John Blazic is a Senior Software Engineer with nine years of experience building search and NLP-driven systems at companies ranging from startups to enterprise teams. With an MS in Human Language Technology and a BA from Vanderbilt, he specializes in productionizing information retrieval and visual search—optimizing Elasticsearch performance and search infrastructure for scalable discovery. He has led search engineering at H1 and Zola and recently served as Lead Engineer for Visual Search, demonstrating a track record of improving relevance and throughput in domain-specific applications. Based in New York, he blends linguistic rigor with hands-on engineering, having reduced search noise through document classification and tackled complex extraction challenges like negation and multi-entity parsing. Notable but less obvious: his background in classical languages suggests unusual depth in linguistic intuition that informs his approach to NLP model and pipeline design.
9 years of coding experience
11 years of employment as a software developer
The University of Arizona
BA Classical Languages Warfare History, BA Classical Languages Warfare History at Vanderbilt University
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John Blazic - Senior Software Engineer at Datasite