Donald Chan
Senior Site Reliability Engineer at PEAK6
Chicago, Illinois, United States
Summary
🤩
Rockstar🎓
Top SchoolDonald Chan is a Senior Site Reliability Engineer based in Chicago with 11 years of experience building performant, resilient web systems across finance and consumer tech. He has led performance and SRE efforts at PEAK6 and Cars.com after a consulting foundation at Accenture, Deloitte, and Apogee, blending hands-on load testing, monitoring, and incident diagnosis with team leadership. Comfortable across full-stack JavaScript and Python, he also contributes to open-source front-end tooling—improving a browser image compression library with UI polish, Next.js examples, and UX features like progress indicators and previews. Known for turning performance data into actionable fixes, he pairs rigorous testing practices with pragmatic delivery to reduce production pain.
10 years of coding experience
14 years of employment as a software developer
Bachelor of Science, Computer Science & Engineering, Bachelor of Science, Computer Science & Engineering at University of Pennsylvania
Stackoverflow
1reputation
0reached
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0questions
Github Skills (4)
html10
css10
javascript10
react7
Programming languages (4)
Github contributions (5)
Donaldcwl/browser-image-compression
Jul 2017 - Aug 2022
Image compression in web browser
Role in this project:
Front-end Developer
Front-end DeveloperContributions:24 releases, 249 commits, 65 PRs in 5 years 2 months
Contributions summary:Donald primarily focused on modifying and updating the example HTML files, introducing new features and improvements to the user interface. Their contributions included adding options for version control, integrating CSS animations, incorporating progress indicators, and implementing functionalities like downloading compressed images and displaying image previews. Furthermore, the user was responsible for updating the example code to align with the current version of the library and adding a new Next.js app example.
imageimage-optimizationbrowserimage-uploadcompress-image
Donaldcwl/async-parallel-foreach
Jan 2019 - Jan 2019
Contributions:5 releases, 8 commits, 6 pushes in 4 days
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