Gunnar Grimnes
CTO at Bakken & Bæck
Bonn, North Rhine-Westphalia, Germany
Summary
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RockstarGunnar Grimnes is an experienced technology leader and CTO with 15 years of hands-on engineering and product development, currently heading technical strategy at Bakken & Bæck from Bonn, Germany. He combines executive leadership with deep back-end and data expertise, contributing to notable open-source work on RDFLib where he improved N-Quads parsing, serialization, and SPARQL engine behavior to boost query performance and robustness. Gunnar is comfortable moving between high-level architecture and low-level implementation, often focusing on data representation and query semantics that make distributed systems more reliable. His track record shows a pragmatic blend of shipping production systems while advancing community tools that underpin semantic data applications.
15 years of coding experience
Norwegian, English, German
Stackoverflow
1,508reputation
190kreached
16answers
2questions
eclipse-rcp
top-5%
latex
top-5%
eclipse-plugin
top-5%
Github Skills (16)
rdf10
parser10
sparql10
parsing10
python10
parse10
eclipse-rcp9
latex9
eclipse-plugin9
graph6
semantic-web6
postscript6
orm6
semantics6
rdflib6
Programming languages (12)
Github contributions (5)
RDFLib/rdflib
Jul 2011 - May 2019
RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:529 commits, 87 PRs, 129 pushes in 7 years 11 months
Contributions summary:Gunnar primarily contributed to the development of the rdflib library, fixing bugs related to string handling and serialization. They implemented a new N-Quads parser and serializer, enhancing the library's support for context-aware stores. Furthermore, the user focused on improvements to the SPARQL engine, including changes to variable scope and query algebra optimizations for improved query performance and stability.
pythonpypisemantic-webrdf-xmlparser
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