Shivan Sahib

San Francisco, California, Canada

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Summary

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Shivan Sahib is a privacy-focused software engineer with 12 years of experience, based in San Francisco and educated at McGill University. He leads privacy work at Brave, contributing full-stack to the Brave browser core where his commits tackled fingerprinting protections and feature-flagged user preferences. On the backend he’s improved Node.js cookie security and SameSite handling via contributions to the widely used tough-cookie library, addressing cookie-prefix vulnerabilities and special-use domains. Comfortable across front-end and backend stacks, he combines practical engineering with a security-first mindset to ship robust, user-protecting features. Notably, he blends browser internals expertise with open-source collaboration, regularly merging fixes that strengthen real-world privacy guarantees.

12 years of coding experience

Bachelor of Engineering (B.Eng.), Bachelor of Engineering (B.Eng.) at McGill University

Kashmiri, Punjabi, Hindi, English

Stackoverflow

Stats

737reputation

60kreached

5answers

16questions

Github Skills (17)

webbrowser10

javascript10

c-language10

browser10

security10

nodejs10

cookie10

cprogramming-language10

testing9

webkit7

heroku6

google-cloud-pubsub6

windows6

bash6

user-interface6

Programming languages (15)

BikeshedCRustMakefileTeXScalaGoHTML

Github contributions (5)

salesforce/tough-cookie

Jul 2019 - Oct 2020

RFC6265 Cookies and CookieJar for Node.js

Role in this project:

Back-end Developer

Contributions:1 release, 26 commits, 20 PRs in 1 year 3 months

Contributions summary:Shivan's primary contribution involves implementing and maintaining cookie functionalities within the Node.js environment, specifically focusing on the `tough-cookie` library. Their work includes merging branches, which suggests integration and bug fixes, as well as implementing SameSite cookie attributes. Furthermore, the user addressed cookie prefix vulnerabilities and improved the library with feature enhancements like special-use domain support. The user's contributions center on improving the robustness and security of cookie handling within the library.

node-jsjavascriptnodejscookiejarcookies

brave/brave-core

May 2021 - 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:

Full-stack Developer

Contributions:276 reviews, 75 commits, 118 PRs in 1 year 8 months

Contributions summary:Shivan's commits primarily focus on implementing and improving the Brave browser's functionality. They addressed issues related to dark mode fingerprinting protection, enhancing the browser's privacy features. The user made changes to the Brave Content Browser Client, introducing features such as preventing dark mode fingerprinting and integrating user preference options. They also worked on general bug fixes and integrating additional feature flags.

browserwindowsbrave-browserlinuxandroid

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