Harmen Van Keimpema
.NET Software Engineer at Visma Solidbricks
Almere, Flevoland, Netherlands
Summary
👤
Senior🎓
Top SchoolHarmen Van Keimpema is a seasoned .NET software engineer with over 25 years of hands-on experience and a decade-long recent focus in professional roles, currently building solutions at Visma Solidbricks while running his own Keimpema IT consultancy. He has worked with Microsoft .NET since its inception and brings deep expertise connecting legacy systems to modern services using REST, WCF, RabbitMQ/MassTransit and a mix of web frameworks from ASP.NET MVC to AngularJS. Comfortable across the full stack, Harmen has designed and delivered financial and CMS-driven portals, high-performance market data systems, and enterprise integration projects for clients like ABN AMRO. He enjoys mentoring junior developers and translating stakeholder needs into a clear technical vision, with a pragmatic emphasis on quality and maintainability. Based in Almere, Netherlands, he blends freelance agility with corporate delivery experience—a useful combination for teams modernizing long-lived systems.
9 years of coding experience
27 years of employment as a software developer
HAVO, HAVO at Johannes Calvijn Lyceum KampenBachelor of Science (BSc), Informatics, Bachelor of Science (BSc), Informatics at Hogeschool Enschede
Stackoverflow
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Github Skills (87)
parser10
mvp10
file-parser10
nntp10
encoder10
iban10
decoder10
pix10
rgb9
esp82669
poco9
wifi9
xml9
csharp9
usenet9
Programming languages (4)
Github contributions (5)
keimpema/Mvp.Xml.NetStandard
May 2018 - Jan 2020
A .NET Standard port of the Mvp.Xml project.
Contributions:29 commits, 2 PRs, 27 pushes in 1 year 8 months
dotnetxml-projectpocomvpxml
keimpema/Saml2
Nov 2017 - Dec 2017
Contributions:2 PRs, 2 pushes, 1 branch in 18 days
aspauthenticationsaml2asp-netoauth2
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