Harry De Kroon
Senior Software Engineer Java Typescript Node.js Node-RED Rust at Objectif Lune
Rozendaal, Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolHarry De Kroon is a senior software engineer with over 30 years in ICT and a decade of focused experience shipping backend and embedded solutions using Java, TypeScript/Node.js, Node-RED and Rust. He combines deep technical craftsmanship—Spring/Hibernate, Docker, Rust/Go experiments and information security expertise—with a pragmatic advisory mindset, having worked across utilities, education, and government domains. Colleagues describe him as friendly, modest and team-oriented; he actively builds bridges between stakeholders and contributes operationally as well as strategically. Harry excels at turning complex business processes into timely, secure information flows and is comfortable proposing creative, technically grounded solutions. Based in Rozendaal, Netherlands, he brings a rare mix of hands-on engineering, security consulting (CISSP-trained background) and facilitation skills that keep projects moving and teams aligned.
10 years of coding experience
15 years of employment as a software developer
Ciber Managed Services ITIL v3 trainingPro EducationBachelor of Science, Bachelor of Science at Hogeschool van UtrechtCISSP, CISSP at Cibit: CISSP CBK training
English, Dutch, German
Stackoverflow
57reputation
735reached
3answers
4questions
Github Skills (78)
node-red10
javascript10
flow-based-programming10
visual-programming10
cqrs9
api9
low-code9
lua9
plugin9
event-driven9
neovim9
event-sourcing9
text-editor9
typescript9
cucumber9
Programming languages (6)
Github contributions (5)
HaKr/household-bookkeeping
Nov 2019 - Mar 2025
Web server for the household bookkeeping app
Contributions:14 PRs, 35 pushes, 28 branches in 5 years 4 months
bookkeepingweb-serverhousehold
HaKr/rusty-core
Dec 2022 - Jan 2023
Contributions:18 releases, 64 commits, 59 pushes in 15 days
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