Jeroen Heijmans
CTO at Infi
Randstad, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJeroen Heijmans is a pragmatic CTO and full-stack software engineer with 11 years of professional experience, leading technical teams at Infi since 2020 while still contributing hands-on as an interim tech lead. He spans the full development lifecycle—from requirements and data modeling to front- and back-end coding, automated testing, and long-term maintenance—bringing a strong systems perspective informed by an MSc in Cognitive Artificial Intelligence. A steady open-source contributor, he has improved and modernized Angular OAuth2/OIDC tooling by cleaning, refactoring, decoupling services and updating docs, showing attention to both code quality and developer experience. Based in the Randstad, he balances leadership with practical delivery, often stepping into teams to unblock technical work and raise engineering standards. Outside work he codes for fun, cooks, and games, a glimpse into a methodical yet curious problem-solver.
11 years of coding experience
14 years of employment as a software developer
High School (US), High School (US) at Mound City R-2 High SchoolMSc, Cognitive Artificial Intelligence, MSc, Cognitive Artificial Intelligence at Utrecht UniversityHigh School (VWO, NL), High School (VWO, NL) at Dalton Den Haag
English, Dutch, French, German
Stackoverflow
62,090reputation
7.3mreached
955answers
211questions
sql
top-5%
overflow
top-5%
identity
top-5%
powerbi
top-5%
twitter-bootstrap
top-5%
clr
top-5%
Github Skills (48)
javascript10
openid-connect10
css10
openidc10
gulp10
oid10
typescript10
knockoutjs10
typescript-types10
html10
typescripts10
outlook10
favicon10
oauth10
reporting-services10
Programming languages (20)
Github contributions (5)
manfredsteyer/angular-oauth2-oidc
Jun 2018 - Mar 2021
Support for OAuth 2 and OpenId Connect (OIDC) in Angular.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 18 commits, 20 PRs in 2 years 9 months
Contributions summary:Jeroen primarily contributed to the Angular OAuth2 and OpenId Connect library, demonstrating full-stack expertise. They focused on code cleanup and removing obsolete code. Additionally, they updated documentation to reflect the latest changes and improvements. Moreover, they refactored code, fixed minor issues, and decoupled OAuthService from console.
openidoidcoauth-2authenticationangular
jeroenheijmans/sample-asp-net-core-integration-tests-for-duo-apis
Jun 2020 - Feb 2021
Contributions:8 commits, 7 pushes, 1 branch in 8 months
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