Hannes Voigt
Staff Software Engineer at ISO/IEC JTC1/SC32/WG3 Database Languages
Germany
Summary
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Rockstar🎓
Top SchoolHannes Voigt is a Staff Software Engineer based in Germany with eight years of industry experience and a deep academic background culminating in a PhD in Computer Science from Technische Universität Dresden. He has progressed through engineering roles at Neo4j from Software Engineer to Staff Engineer, contributing to graph database technologies while simultaneously serving as an expert member of the ISO/IEC database languages working group. His career blends research and practice—years as a postdoc, interim professor in Big Data Analytics, and visiting scholar roles inform a rigorous, standards-aware approach to system design and data-intensive engineering. Known for bridging academia and product engineering, he brings expertise in database languages, query processing, and scalable data systems that underpin enterprise graph platforms. Peers describe him as a thoughtful technical leader who pairs deep theory with pragmatic delivery across research, standards, and production at Neo4j.
8 years of coding experience
12 years of employment as a software developer
Doctor of Philosophy (Ph.D.) Computer Science, Doctor of Philosophy (Ph.D.) Computer Science at Technische Universität Dresden
Github Skills (44)
stored-procedures10
graph-algorithms10
neo4j-plugin10
property-graph10
graph10
graph-database10
grammar10
neo4j10
procedures10
cypher10
query-language10
specification10
declarative10
neo4j-database10
memgraph10
Programming languages (8)
Github contributions (5)
opencypher/openCypher
Oct 2018 - Nov 2022
Specification of the Cypher property graph query language
Contributions:8 releases, 180 reviews, 1038 commits in 4 years
queryspecificationgrammardeclarativetck
hvub/docs-cypher
Feb 2024 - Feb 2025
Neo4j Cypher Documentation
Contributions:28 pushes, 10 branches in 1 year
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