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Senior Tech Infrastructure Engineer

Coupang, Inc.z-Test & Templates Only
On-site Full-time

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Experience Level

Senior

Qualifications

Basic Qualifications:Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, or a related field (or equivalent experience). Over 10 years of experience in backend software development and operations. Recent experience in designing and operating large-scale distributed systems (within the last 3 years). Proficiency in one or more programming languages such as Go, C/C++, Python, or Java. Proven success in delivering mission-critical systems. Experience with cloud computing platforms such as AWS, Azure, or GCP. Preferred Qualifications:Familiarity with Kubernetes API machinery and semantics. Experience with controllers/operators and node daemons using Go.

About the job

Join Coupang as a Senior Tech Infrastructure Engineer within our Developer Platform team, where you will collaborate closely with leaders across multiple platform teams. Your mission will be to define and implement streamlined solutions to intricate orchestration challenges, creating a highly scalable, reliable, and efficient platform for our customers. You will develop and engineer Kubernetes controllers, operators, and node-level daemons for application runtime; conduct performance tuning and scaling; and design multi-cluster control-plane capabilities capable of scaling to millions of pods across thousands of clusters.

Key Responsibilities:

  • Develop a unified application platform for hybrid (multi-cluster, multi-region, multi-cloud) application management using Kubernetes controllers and feedback-driven control systems to meet service level objectives (SLOs).
  • Automate the application lifecycle (deployments, rollouts, failovers, policy enforcement) to reduce manual intervention for users.
  • Optimize fleet-wide performance, cost, and latency using data-informed controls and capacity management, enhancing $/RPS and tail latency.
  • Create resilient, multi-tenant control planes and workflows that efficiently scale to millions of pods across thousands of clusters.
  • Ensure reliability, security, and governance with defined guardrails, safe defaults, and automated remediation processes.
  • Collaborate with product teams and customers to transform complex orchestration challenges into simple, reusable platform components and exceptional developer experiences.
  • Promote observability and continuous improvement through measurable, outcome-focused metrics.

About Coupang, Inc.

Coupang is a leading e-commerce platform that leverages technology and innovation to provide customers with an unmatched shopping experience. Our commitment to excellence and continuous improvement drives us to build powerful solutions that enhance our services and empower our teams.

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