Ben Schwarz
Founder at calibreapp
Melbourne, Victoria, Australia
Summary
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RockstarBen Schwarz is a founder and full-stack software engineer with 18 years of experience building developer-focused products from Melbourne. As Founder & CEO of Calibre, he blends hands-on engineering with product leadership, shipping tooling that automates image optimization and developer workflows. His open-source contributions span front-end UI work—improving mobile modal components and CSS galleries—to infrastructure-style automation like a GitHub Action that compresses images and commits optimized assets back to repos. He favors pragmatic, test-driven engineering demonstrated by adding image comparison visuals and robust tests to his projects. Comfortable across the stack, he brings a designer’s eye to UI detail while solving practical problems that speed real-world developer pipelines.
18 years of coding experience
Github Skills (24)
github-ci10
image-gallery10
picture-gallery10
javascript10
css10
webp10
jpeg10
photo-gallery10
front-end-development10
png10
html10
githubaction-workflow10
image-compression10
testing9
git9
Programming languages (17)
Github contributions (5)
benschwarz/gallery-css
Nov 2012 - Jan 2016
CSS only Gallery
Role in this project:
Front-end Developer
Front-end DeveloperContributions:127 commits, 3 PRs, 1 push in 3 years 3 months
Contributions summary:Ben primarily contributed to the front-end aspects of the gallery-css repository. They focused on modifying the example HTML and CSS files to enhance the user interface, including the implementation of an autoplay feature and the removal of a wrapping element. The user also worked on restructuring the build process and the CSS to increase efficiency. Moreover, they updated the examples and the CSS to enhance the user experience and visual appearance.
css
calibreapp/image-actions
Apr 2019 - Dec 2022
A Github Action that automatically compresses JPEGs, PNGs, WebPs & AVIFs in Pull Requests.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:8 releases, 31 reviews, 205 commits in 3 years 8 months
Contributions summary:Ben implemented features related to image compression within a GitHub Action. They added functionality to commit optimized images, including creating blobs, trees, and commits within the repository. They also worked on configuring the action, including adding a default ignore target and integrating a visual comparison of images. Furthermore, they wrote tests for image processing output and markdown generation.
pngsperformance-monitoringimageimage-optimizationcompression
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