Sr. Staff Software Engineer [Gateway Service, Backend]

Description

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected 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 service mesh infrastructure in a distributed system, hands-on experiences in managing, using, Identiy provider, Kubernetes, HTTP, HTTP/2, gRPC and service mesh.

What You Will Do

As a Senior 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:

• Design the architecture and driving the team to deliver a modern platform that powers all Coupang’s internal services.
• Create scalable system designs for building service mesh (Istio, Envoy) 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