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Leads backend engineering for identity and access management on Coupang’s AI cloud platform. Responsibilities include designing scalable user and machine identity systems, authentication and authorization frameworks, service-to-service security, RBAC/ABAC policy enforcement, and identity lifecycle management. The role leads an engineering team, drives distributed-systems architecture and delivery, ensures reliability and security at scale, collaborates globally, and mentors engineers.

Lead backend architecture and development for highly scalable, reliable distributed systems supporting global e-commerce. Define technical roadmaps, solve complex system problems, drive engineering best practices, address critical issues, and collaborate with geographically distributed teams and stakeholders on mission-critical platform initiatives.

Own supply chain management products spanning ordering, inbound planning, inventory, transfers, and network design. Define product strategy, PRDs, roadmaps, KPIs, and acceptance criteria while partnering with engineering, data science, and operations. Translate operational challenges into AI, machine learning, and optimization-driven products, conduct UAT and A/B testing, analyze data, and lead launches across fulfillment and inventory systems.

Lead cross-functional e-commerce growth and profitability programs in Taiwan. Define category-growth strategies, scale existing initiatives, roadmap new programs, and align brand, marketing, pricing, and finance teams. Monitor performance, resolve issues, create category scorecards, analyze defect metrics, and present findings to stakeholders and leadership. The role requires strong analytical, strategic, communication, negotiation, leadership, and project management skills, along with fluent English and Mandarin.

Analyze operational and customer experience data, perform ad hoc and root-cause analyses, and build customer experience funnels. Design and maintain Airflow ETL pipelines and DAGs using Presto/Hive SQL, develop data marts, monitor data quality, and create reports. Build Python automation integrating internal tools and APIs, including AI- and LLM-enabled workflows to improve reporting, quality assurance, and operational efficiency.

Designs and evolves performance management frameworks, including goal-setting, performance reviews, calibration, feedback, and development processes. Analyzes performance data to provide talent insights, advises HRBPs and business leaders, facilitates training and coaching, and improves performance tools and systems. Partners with Learning & Development and business teams to promote employee growth, fairness, alignment, and a high-performance culture.

Own sales operations infrastructure for Enterprise Sales, including account allocation, territory planning, pipeline governance, quota tracking, forecasting, performance analysis, executive dashboards, and workflow automation. Query large datasets with SQL, improve seller productivity, and coordinate handoffs with Merchant Operations, Finance, and Legal. Provide data-driven recommendations to sales leadership and maintain reliable sales performance reporting.

Leads procurement, contracting, carrier operations, and SLA performance for linehaul transportation across Coupang’s network. Manages strategic carrier partnerships, supplier relationships, legal and procurement coordination, cross-functional fulfillment and retail support, customer relationships, P&L, forecasting, and leadership development for assigned managers.

Lead development and maintenance of large-scale distributed systems supporting Coupang’s seller, listing, fulfillment, and settlement platforms. Collaborate with product, design, and engineering teams to define architecture and roadmaps, deliver scalable applications, improve performance and availability, test and debug software, innovate on Rocket Growth initiatives, and provide technical direction to junior engineers.

Operate and optimize large-scale Aurora MySQL and PostgreSQL databases in mission-critical, high-traffic environments. Responsibilities include upgrades, patching, migrations, performance tuning, capacity planning, incident response, failover and recovery design, on-call support, and Python-based automation. The role also develops AI-driven operational tooling, maintains database procedures, and collaborates with application, infrastructure, and security teams on reliable database architecture and operations.