Maarten Grootoonk
TechLead (via Sopra Steria) at MINDEF (NL)
Nijmegen, Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolMaarten Grootoonk is a seasoned software architect and tech lead with 10 years of experience designing and delivering enterprise solutions in the Microsoft ecosystem, specializing in .NET, C#, and modern front-end frameworks like Angular and React. He combines hands-on full-stack development with leadership roles at MINDEF, Sopra Steria and Ordina, guiding teams from implementation to architectural decisions. An active trainer and speaker, he regularly runs workshops and talks on Azure and .NET, translating complex cloud concepts into practical guidance for practitioners. Maarten’s background spans both Scrum leadership and deep engineering, reflecting a pragmatic blend of people-first leadership and technical craftsmanship. Based in Nijmegen, he balances enterprise work with numerous side projects, showing a continual appetite for experimentation beyond his professional engagements.
10 years of coding experience
10 years of employment as a software developer
mbo niveau 4 applicatie ontwikkelaar, Computer Software Engineering, mbo niveau 4 applicatie ontwikkelaar, Computer Software Engineering at AventusHBO Bachelor HBO-ICT, Computer Science, HBO Bachelor HBO-ICT, Computer Science at HAN University of Applied Sciences
English, Dutch
Stackoverflow
5,757reputation
437kreached
260answers
2questions
php
top-5%
laravel
top-5%
Github Skills (95)
parser10
abstract-syntax-tree10
google-maps10
csharp10
dotnet9
laravel9
code-generator9
azure9
maps9
asp-net-core9
code-generation9
code-analysis9
fsharp9
mapview9
asp-net9
Programming languages (10)
Github contributions (5)
MaartenGDev/multi-questions
Nov 2017 - Sep 2021
React SPA to practice questions with multiple answers
Contributions:2 PRs, 11 pushes, 2 branches in 3 years 11 months
reactspapractice-questionsreact-spareactjs
MaartenGDev/christmas-api
Jan 2018 - Jun 2021
Laravel REST API with JWT authentication
Contributions:8 PRs, 89 pushes, 3 branches in 3 years 5 months
apiauthenticationlaravel-rest-apirestjwt-authentication
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