradeoffs around speed, selection and price. Today, we provide exceedingly fast shipping speeds on millions of items including fresh groceries, delivered within hours nationwide, 365 days a year. We are doing this for millions of consumers in Korea. Korea is home to one of the largest and fastest growing e-commerce opportunities anywhere in the world. 

Coupang has been added into the 2023 fortune 500 list, a ranking U.S-based companies by revenue. We have been named as one of the ‘50 Smartest Companies in the World’ by MIT Technology Review, and as one of Forbes magazine’s ‘30 Global Game Changers.’ In 2020, we placed second on CNBC’s ‘Disruptor 50’ list.

Job Overview:

The Gateway Services team is responsible for building Coupang’s infrastructure layer in a distributed microservices architecture for service-to-service communication including discovery, load balancing, failure recovery, metrics and monitoring. Develop and implement enterprise-wide fine-grained control of traffic behavior with rich routing rules, retries, failovers, and fault injection. Use management plane for managing the policy layer. Manage a pluggable policy layer and configuration API supporting access controls, rate limits and quotas. Secure service-to-service communication in a cluster with TLS encryption, strong identity-based authentication and authorization.

We are looking for an engineer who has deep understanding of app in a distributed system, hands-on experiences in managing, using, Identity provider, Kubernetes, gRPC and service mesh. You will be responsible for designing the architecture and driving the team to deliver a modern platform that powers all Coupang’s internal services.  

What You Will Do

As a Staff Software Engineer in Service Mesh’s platform team, you will partner with leaders of multiple platform teams. You will work closely with the product team to define and implement simple solutions to 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:

• Take ownership of building service mesh (Istio) components while collaborating actively as part of a small, highly talented team.

• Write back-end APIs using REST/GraphQL/Hibernate using the Springboot and python frameworks.

• Architect workload and service management infrastructure.  
• 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.

  
Qualifications

• One who has a bachelor’s degree in computer science or related technical fields. 
• One who has 8+ years professional software development experience, or 6 years’ experience with advanced degree.  
• One who has 2+ years’ experience of project tech lead. 
• Experience with configuring, maintaining service mesh to handle requests at scale.
• 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 and Go.
• Proven track record of delivering mission critical systems.
• Experience with cloud computing using AWS or Azure or GCP.

      
Preferred Qualifications 

• Strong experience in Service Mesh (Istio) features like rate limiting, authentication, authorization, load balancing, throttling, routing.
• Deep understanding of network components like virtual networks, route tables, subnets, and gateways.
• Experience in configuring Istio control plane, management plane and Ingress gateway.
• Deep understanding of modern web