Jobs at Coupang

Develop and deploy large-scale computer vision and machine learning models for Coupang’s search and product experiences. Responsibilities include experimentation, statistical analysis, scalable model development and serving, A/B testing, researching advanced vision techniques, presenting results to leadership, and mentoring engineers. The role requires applying deep learning, transformers, generative modeling, and other state-of-the-art approaches to user-facing products.

Design and build large-scale machine learning systems for search ranking, semantic retrieval, personalization, and product discovery. Develop scalable offline and real-time ML pipelines, process billions of interaction records and petabytes of logs, deploy complex models, track performance metrics, and collaborate with product, engineering, and data science teams. The role also involves mentoring engineers and applying transformers, LLMs, embeddings, vector search, and multimodal learning.

Build and optimize end-to-end search and discovery systems, including machine learning pipelines, serving infrastructure, and relevance solutions. Develop AI products using deep learning and large language models, improve search quality, deliver complex systems with measurable business impact, collaborate across teams, remove technical blockers, and recruit and develop engineering talent.

Leads the design and development of large-scale search and discovery relevance systems, including machine learning infrastructure, serving, pipelines, and AI products. Drives technical strategy, execution, operational excellence, and business impact while partnering with senior stakeholders. Explores deep learning and large language model innovations, improves search quality, resolves complex technical challenges, and recruits and develops high-performing engineering talent.

Leads architecture, integration, deployment, and production operation of full-stack autonomous robotics systems. Owns robotics software infrastructure, ROS2 control orchestration, hardware and WMS integration, simulation, testing, observability, edge deployment, and system performance targets. The role coordinates across perception, planning, controls, hardware, and product teams; troubleshoots complex hardware-software issues; establishes engineering standards; and mentors engineers.

Develop and evaluate advertising auction and monetization models, revenue and inventory forecasts, product KPIs, and rigorous A/B testing programs. Analyze customer and advertising data to identify trends, explain test outcomes, optimize revenue, and guide product strategy. Communicate concise, compelling insights through fact-based reporting and presentations while supporting large-scale, user-facing advertising products.

Leads the vision, strategy, roadmap, and execution for Coupang’s search and discovery product portfolio. The role focuses on reimagining AI and ML-powered search, relevance, personalization, and recommendation experiences. Responsibilities include hiring and developing product managers, monitoring performance metrics, optimizing the search product portfolio, and aligning senior stakeholders. The leader will drive high-impact consumer experiences at massive scale and collaborate across global, cross-functional teams.

Leads a global 20-person Data Science and Data Engineering organization within Search and Discovery. Oversees optimization of LLMs, ranking models, and personalization systems; leads experimentation and metrics synthesis; and partners with senior leaders to improve customer outcomes. The role requires deep expertise in statistics and machine learning, strong executive communication, and experience managing directors and global teams.

Leads FP&A strategy and operational finance for cloud and AI businesses. Partners with business and engineering leaders on investment decisions, resource allocation, cloud strategy, TCO, ROI, and build-versus-buy analysis. Oversees budgeting, forecasting, business reviews, financial modeling, cloud-cost analysis, reporting automation, dashboards, and executive insights. Translates technical metrics and complex datasets into actionable recommendations while improving forecast accuracy, financial processes, and operational performance.

Provides comprehensive administrative support to senior director-level executives, including complex calendar and meeting management, international coordination, travel arrangements, expense reporting, event planning, presentations, team activities, and special projects. The role requires proactive prioritization, sound judgment, discretion, strong communication, and the ability to manage multiple demands autonomously across global teams and time zones.

Build and manage high-volume analytics and production ETL/ELT systems, ensuring reliable data ingestion, quality, observability, security, compliance, and scalable performance. Partner with Data Science, Engineering, and Product teams to support accurate Search data logging and usage. Define data-system SLAs, optimize cost and performance, and support massive datasets, experimentation, and machine-learning applications.

Designs and scales Coupang’s search and discovery backend services, resolving architectural constraints, performance bottlenecks, latency, and high-traffic availability challenges. The role develops customer-facing products, optimizes mission-critical APIs, applies distributed systems and systems programming expertise, and partners with product and design teams to improve user experiences.

Lead the design, modernization, and operation of large-scale enterprise identity and directory platforms. Responsibilities include engineering multi-domain Active Directory environments, integrating Entra ID and other cloud identity services, strengthening authentication and access management, improving reliability and security, resolving complex escalated issues, developing automation, and establishing architectural standards. The role partners with security, infrastructure, and platform teams to build scalable IAM capabilities across global, hybrid environments.

Lead and oversee the development and operations of AI infrastructure orchestration, focusing on team management, strategic vision, and technology integration.

Supports senior director-level executives through complex calendar and meeting management, international scheduling, travel and expense coordination, event planning, team communications, presentation support, and special projects. The role requires strong organization, discretion, independent judgment, prioritization, and communication across global teams and time zones. The assistant also coordinates executive activities, maintains shared resources, and streamlines administrative processes in a fast-paced technology environment.

This role involves designing and building scalable ML systems for search and recommendation, transforming user data, and optimizing ML pipelines. The position also includes mentoring engineers and collaborating with cross-functional teams.

Build and productionize large-scale ML systems for search, ranking, and personalization. Handle petabyte-scale data pipelines, design transformer/embedding-based retrieval and real-time model serving, track metrics, collaborate cross-functionally, and mentor engineers to improve relevance and customer discovery.

Lead data science for Search & Discovery: analyze customer search interactions, design and measure experiments, build datasets and analytics pipelines, and optimize ML/LLM ranking models to improve relevance and personalization.

Build and operate Coupang's security infrastructure and IAM platforms. Design and implement backend APIs and scalable distributed systems, collaborate cross-team for platform adoption, ensure reliability and operational excellence, and mentor other engineers.

Lead and evolve Coupang's core search experience using AI and machine learning, driving innovation, product direction, and measurable business impacts.