Carsten Schaefer
Founder at G-TAC Software UG
Katzweiler, Rhineland-Palatinate, Germany
Summary
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SeniorCarsten Schaefer is a seasoned founder and software developer with over two decades of IT consulting experience and 11 years of recent hands-on development driving product-led startups from Germany. He builds trust-focused SaaS—most notably Trust, a video testimonial and rating platform that automates real customer feedback to boost conversion and reduce marketing effort. Carsten also created developer tools and consumer-facing utilities such as FolderSecurityViewer and open-source libraries DrawerJs and ImagerJs, reflecting a mix of security, UI-first design, and front-end craftsmanship. His work blends pragmatic consulting for enterprises (including Daimler and IBM clients) with product thinking for small businesses, emphasizing measurable social proof rather than vanity metrics. Known for “UI, don’t make me think” ergonomics, he favors solutions that deliver real value with minimal customer time investment. Based in Katzweiler, he combines entrepreneurial grit with a long track record of shipping interoperable tools that make trust and usability tangible.
11 years of coding experience
21 years of employment as a software developer
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (39)
html5-canvas10
gulp10
gulp-plugin10
csv-parser10
wysiwyg10
csv-parsing10
shrink10
csv-reader10
uploader9
editor9
javascript9
rotate9
csv9
canvas8
image-manipulation8
Programming languages (4)
Github contributions (5)
carstenschaefer/DrawerJs
Nov 2017 - Nov 2019
A customizable WYSIWYG HTML canvas editor.
Contributions:17 commits, 4 PRs, 14 pushes in 1 year 11 months
canvasjavascriptwysiwygwysiwyg-js-editorcustomizable
carstenschaefer/carstenschaefer.github.io
Mar 2015 - Jan 2016
Contributions:92 commits, 91 pushes, 2 issues in 10 months
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