Senior Machine Learning Engineer (Operational Intelligence)
Core
Design, train, and optimize LLM/ML models and autonomous agent workflows to automate and intelligence catalog operations, ensuring data quality and operational efficiency for Coupang's e-commerce ecosystem.
Role type
Senior IC machine learning engineer (agentic AI & multi-agent systems)
Builds
Autonomous catalog management agents, multi-agent orchestration systems, and domain-specific LLMs for product attribute extraction and normalization.
Domain
E-commerce, catalog engineering, agentic AI, multi-modal intelligence
Deliverable
production ML models
Required skills
LLM/ML model design and optimization, agentic workflow orchestration, prompt engineering, supervised fine-tuning (SFT), reinforcement learning (RLHF/RLAIF), multi-modal data processing, tool routing and sub-agent orchestration, data curation and synthetic data generation, SQL and large-scale data pipeline tools
Preferred skills
E-commerce or knowledge graph domain expertise, latest LLM post-training techniques (DPO/PPO, LoRA/QLoRA), top-tier conference publications (ICML, NeurIPS, ACL, etc.), global distributed team collaboration
Technologies
PyTorch, Transformers, vLLM, TRT-LLM, Spark, Airflow
Responsibilities
Design and optimize LLM/ML models for catalog agents; lead research and application of agentic frameworks (ReAct, Chain-of-Thought, Agentic RL); build data flywheels and evaluation systems using human-in-the-loop feedback; collaborate with backend engineers to define low-latency tool-calling interfaces; implement multi-modal intelligence for brand verification and duplicate handling.
Seniority
Senior, hands-on IC
