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Lead development of Coupangs Search & Discovery mobile experience: build AI harnesses, ship high-quality iOS search components, collaborate with PMs and designers, run data-driven experiments (A/B tests), use analytics tools to inform product decisions, and maintain performant, scalable consumer-facing mobile features.

The role involves developing advanced AI solutions for e-commerce scenarios, designing algorithms, optimizing ML systems, and collaborating cross-functionally to drive innovations that enhance user experience.

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 Staff Technical Program Manager will lead company-wide programs from product definition to execution, focusing on platform and API technologies while driving collaboration across engineering teams to enhance customer experience.

Lead the design of a distributed backend streaming engine with a focus on high availability and AI integration, ensuring low latency and high throughput.

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

Design and implement scalable offline and online ML infrastructure for Search & Discovery: build data logging, ETL, training pipelines, and real-time model serving for ranking and recommendations, collaborate with cross-functional teams, and mentor engineers.

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.

Lead database engineering and AI-driven automation for high-traffic e-commerce systems. Manage Aurora MySQL/PostgreSQL and multiple NoSQL stores, optimize performance, ensure 5-6 nines availability, build automation and self-healing using Python and AI, run on-call rotations, execute upgrades/migrations, and collaborate with dev, infra, and security teams.

The Staff Back-end Engineer will design and develop large-scale distributed systems, leading projects with a focus on microservices and infrastructure.