Anselm Hannemann
Frontend Developer And Webdesigner at Anselm Hannemann Webdevelopment
Iffeldorf, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolAnselm Hannemann is a freelance web developer, engineering manager and agile coach with over 18 years of experience delivering fast, accessible and scalable frontends for clients of all sizes from Bavaria, Germany. He combines hands-on front-end architecture and full-stack work (Next.js, Postgres) with team coaching and organizational change, helping teams adopt pragmatic workflows and improve delivery. His background includes building unified component libraries, large refactors that dramatically improved frontend performance, and work on realtime, high-throughput APIs and AI-driven features. Anselm is also an active community organizer and founder of developer events and platforms, and an open-source contributor (notably improving a pure-CSS modal with responsive and media features). He’s known for turning messy legacy stacks into lean, maintainable systems while keeping user experience and accessibility at the forefront.
14 years of coding experience
14 years of employment as a software developer
Abitur (equals High School Diploma), Abitur (equals High School Diploma) at Jakob-Brucker Gymnasium Kaufbeuren
German, English, French
Github Skills (5)
html10
css10
responsive-design10
javascript8
sass5
Programming languages (15)
Github contributions (5)
drublic/css-modal
Mar 2013 - Jan 2015
A modal built with pure CSS, enhanced with JavaScript
Role in this project:
Front-end Developer
Front-end DeveloperContributions:39 commits, 1 PR, 1 branch in 1 year 10 months
Contributions summary:Anselm primarily contributed to the front-end development of the CSS modal. They implemented responsive design elements, fixed layout and text bugs, and added features such as a close button with a mobile-friendly data attribute and HTML5 video playback integration. The user also refactored and improved the resizing functionality for different screen sizes and image formats and updated the modal's syntax.
javascriptpurecsscsscss-modalsass
nightlybuild-conference/nightlybuild-io-2016
Apr 2016 - Mar 2017
Contributions:19 PRs, 41 pushes, 22 branches in 11 months
reactcolognecssinspirationhand
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