Six Lessons From Building an AI-Powered Marketplace Search Engine

This story was originally published on HackerNoon at: https://hackernoon.com/six-lessons-from-building-an-ai-powered-marketplace-search-engine. A builder’s postmortem on multilingual AI marketplace search, from fake category IDs and broken price filters to caching, regex bugs, and latency. Check more stories related to machine-learning at: https://hackernoon.com/c/machine-learning. You can also check exclusive content about #ai-search, #multilingual-search, #ai-engineering, #search-relevance, #regex, #search-optimization, #production-ai, #query-parsing, and more. This story was written by: @ohadfarkash. Learn more about this writer by checking @ohadfarkash's about page, and for more stories, please visit hackernoon.com. The hardest parts of building multilingual AI search were not the LLM itself, but the system boundaries around it: API units, unvalidated IDs, bad regex assumptions, cache ordering, latency, and messy marketplace data.