Casper Span
Esri Technology Developer GIS Consultant at Avineon Tensing
Berkel en Rodenrijs, South Holland, Netherlands
Summary
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Senior🎓
Top SchoolCasper Span is an experienced GIS and web application developer with nine years focused on Esri-driven solutions and a longer history in .NET and web development dating back to the early 2000s. Currently an Esri Technology Developer / GIS Consultant at Avineon Tensing, he blends hands-on C#, ASP.NET MVC and Typescript skills with deep Esri and OSGeo knowledge to deliver geospatial systems for safety and security domains. Microsoft and Esri JavaScript certifications plus a PSM1 Scrum credential reflect both technical mastery and disciplined delivery. Based in the Netherlands, he has repeatedly returned to Avineon Tensing, demonstrating sustained impact on enterprise GIS programs and long-term client partnerships. An attention to interoperable, web-based GIS architectures distinguishes his work beyond routine mapping tasks.
9 years of coding experience
13 years of employment as a software developer
Havo, Havo at Dalton-VatelBachelor of Science, Bachelor of Science at Haagse Hogeschool/TH Rijswijk
English, Dutch
Github Skills (26)
esri6
arcgis-online6
design-patterns3
dojo3
react3
web-components3
javascript3
accessibility3
typescript3
component-library2
feed1
stencil1
transit1
geoevent1
porting1
Programming languages (3)
Github contributions (5)
ctalr/streetsmart-arcmap
Apr 2019 - Jun 2019
Contributions:67 commits in 2 months
Zay/EsriJSAngular
Apr 2022 - Apr 2022
Contributions:5 pushes, 1 branch in 1 day
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