Maarten Kroon
Freelance Senior Java And XSLT Software Engineer, Partner at Armatiek BV
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolMaarten Kroon is a seasoned freelance software developer and partner at Armatiek BV with 11+ years focused on publication and search systems built on open standards like XML, XSLT and technologies such as Elasticsearch and Apache Solr. He has designed and delivered content and search platforms for government and archival clients (Ministry of BZK, Kadaster, Nationaal Archief) and legal publishers, and led product development for Imvertor SaaS and the open-source XSLWeb framework. Comfortable as both architect and implementer, he combines model-driven tooling (UML→JSON/XML via Imvertor) with hands-on search engineering including semantic/vector search. Based in Hoofddorp, he brings deep domain expertise in official publication workflows and a practical track record of turning complex standards into production services.
11 years of coding experience
9 years of employment as a software developer
HAVO diploma, HAVO diploma at Dr. F.H. de Bruijne Lyceum in Utrecht - HAVOBachelor of Science HTS Mechanical Engineering, Bachelor of Science HTS Mechanical Engineering at HU University of Applied Sciences Utrecht (Hogeschool Utrecht)VWO diploma, VWO diploma at Dr. F.H. de Bruijne Lyceum in Utrecht - VWO
Dutch, English, German
Github Skills (17)
stx10
xslt-stylesheet10
xslt10
xsd10
xsl-fo10
xml-schema10
schematron10
xquery9
saxon9
cocoon9
web-development9
xpath3
pytorch3
inference3
machine-learning-models2
Programming languages (4)
Github contributions (5)
Armatiek/xslweb
Jun 2015 - Mar 2022
Web application framework for XSLT and XQuery developers
Contributions:10 releases, 67 commits, 2 PRs in 6 years 10 months
xqueryxsltxslxsdxml-schema
Armatiek/Armatiek.github.io
Aug 2020 - Jan 2026
Contributions:38 pushes, 1 branch in 5 years 5 months
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