Margaret Gu

Software Engineer

Author's articles

April 30, 2026

ES|QL query builder for JavaScript and TypeScript: Fluent, type-safe query construction

Exploring the ES|QL query builder for JavaScript and TypeScript and explaining how to build ES|QL queries with practical examples.

By: Margaret Gu

From vectors to keywords: Elasticsearch hybrid search in LangChain

Hybrid Search Integrations

February 11, 2026

From vectors to keywords: Elasticsearch hybrid search in LangChain

Learn how to use hybrid search in LangChain via its Elasticsearch integrations, with complete Python and JavaScript examples.

MG EE

By: Margaret Gu and Eyo Eshetu

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