Rainer Hahnekamp
Trainer Consultant at Angular Architects
Austria
Summary
🤩
Rockstar🎓
Top SchoolRainer Hahnekamp is a Google Developer Expert and seasoned Trainer/Consultant with over 11 years of experience specializing in Angular and Spring, currently delivering advanced training through the Angular Architects network. He combines hands-on engineering with teaching—producing the weekly ng-news YouTube series to distill key Angular ecosystem updates for practitioners. As a longtime self-employed developer and former development lead, he brings practical product experience across startups and enterprise engagements in Austria. Rainer is an active open-source contributor to Angular state management, notably improving signal-based APIs and migrations in the widely used NgRx platform. His background in information technology from WU and a track record of freelance and consulting work underscore an ability to translate complex architectural concerns into actionable training and robust implementations. Beyond workshops and code, he emphasizes developer ergonomics and migration paths that make advanced Angular patterns accessible to teams.
10 years of coding experience
14 years of employment as a software developer
Master's degree, Information Technology, Master's degree, Information Technology at WU (Vienna University of Economics and Business)
Stackoverflow
1,096reputation
82kreached
50answers
18questions
Github Skills (17)
ngrx10
testing10
typescript10
rxjs10
typescript-types10
state-management10
typescripts10
angular10
devtools9
eclipse6
lombok6
spring-boot6
angularjs6
jquery6
java6
Programming languages (6)
Github contributions (5)
ngrx/platform
Aug 2023 - Apr 2025
Reactive State for Angular
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:86 reviews, 45 PRs, 321 comments in 1 year 7 months
Contributions summary:Rainer primarily contributed to the `modules/signals` directory, focusing on enhancements and bug fixes related to the signal-based state management system. Their work included implementing new features such as `signalMethod` and a migration for `protectedState`. Additionally, they addressed issues in the store-devtools and component-store migrations, ensuring correct imports and functionality. These contributions improved the stability and usability of the Angular state management library.
unidirectional-data-flowrxjsstate-managementobservablesngrx
rainerhahnekamp/ngrx-toolkit
Dec 2023 - Mar 2025
Various Extensions for the NgRx Signal Store
Contributions:3 releases, 76 pushes, 63 branches in 1 year 3 months
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