Kaj Nelissen
Software Engineer at Team Rockstars IT
Limburg, Netherlands
Summary
👤
Senior🎓
Top SchoolKaj Nelissen is a pragmatic full-stack software engineer with 14 years of experience building web platforms across Kotlin, Spring Boot, Angular, TypeScript and .NET ecosystems. He has delivered features, led releases and contributed to architecture for clients including IONITY, Deutsche Telekom and HSBC, blending hands-on coding with quality assurance and DevOps automation. Comfortable shifting between lead developer and product-owner responsibilities, Kaj aims to grow into a code-first software architect role rather than an ivory-tower designer. His background includes teaching software architecture to students and practical work modernizing legacy systems, showing a mix of mentorship and refactoring discipline. Based in Limburg, Netherlands, he balances deep technical focus with a collaborative team approach and a knack for automating repetitive workflows. Outside work he’s an avid table tennis player and concert-goer who brings the same energy to tackling complex engineering challenges as to family life with his young daughter.
13 years of coding experience
8 years of employment as a software developer
Gymnasium, Natuur & Techniek, Gymnasium, Natuur & Techniek at Stella Maris College MeerssenSoftware Engineering, Software Engineering at Open UniversiteitComputer Science, Computer Science at Technische Universiteit EindhovenBachelor of ICT, Information Science, Bachelor of ICT, Information Science at Hogeschool Zuyd (Maastricht, Heerlen, Sittard)
English, Dutch, German
Stackoverflow
925reputation
50kreached
9answers
23questions
Github Skills (26)
jsdoc9
devtools8
generator7
angular7
raspberry-pi6
aurelia6
nest6
documentation6
moq6
fody6
entity-framework6
android6
visual-studio6
pipe6
bluetooth6
Programming languages (2)
Github contributions (5)
kajnelissen/Sedat
Jun 2012 - Jul 2012
Contributions:75 commits in 20 days
software-architecturepipeinstallingtestinghardware
kajnelissen/jabberpoint
Apr 2016 - Apr 2016
Contributions:3 releases, 17 PRs, 34 pushes in 17 days
javadesign-patternspatterns
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