Jobs at Coupang

Provides legal advice on corporate governance, SEC regulatory compliance, M&A transactions, credit facilities, subsidiary management, and corporate policies. Partners with cross-functional stakeholders to assess risks, negotiate agreements, develop repeatable processes, and support global operations. Requires strong corporate legal judgment, business acumen, communication skills, and the ability to work effectively in a fast-paced environment.

Provides comprehensive executive administrative support to senior technology leaders, including complex calendar and meeting management, international coordination, travel and expense arrangements, event planning, presentations, shared-resource management, and special projects. The role requires independent judgment, strong organization, discretion, communication skills, and flexibility to support globally distributed teams across international time zones.

Designs and manages web and API security controls, including WAF, bot management, DDoS protection, and detection policies. Conducts threat hunting, analyzes security telemetry and logs, investigates incidents, responds to vulnerabilities, and develops detection logic, playbooks, procedures, and automation. Partners with engineering and security teams to improve security operations, monitoring, and response capabilities across Coupang’s large-scale global technology environment.

Designs and develops large-scale streaming data systems, scalable infrastructure, data pipelines, and data models for Coupang’s seller marketplace. Owns projects from architecture through delivery, improves platform scalability and reliability, contributes to shared engineering standards, and provides technical leadership across teams. The role requires backend software expertise, distributed systems experience, and proficiency with Java, Spring, AWS, and data technologies such as Spark, Flink, Kafka, and NoSQL.

Partners with business leaders to develop people strategies, improve organizational effectiveness, coach managers and executives, resolve complex employee relations issues, and lead talent, workforce, performance, succession, retention, and manager development initiatives.

Provides strategic executive support to Vice President and Senior Director leaders, including complex calendar management, domestic and international travel coordination, meeting preparation, communications, expense reporting, event logistics, budgeting, and operational tracking. The role anticipates executive needs, manages competing priorities, supports special projects and strategic initiatives, improves processes, and coordinates across global teams with discretion and sound judgment.

Conduct penetration testing across web, mobile, API, and network environments; simulate threat actors through Red Team campaigns; identify vulnerabilities; and provide remediation guidance. Requires offensive security experience, proficiency with penetration testing tools, Linux, networking, command-line utilities, and programming. Cloud, threat modeling frameworks, offensive security certifications, and Korean-English fluency are preferred.

Designs, builds, deploys, and operates highly scalable backend workflow platforms and distributed services in AWS. Responsibilities include using Java and Spring Framework, supporting orchestration systems such as Temporal and Netflix Conductor, optimizing reliability and performance, managing observability and incidents, scaling infrastructure, and collaborating across engineering teams. The role also involves technical leadership, mentoring engineers, and guiding architecture and delivery.

Design, build, and operate high-throughput, low-latency distributed systems and microservices. Own platform features that improve scalability, reliability, availability, extensibility, and performance. Establish architecture paradigms, API standards, and technical strategy across engineering teams. Lead technical modernization, migrations, observability, reliability initiatives, and infrastructure optimization while mentoring senior engineers into lead and staff roles.

Design, develop, and operate security automation workflows for detection, investigation, triage, and response at scale. Build SOAR integrations with SIEM, EDR, CTI, ticketing, and SaaS platforms; develop LLM-powered analysis and response capabilities; and improve reliability, scalability, monitoring, and operational performance of AI-SOC systems. Collaborate with SOC and incident response teams to implement automated detection scenarios and resolve production incidents.

Build and operate scalable cloud backend and datacenter services using SRE practices. Develop observability, telemetry, monitoring, alerting, and infrastructure automation systems. Optimize system performance, reliability, and resource utilization; conduct root cause analyses and postmortems; troubleshoot hardware and software issues; implement security and compliance controls; and collaborate with engineering teams and vendors.

Leads architecture and development of high-scale Inventory and Promise platforms supporting inventory visibility, delivery-date promises, and fulfillment orchestration. Designs distributed microservices and machine learning pipelines, decomposes complex technical problems, improves performance and scalability, and provides technical leadership across teams. Mentors engineers, promotes engineering best practices, and contributes to highly available, fault-tolerant systems processing thousands of requests per second.

Lead the development and maintenance of large-scale distributed systems supporting e-commerce listings, fulfillment, settlements, and seller experiences. Collaborate with product, design, and engineering teams to establish architectural roadmaps, build resilient applications, test and debug software, improve platform performance, and drive innovation. Provide technical direction to junior engineers while delivering scalable, maintainable solutions for Rocket Growth programs.

Provide high-level administrative support to senior tech executives including complex international calendar management, meeting coordination across time zones, travel booking and expense reporting, event and meeting logistics, project coordination for team initiatives, presentation support, and ad-hoc special projects. Must proactively prioritize, streamline processes, and work autonomously in a fast-paced, global environment.

The Senior Staff Machine Learning Engineer will lead innovative AI engineering projects and optimize algorithms for e-commerce applications, collaborating across teams to drive significant business impact.

The Senior Staff Backend Engineer will enhance cloud infrastructure's reliability and efficiency, design scalable systems, and collaborate across teams to improve architecture and deployment automation.

Lead design and implementation of a next-generation Resource Manager and AI developer tools. Build scalable, event-driven microservices, improve ML workflow orchestration, model management, and observability. Mentor engineers, drive architectural decisions, collaborate with product and compliance, and take end-to-end ownership for platform reliability, performance, and operations.

Design and build scalable backend services for real-time distribution of orders, ensuring reliability and operational excellence in a fast-paced environment.

The Senior Staff Machine Learning Engineer will improve Coupang's search and discovery systems using advanced algorithms, addressing bottlenecks, proposing solutions, and leading projects involving personalization and recommendations.