Andy Seaborne
Apache Jena at The Apache Software Foundation
Bristol, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolAndy Seaborne is a veteran software engineer and distributed systems architect with 23+ years building scalable, fault-tolerant server and database technologies, particularly for the Semantic Web and linked data. A core developer and long-term maintainer of Apache Jena, he has driven storage, RDF query and JSON-LD features in one of the leading Java frameworks for Linked Data. He co-edited the SPARQL specifications at W3C and authored the SPARQL algebra that underpins the language’s semantics, demonstrating rare influence on both standards and production software. His background blends industrial research at HP Labs with principal engineering and architect roles across the commercial sector, recently prototyping cost-effective, high-performance graph database clusters. Based in Bristol, he pairs deep academic training (PhD, Cambridge) with pragmatic open-source collaboration and a track record of turning consensus-driven standards into robust implementations.
23 years of coding experience
36 years of employment as a software developer
Doctor of Philosophy (PhD) Computer Science, Doctor of Philosophy (PhD) Computer Science at University of Cambridge
Stackoverflow
16,520reputation
418kreached
670answers
0questions
rdf
top-1%
java
top-5%
Github Skills (17)
java10
javas10
rdf10
sparql10
junit9
xml9
json-ld9
api8
owl6
apache-jena6
semantic-web6
ontology6
tdb6
fuseki6
virtuoso6
Programming languages (11)
Github contributions (5)
apache/jena
Jan 2003 - Jan 2023
Apache Jena, A free and open source Java framework for building Semantic Web and Linked Data applications.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:986 reviews, 17300 commits, 2695 PRs in 20 years 4 months
Contributions summary:Andy primarily worked on the core functionalities of the Apache Jena framework, demonstrating expertise in the development of back-end logic. Their contributions included addressing issues within the core modules, implementing features, and making performance improvements, suggesting a deep understanding of the framework's inner workings. They also made specific changes such as handling XML processing and the creation of a new JSON-LD 1.1 writer.
apache-jenaapachesparqlrdfjava
w3c/sparql-entailment
Jan 2023 - Feb 2025
Contributions:14 reviews, 20 PRs, 14 pushes in 2 years 1 month
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