Cyril Wanner
Senior Software Engineer at Open Systems
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolCyril Wanner is a Senior Software Engineer based in Zurich with nine years of experience building cloud-native web applications, automation, and security-focused tooling. He combines hands-on full‑stack development at Open Systems with deep AWS architecture experience from earlier lead roles, and has designed frontend/back‑end stacks and image services for high-traffic sites. As Chief Expert for SwissSkills/WorldSkills Web Technologies he coaches and evaluates top talent, reflecting both competitive and pedagogical strengths beyond typical engineering roles. An active open-source contributor, he improved next-optimized-images to add WebP conversion, responsive resizing and robust tests—demonstrating attention to performance and developer ergonomics. Colleagues know him for bridging practical engineering with skills development and for turning optimization ideas into production-ready features.
9 years of coding experience
7 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at ZHAW Zurich University of Applied SciencesInformatiker EFZ Schwerpunkt Applikationsentwicklung, Informatiker EFZ Schwerpunkt Applikationsentwicklung at Berufsbildungsschule Winterthur
Github Skills (13)
plugin10
javascript10
nextjs10
webpacker10
react10
image10
image-optimization10
webpack10
optimization10
responsive-images9
svg9
webp9
testing8
Programming languages (6)
Github contributions (5)
cyrilwanner/next-optimized-images
Mar 2018 - Aug 2020
🌅 next-optimized-images automatically optimizes images used in next.js projects (jpeg, png, svg, webp and gif).
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:28 releases, 186 commits, 49 PRs in 2 years 5 months
Contributions summary:Cyril focused on enhancing the `next-optimized-images` repository by adding features and improving existing functionality. Their contributions included optimizing images, converting images to webp format, and implementing image resizing using responsive-loader. They also implemented the ability to include images directly, force inlining images, and added support for various query parameters. Additionally, they added and improved documentation and implemented tests to improve the quality of the codebase.
next-jsjpegimagesvgrsvgo
cyrilwanner/react-optimized-image
Jun 2020 - Aug 2020
Easy to use React components for optimized-images-loader / next-optimized-images.
Contributions:43 commits, 3 PRs, 17 pushes in 1 month
reactimageoptimizationoptimizedreact-use
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