Angelo Veltens
Software Development Consultant at codecentric AG
Hamburg, Germany
Summary
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Rockstar🎓
Top SchoolAngelo Veltens is a software development consultant with 15 years' experience helping teams deliver high-quality software through TDD, pair programming, and continuous delivery. Based in Hamburg and currently at codecentric AG, he blends hands-on full-stack engineering with pragmatic process coaching to sustain predictable delivery at a healthy pace. He contributes to open-source Linked Data tooling—enhancing rdflib.js parsing/serialization for JSON-LD and SPARQL edge cases—which reflects a careful attention to data correctness and interoperability. Trained in applied computer science at DHBW Karlsruhe, Angelo pairs engineering rigor with a collaborative mindset to turn complex integration challenges into reliable, testable solutions.
15 years of coding experience
Angewandte Informatik, Angewandte Informatik at Duale Hochschule Baden-Württemberg (DHBW) Karlsruhe
Stackoverflow
323reputation
17kreached
9answers
1question
Github Skills (13)
serialization10
json-ld10
javascript10
data-serialization10
testing10
sparql9
typescripts8
typescript8
typescript-types8
extjs6
database-migration6
grails6
rest6
Programming languages (17)
Github contributions (5)
linkeddata/rdflib.js
Dec 2020 - Oct 2021
Linked Data API for JavaScript
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:3 releases, 52 reviews, 32 commits in 10 months
Contributions summary:Angelo contributed to parsing and serializing JSON-LD data, primarily focusing on handling the `@type` property and escaping special characters within string literals. They implemented and tested these functionalities, expanding the parsing capabilities of the library. Moreover, the user ensured the correct serialization of double-precision floating-point numbers, including those with "e" notation, and updated the serialization of special characters to include those needed for SPARQL INSERT statements.
javascriptlinked-data
angelo-v/groovyrdf
Aug 2011 - May 2019
Library for building and processing RDF data with Groovy
Contributions:4 releases, 62 commits, 15 PRs in 7 years 9 months
groovyrdf
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