John Ryan
Vice President Engineering Data & Match Intelligence
Leinster, Ireland
Summary
👤
Senior🎓
Top SchoolJohn Ryan is a seasoned engineering leader with over 20 years building and scaling data-intensive platforms, now serving as Vice President of Engineering for Data & Match Intelligence at GLG. He leads global teams responsible for expert matching, data infrastructure, third-party integrations, and AI-driven discovery across a platform that ingests and serves billions of documents. A hands-on architect in search relevance and large-scale data processing, he combines deep expertise in OpenSearch, Python, LLMs and system design to advance intelligent matching and recommendations. His career traverses startups and large enterprises—from founding a consultancy to technical roles at Dell, Microsoft and financial firms—bringing a pragmatic blend of product-focus and engineering rigor. Based in Leinster, he pairs academic credentials in security and forensic computing with a track record of turning complex data challenges into production-grade, high-impact systems. Notably, he remains directly involved in search relevance work rather than moving exclusively into pure management, keeping technical depth close to strategy.
13 years of coding experience
27 years of employment as a software developer
B.Sc., Computer Science & Software Engineering, B.Sc., Computer Science & Software Engineering at Technological University DublinPost Grad Diploma, Stockbroking Investment, Post Grad Diploma, Stockbroking Investment at Dublin Business SchoolMaster's degree, Security and Forensic Computing, Master's degree, Security and Forensic Computing at Dublin City University
Stackoverflow
351reputation
22kreached
8answers
13questions
Github Skills (37)
lucene10
search-engine10
nosql10
information-retrieval10
solr10
java10
backend10
react-native9
ios9
polymer-element9
virtual-machine9
barcodes9
simplesamlphp9
android9
soap-client9
Programming languages (6)
Github contributions (5)
jnyryan/adfs-saml
Aug 2014 - Sep 2014
Contributions:18 commits in 1 month
jnyryan/log-suppress
Feb 2015 - Jul 2016
Contributions:16 commits, 14 pushes, 1 branch in 1 year 4 months
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