Arthur Edelstein
Creator
California, United States
Summary
🤩
Rockstar🎓
Top SchoolArthur Edelstein is a privacy-focused software engineer and product leader with 15 years of experience building browser privacy features and tooling. He has shipped core protections at Tor, led privacy product work at Mozilla (including Enhanced Tracking Protection, Total Cookie Protection, and HTTPS initiatives), and contributed backend privacy engineering to Brave’s browser core. As creator and maintainer of PrivacyTests.org he runs weekly automated audits that make browser privacy performance transparent to the public. Based in California with a PhD-level scientific background, he combines rigorous research habits with hands-on engineering—often surfacing subtle fingerprinting and query-parameter leaks and turning them into concrete mitigations.
15 years of coding experience
16 years of employment as a software developer
PhD, Physics, PhD, Physics at University of California, BerkeleyBS, Physics, BS, Physics at University of Illinois Urbana-Champaign
Stackoverflow
1,567reputation
99kreached
9answers
2questions
clojure
top-5%
dictionary
top-5%
Github Skills (15)
c-language10
cprogramming-language10
dictionary9
clojure9
testing7
map-function6
leiningen6
eclipse6
ipython6
netbeans6
python6
clojure-clr6
intellij-idea6
java6
javascript4
Programming languages (20)
Github contributions (5)
brave/brave-core
May 2022 - Jan 2023
Core engine for the Brave browser for mobile and desktop. For issues https://github.com/brave/brave-browser/issues
Role in this project:
Back-end Developer
Back-end DeveloperContributions:618 reviews, 64 commits, 185 PRs in 8 months
Contributions summary:Arthur primarily focused on modifying the core engine for the Brave browser. Their contributions included implementing conditional query parameter stripping, adding unit tests to validate the changes, and addressing related issues. They also made changes related to anti-fingerprinting efforts, modifying API behavior to hide screen size and window position data, and adjusting media query handling. Furthermore, they have also made changes to HTTPS upgrade interceptor and webcompat exceptions service.
brave-browsermobile
arthuredelstein/survivalscores.org
Aug 2022 - May 2025
human survival metrics website
Contributions:108 pushes, 1 branch, 1 issue in 2 years 10 months
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