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Francois Marier

PROFILE

Francois Marier

Francois worked on privacy and security enhancements across the brave/brave-core and brave/brave-core-crx-packager repositories, focusing on browser development and secure packaging. He implemented tracker parameter stripping in URL handling, removing identifiers from services like Emarsys, ConvertKit, and Tiktok to reduce data leakage and improve user privacy. Francois upgraded Tor, OpenSSL, and zlib dependencies, ensuring stable, verified distributions and mitigating vulnerabilities through diligent dependency management and npm audit compliance. His work in C++, JavaScript, and JSON included refining autofill and form security for onion sites, clarifying CLI behaviors, and maintaining robust build scripting, demonstrating depth in privacy-focused browser engineering.

Overall Statistics

Feature vs Bugs

78%Features

Repository Contributions

12Total
Bugs
2
Commits
12
Features
7
Lines of code
439
Activity Months6

Work History

March 2026

1 Commits

Mar 1, 2026

Security-focused maintenance for brave-core-crx-packager in 2026-03: mitigated known vulnerabilities by patching dependencies and updating package-lock.json, improving integrity and compliance in the CRX packaging pipeline. No new features delivered this month; focus was on risk reduction and stability.

February 2026

3 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for brave-core-crx-packager: Delivered security and performance improvements by upgrading the Tor client and core libraries, and fixed a security vulnerability reported by npm audit. The changes improve security posture, performance, and packaging reliability for Brave Core users.

August 2025

4 Commits • 2 Features

Aug 1, 2025

August 2025: Brave-core delivered two privacy-focused features and resolved key tracker-related issues in brave/brave-core. The privacy enhancement expanded the query string tracker filtering to remove tiktok's ttclid and gbraid, and to include sms_click, sms_source, and sms_uph in the simple trackers list. The UX improvement clarified that the --tor CLI switch is mainly for testing and that some updates (e.g., adblock list updates) may not go through the Tor proxy. Together with fixes removing Tiktok's click ID, gbraid, and Bounce Exchange trackers, these changes reduce tracker leakage, improve user privacy, and enhance user understanding of privacy controls. The work demonstrates proficiency in tracker filtering logic, CLI UX messaging, and end-to-end feature delivery in Brave Core, across 4 commits in 2 features.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for brave-core focusing on security context improvements for forms on onion services and related UX. Delivered critical integration to treat Onion sites (.onion) as secure contexts for form warnings and autofill, improving both security posture and user experience on privacy-focused networks.

March 2025

1 Commits • 1 Features

Mar 1, 2025

Monthly summary for 2025-03 focusing on delivering a privacy-focused feature in brave-core and reinforcing data quality. The standout delivery is a feature to strip ConvertKit tracker parameters from URLs, including unsubscribe paths, to prevent unwanted tracking. The work aligns with privacy goals and reduces analytics noise, contributing to user trust and compliance while maintaining performance and code quality.

January 2025

2 Commits • 2 Features

Jan 1, 2025

January 2025: Privacy and packaging hardening across Brave core ecosystems. Focused on delivering privacy improvements and secure distribution across Brave core and packager. Key features delivered: 1) User Privacy: Removed Emarsys/Scarab tracker parameters from URLs to prevent tracker leakage, enhancing user privacy and reducing data exposure (commit 7ab5884e0a4337c40be5c9f7e643fd6182fbaf63). 2) Packaging/security: Upgraded Tor client to 0.4.8.13, refreshed Brave client version to 0, and updated platform checksums (and OpenSSL to 3.4.0) to ensure stable, verified distributions (commit 2cdde461c70a072c05707ab7660e0edf6a152276).

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++JSONJavaScript

Technical Skills

AutofillBrowser DevelopmentBrowser SecurityBuild ScriptingC++CLI Argument HandlingDependency ManagementDocumentationJavaScriptJavaScript developmentNetwork SecurityPrivacyURL Filteringdependency managementfull stack development

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

brave/brave-core

Jan 2025 Aug 2025
4 Months active

Languages Used

C++

Technical Skills

PrivacyURL FilteringAutofillBrowser SecurityC++Network Security

brave/brave-core-crx-packager

Jan 2025 Mar 2026
3 Months active

Languages Used

JavaScriptJSON

Technical Skills

Build ScriptingDependency ManagementJavaScriptJavaScript developmentfull stack developmentpackage management