- Engineered an LLM-driven system to automate product listing conversions across e-commerce platforms for multichannel selling, saving operator time and reducing labor costs by over 80%.- Designed a schema creation tool enabling non-developers to define custom product listing requirements, reducing development and maintenance workload on hundreds of data models by 95%.- The system and the tool later expanded beyond the original project to serve multiple departments, aiding hundreds of users in writing product listings across various categories and platforms.- Developed backend for an embedding-based recommendation system to automate cross-channel and multilingual product category mapping, reducing operators' manual effort by 90%.