Jeffrey Tummers
Senior Software Engineer at ShipitSmarter
Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolJeffrey Tummers is a Senior Software Engineer with over a decade of experience building web applications, specializing in SharePoint integrations and Microsoft-centric stacks. He has progressed from internships and early development roles into enterprise-grade work at PGGM and now leads engineering efforts at ShipitSmarter, blending C#, ASP.NET MVC and front-end technologies to deliver practical business solutions. His background includes deep SharePoint 2007/2010 expertise alongside SQL, PHP and JavaScript, making him comfortable across both legacy intranet platforms and modern web stacks. Colleagues value his curiosity for new developments and his knack for taking on challenging projects that bridge Internet-facing sites and internal collaboration systems. Based in Gelderland, Netherlands, he brings a pragmatic, hands-on approach informed by formal technical computer science training and years of real-world SharePoint problem solving.
11 years of coding experience
12 years of employment as a software developer
Technische Informatica, Bachelor, Technical Computer Science, Technische Informatica, Bachelor, Technical Computer Science at Hogeschool Zuyd (Maastricht, Heerlen, Sittard)
Dutch, English, German
Github Skills (83)
templating-engine10
handlebars10
entity-framework-core10
templating10
mustache10
dotnet9
codegen9
nswag9
angular9
swagger9
code-generation9
scripting-language9
openapi9
aurelia9
azure-pipelines9
Programming languages (11)
Github contributions (5)
ShipitSmarter/ShipitSmarter.Core
Nov 2022 - Apr 2024
Contributions:24 reviews, 37 PRs, 58 pushes in 1 year 5 months
ShipitSmarter/vscode-stitch
Feb 2021 - Jan 2026
A Visual Studio Code extension to create Stitch integrations
Contributions:15 releases, 24 reviews, 60 PRs in 4 years 11 months
visual-studio-codevscodevscode-extensionvisual-studio-code-extensionintegrations
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