Sr. Staff Software Engineer [Gateway Services, Backend]

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.

Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below.

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.

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 the Service Mesh’s platform team, you will gather requirements, design, build features to enhance multiple platform teams application traffic routing.

You will work closely with the Coupang’s domain teams. Implement simple solutions to solve 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 Istio, Envoy, 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, build service mesh 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

• Bachelor’s degree in computer science or related technical fields.
• 8+ years professional software development experience, or 6 years’ experience with an advanced degree.
• 2+ years’ experience as a project tech lead.
• Experience with configuring, maintaining Identity provider to handle requests at scale.
• Hands-on experience in designing and developing large scale distributed systems in the last 3 years.
• Fluency in one or more among C++, Java, and Go.
• Proven track record of delivering mission critical systems.
• Experience with cloud computing using AWS, Azure, or GCP.

Preferred Qualifications

• Strong experience with at least one of server-side webapp frameworks : Springboot.
• Working knowledge of databases, cache systems like Redis, Infinispan, Quarkus.
• Knowledge of OIDC, Oauth2, FIDO protocols. Experience with tools like WSO2, Keycloak are highly helpful.
• Deep understanding of modern web applications design architecture, good API design patterns, performance, and scale.
• Experience in CI / CD pipelines, YAML, and AWS cloud.
• Experience in Kubernetes, gRPC, and Go language.
• Experience in concurrency, multi-threading, synchronization, and non-blocking IO.

Pay & Benefits

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.

The base pay for this position ranges from $159,000 / year in our lowest geographic market to $324,000 / year in our highest geographic market.

Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits

• Medical / Dental / Vision / Life, AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Long-term / Short-term Disability
• Employee Assistance Program (EAP)
• 401K Plan with Company Match
• 18-21 days of the Paid Time Off (PTO) a year based on tenure
• 12 Public Holidays
• Paid Parental leave
• Pre-tax commuter benefits
• MTV - Free Electric Car Charging Station

General Description of Other Compensation

Other Compensation includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race, color, religion, religious creed, sex or gender, gender identity, gender expression, sexual orientation, ancestry, national origin, age (40 and over), physical or mental disability, medical condition, genetic information, HIV / AIDS or Hepatitis C status, family status, military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, or any other characteristic or class protected by the laws or regulations in the locations where we operate.

If you need assistance and / or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at [email protected].

Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

Req # R0043668

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