Coupang Global LLC

Coupang Global LLC

Senior Staff ll, AI Engineer (L7-2)

Mountain View, USA · Staff+

Sponsorship not specified$18k-$21kDetected 15 days ago
Full-Stack DevelopmentCode ReviewVector DatabasesMachine LearningData EngineeringLLMsRAGAgentic AIMLOpsAI OrchestrationA/B TestingEpicResearch

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odds of building a lasting career here

39Risky
Cap-exempt (no lottery)0
Sponsors this role90
Entry-level history0
PERM / green-card track0
Lottery odds (Level I)39
Fits your clock70

Thin sponsorship signal and lottery-bound (~15% per draw). A low-probability bet with your clock running. Prioritize cap-exempt roles and proven entry-level sponsors first.

Lottery odds assume a STEM candidate.

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Employer immigration record

from this employer's Department of Labor filings

Green-card filing pattern in this occupation

Context, not a finding about this posting: of this employer's 9 green-card filings in this occupation, 100% were for a worker who already held the job.

Green-card follow-through: 90%

Of 10 labor certifications old enough to have been used, 1 expired without the employer filing the next step. Median time from filing to decision: 492 days.100% of their filings were for a worker who already held the job.Only certifications past the 180-day window are counted — recent ones cannot have expired yet.

Files H-1B transfers

4 transfer filings in the last year, covering 4 workers. Median labor-condition decision: 8 days. An employer that already files transfers is one that can take over an existing H-1B.

Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.

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About the role

  • Staff ll, AI Native, AI First Engineer to pioneer and architect entirely new applications where Generative AI and Large Language Models (LLMs) serve as the fundamental core intelligence.
  • At Coupang, we are redefining the boundaries of what is possible.

Responsibilities

  • Design, architect, and own the full lifecycle of novel, end-to-end applications centered on generative AI and LLMs to create 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.
  • Develop and maintain strong RAG frameworks, grounding AI applications in Coupang's proprietary product catalog, user history, and operational knowledge bases for factual accuracy and relevance.
  • Implement advanced prompt engineering, agentic design, and complex LLM chains to build intelligent, stable software services.
  • Enforce AI reliability, monitoring, and safety to manage model non-determinism, minimizing hallucinations and optimizing large-scale cost-efficiency.
  • Rapidly prototype and productionize new AI capabilities to drive innovation and advance Coupang's mission to "build the future of commerce."

Requirements

  • Strong product-led engineering mindset with the ability to bridge the gap between cutting-edge AI research and practical, user-centric product features.
  • Demonstrated track record of taking AI-first products from concept to production, driving measurable improvements in user engagement, operational efficiency, or system performance.
  • Proven experience owning end-to-end AI applications, including:

Nice to have

  • Experience in high-traffic, large-scale consumer AI environments (e.g., LLM-based assistants, search/recommendation systems, or generative content platforms)
  • Experience leading or contributing to cross-functional AI research and product engineering teams.
  • Strong background in fast-scaling technology companies with a deep understanding of the challenges in deploying non-deterministic systems at scale.
  • Passion for continuous experimentation and rapid prototyping to solve ambiguous customer problems using the latest advancements in AI/ML.
  • Exposure/experience in ecommerce search.
  • Our compensation reflects the cost of labor across several US geographic markets.
  • The base pay for this position ranges from $171,000/year in our lowest geographic market to $351,000/year in our highest geographic market.
  • Employee Assistance Program (EAP) program

Compensation

  • "Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.

Benefits

  • Medical/Dental/Vision/Life, AD&D insurance
  • Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
  • Long-term/Short-term Disability
  • 18-21 days of the Paid Time Off (PTO) a year based on the tenure
  • Paid Parental leave

Company info

  • Staff ll, AI Engineer - Search (L7-2) We exist to wow our customers.
  • We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce, and we are growing fast in Taiwan commerce as well.
  • We are proud to have the best of both worlds - a startup culture with the resources of a large global public company.
  • We are looking for a Sr. Staff ll, AI Native, AI First Engineer to pioneer and architect entirely new applications where Generative AI and Large Language Models (LLMs) serve as the fundamental core intelligence.
  • We are looking for a Sr.
  • What We're Looking For
  • At Coupang, your base pay is one part of your total compensation.

Equal opportunity

  • Coupang is an equal opportunity employer.

Visa & Work Authorization

  • litary or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other
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This listing is sourced directly from Coupang Global LLC's careers page and normalized into a canonical job model.