28 days ago
Base Salary
$171k - $351k/yr
Responsibilities
- Design, architect, and own the full lifecycle of generative AI and LLM-centered applications for new e-commerce experiences.
- Develop and manage production AI infrastructure, including vector databases, high-throughput inference, and real-time data pipelines for context enrichment and low-latency serving.
- Build and maintain RAG frameworks grounded in product catalogs, user history, and operational knowledge bases.
- Implement prompt engineering, agentic designs, and complex LLM chains for intelligent software services.
- Establish AI reliability, monitoring, and safety practices to manage non-determinism, reduce hallucinations, and improve cost efficiency.
- Rapidly prototype and productionize AI capabilities while driving measurable improvements in customer engagement, operational efficiency, or system performance.
Requirements
- At least 3 years of software engineering experience with strong coding and code review skills and deep specialization in LLMs, generative AI systems, and productivity tools.
- Experience building generative AI agents, conversational interfaces, RAG pipelines, LLM fine-tuning and optimization, and AI-powered automation or workflow systems.
- A strong product-led engineering mindset and ability to translate AI research into user-centric product features.
- A proven track record of taking AI-first products from concept to production.
- Deep technical understanding of prompt engineering, LLM orchestration frameworks such as LangChain and LlamaIndex, vector databases, semantic search architectures, and scalable MLOps.
- Preferred experience includes large-scale consumer AI environments, search or recommendation systems, generative content platforms, cross-functional AI research and product engineering teams, 0-to-1 generative AI products, high-scale non-deterministic systems, rapid experimentation, and ecommerce search.
Benefits
- Medical, dental, vision, life, and AD&D insurance.
- Flexible Spending Accounts and Health Savings Accounts.
- Long-term and short-term disability coverage and an Employee Assistance Program.
- 401(k) plan with company match.
- 18–21 days of paid time off annually based on tenure and 12 public holidays.
- Paid parental leave and pre-tax commuter benefits.
- Free electric car charging station.
- Base pay varies by US geographic market; the role is listed with a $171,000–$351,000 annual base-pay range.
Categories
About Coupang
Coupang builds and operates a South Korea–focused e-commerce marketplace with an end-to-end logistics network (Rocket Delivery), plus food delivery, video streaming, and fintech under brands such as Coupang, Eats, and Play. Revenue comes from first-party retail, third-party marketplace services, advertising, and memberships (Rocket WOW). Founded in 2010, the company is headquartered in Seattle and is publicly listed on the NYSE (CPNG).