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Jorge Leandro Perez

PROFILE

Jorge Leandro Perez

Over seven months, this developer contributed to the duckduckgo/apple-browsers repository by building and refining a dynamic theming system, enhancing tab animations, and improving onboarding and memory workflows for macOS and iOS. Their work emphasized scalable design systems, feature flag management, and robust UI/UX development using Swift, SwiftUI, and AppKit. They implemented persistent theme management, live UI updates, and extensive test coverage, while also addressing performance, memory instrumentation, and telemetry. Through code refactoring, protocol-oriented programming, and CI/CD integration, they delivered features that improved user experience, reliability, and maintainability, balancing business value with technical depth and cross-platform consistency.

Overall Statistics

Feature vs Bugs

61%Features

Repository Contributions

153Total
Bugs
33
Commits
153
Features
52
Lines of code
21,538
Activity Months7

Work History

March 2026

10 Commits • 2 Features

Mar 1, 2026

March 2026 performance summary for duckduckgo/apple-browsers: Delivered user-facing Tab Animations polish and stability, fixed critical rendering bug in tab transitions, and streamlined startup telemetry. These efforts improved UI responsiveness, visual consistency, and data reliability, supporting faster release readiness and better user experience with clearer metrics for optimization.

February 2026

24 Commits • 8 Features

Feb 1, 2026

February 2026 performance summary: Delivered onboarding UX improvements, macOS memory workflow tuning, and CI/test reliability enhancements across two repos. Focused on business value: smoother onboarding, more stable startup behavior, reduced technical debt, and improved observability. Notable work spans platform-specific memory activation tuning, extensive onboarding UI/UX changes and tests, and codebase cleanup to minimize risk while enhancing instrumentation.

January 2026

26 Commits • 11 Features

Jan 1, 2026

Concise monthly summary for 2026-01 focusing on deliverables, major fixes, business value and technical achievements. Highlights include expanded test coverage for Theme Manager, memory instrumentation and telemetry groundwork, reliability improvements in Watchdog timing, UI/theme polish, and security/auth workflow enhancements.

December 2025

35 Commits • 19 Features

Dec 1, 2025

December 2025: Delivered UX and design-system enhancements across the duckduckgo/apple-browsers suite, focusing on favicon UX, theming, and UI polish. Key business value includes more consistent user experience, fewer visual glitches, and faster iteration via testing and feature flags.

November 2025

28 Commits • 8 Features

Nov 1, 2025

November 2025 was focused on completing and stabilizing a major rewrite of the macOS Pinned Tabs experience, expanding the Tabs progress UX, and improving favicon handling and tab animations. The work balanced risk with business value by gating breaking changes behind feature flags, enabling controlled rollout and internal validation while continuing UX improvements and performance. In parallel, cleanup and consolidation activities reduced long-term maintenance by removing legacy SwiftUI paths and deprecated flags.

October 2025

20 Commits • 1 Features

Oct 1, 2025

October 2025 delivered an end-to-end Dynamic Theme System and Theming UI for the macOS DuckDuckGo Apple Browsers app, enabling live theme updates and automatic UI refreshes. The work established a scalable design-system approach with ThemeManager, ThemeStyle, and ThemeDefinition, and introduced internal-user gating and an Appearance UI with live previews. The implementation spans core UI surfaces (address bar, tabs, bookmarks, passwords, AI chat, downloads, popovers, and preferences) and is complemented by unit tests and design-system alignment efforts. The refactor to design-system primitives and internal flag governance positions us for safe, scalable rollouts and faster UX iterations.

September 2025

10 Commits • 3 Features

Sep 1, 2025

September 2025 monthly summary for duckduckgo/apple-browsers focusing on cross-platform parity, a scalable theming framework, and quality improvements that drive user value and developer velocity.

Activity

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Quality Metrics

Correctness96.8%
Maintainability88.0%
Architecture89.2%
Performance87.8%
AI Usage29.4%

Skills & Technologies

Programming Languages

BashJSONObjective-CShellSwiftXMLYAMLbashyaml

Technical Skills

AnimationAnimation DesignAnimation HandlingAppKitCI/CDCocoaCode RefactoringCodebase ConsistencyColor ManagementColor ThemingColor TheoryCombineCombine FrameworkCross-platform DevelopmentDebugging

Repositories Contributed To

2 repos

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

duckduckgo/apple-browsers

Sep 2025 Mar 2026
7 Months active

Languages Used

SwiftObjective-CXMLJSONBashShellYAMLbash

Technical Skills

Color ManagementColor ThemingColor TheoryCombine FrameworkCross-platform DevelopmentDesign Systems

duckduckgo/privacy-configuration

Nov 2025 Feb 2026
2 Months active

Languages Used

JSON

Technical Skills

configuration managementversion control