Senior Staff Backend Engineer (Service Mesh)

Coupang · India · 13+ yrs experience · Posted 2026-07-18

Tech stack: AWS, Azure, GCP, Go, Java, Python, Backend

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About the role

Responsibilities:
- We are looking for a Sr Staff Backend Engineer who has a deep understanding of the interplay of large scale microservices and hands-on experience with Service Mesh.
- You will be responsible for designing the architecture and driving the team to deliver a modern platform that powers the entirety of Coupang’s services.
- The Gateway Services team is responsible for building Coupang’s infrastructure layer using a distributed microservices architecture to enable inter-service communication.
- Key aspects of the infrastructure layer include discovery, load balancing, traffic resiliency, traffic management, failure recovery, and observability paradigms.
- The job position entails the following:
- Develop and implement enterprise-wide fine-grained traffic control.
- Use a centralized management plane for managing policies and configurations.
- Secure inter-service communication with mTLS encryption, identity-based authentication, and authorization.
- As a Senior Staff Software Engineer in the Gateway Services team, you will partner with leaders of multiple Platform teams.
- You will implement simple solutions to complex infrastructure problems, building a highly scalable, reliable, and efficient platform for our customers.
- You will be accountable for raising the bar on engineering and operational excellence.
- In this role, you will:
- Build Service Mesh components collaborating actively within a tightly knit talented team.
- Design and implement back-end APIs using REST/Hibernate using Java SpringBoot and infrastructure components using Go.
- Architect workload and service management infrastructure by designing and developing critical infrastructure components.
- Decompose complex problems into simple, straightforward solutions following Coupang's leadership principles "Move with Urgency" and "Ruthless Prioritization".
- 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 raising the bar on Operational Excellence.
- Collaborate with other Coupang technical leaders to make the service extensible to unlock opportunities for innovations.
Qualifications:
- 13+ years of professional software development experience
- Experience in designing and implementing traffic management solutions to handle requests at scale.
- Hands-on experience in designing and developing large scale distributed systems for at least the past 4 years.
- Excellent development skills in Go/Java/Python with a proven track record of delivering mission critical systems.
- Experience with cloud computing using AWS or Azure or GCP.
- Strong experience in designing and implementing Service Mesh (Istio/Envoy) features.
- Deep understanding of network components (virtual networks, route tables, subnets, and gateways).
- Deep understanding of modern web applications design architecture and API design patterns with high performance and scale.
- Ability to handle multiple competing priorities in a fast-paced environment and lead the delivery of large-scale services for complex business offerings.
- Hybrid / Onsite / Remote working

Qualifications

- 13+ years of professional software development experience
- Experience in designing and implementing traffic management solutions to handle requests at scale.
- Hands-on experience in designing and developing large scale distributed systems for at least the past 4 years.
- Excellent development skills in Go/Java/Python with a proven track record of delivering mission critical systems.
- Experience with cloud computing using AWS or Azure or GCP.
- Strong experience in designing and implementing Service Mesh (Istio/Envoy) features.
- Deep understanding of network components (virtual networks, route tables, subnets, and gateways).
- Deep understanding of modern web applications design architecture and API design patterns with high performance and scale.
- Ability to handle multiple competing priorities in a fast-paced environment and lead the delivery of large-scale services for complex business offerings.
- Hybrid / Onsite / Remote working

Responsibilities

- We are looking for a Sr Staff Backend Engineer who has a deep understanding of the interplay of large scale microservices and hands-on experience with Service Mesh.
- You will be responsible for designing the architecture and driving the team to deliver a modern platform that powers the entirety of Coupang’s services.
- The Gateway Services team is responsible for building Coupang’s infrastructure layer using a distributed microservices architecture to enable inter-service communication.
- Key aspects of the infrastructure layer include discovery, load balancing, traffic resiliency, traffic management, failure recovery, and observability paradigms.
- The job position entails the following: Develop and implement enterprise-wide fine-grained traffic control.
- Use a centralized management plane for managing policies and configurations.
- Secure inter-service communication with mTLS encryption, identity-based authentication, and authorization.
- As a Senior Staff Software Engineer in the Gateway Services team, you will partner with leaders of multiple Platform teams.
- You will implement simple solutions to complex infrastructure problems, building a highly scalable, reliable, and efficient platform for our customers.
- You will be accountable for raising the bar on engineering and operational excellence.
- In this role, you will:
- Build Service Mesh components collaborating actively within a tightly knit talented team.
- Design and implement back-end APIs using REST/Hibernate using Java SpringBoot and infrastructure components using Go.
- Architect workload and service management infrastructure by designing and developing critical infrastructure components.
- Decompose complex problems into simple, straightforward solutions following Coupang's leadership principles "Move with Urgency" and "Ruthless Prioritization".
- 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 raising the bar on Operational Excellence.
- Collaborate with other Coupang technical leaders to make the service extensible to unlock opportunities for innovations.

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