Lucas Radaelli
Senior Software Engineer at Google
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolLucas Radaelli is a Senior Software Engineer based in San Francisco with seven years of professional experience and deep expertise in C++ and Rust. At Google he focuses on accessibility engineering, contributing to high-profile open-source projects like Flutter and Chromium where he improved semantic roles, flow control for semantics updates, and image annotation to make interfaces more usable on platforms such as Fuchsia. He combines systems-level thinking with a strong attention to robustness and debugging—evident from adding inspect data and hardening object initialization paths in Blink. A computer science graduate of Universidade Federal do Paraná who also studied at KIT, Lucas enjoys tackling subtle correctness and accessibility problems that quietly improve large-scale user experiences.
7 years of coding experience
Computer Science, Computer Science at Karlsruhe Institute of Technology (KIT)Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Universidade Federal do Paraná
Github Skills (11)
accessibility10
chromium10
c-language10
flutter-game10
fuchsia10
cpp10
cprogramming-language10
cplus10
flutter-apps10
flutter10
javascript4
Programming languages (5)
Github contributions (5)
flutter/engine
Sep 2020 - Apr 2022
The Flutter engine
Role in this project:
Accessibility Specialist
Accessibility SpecialistContributions:18 reviews, 5 commits, 5 PRs in 1 year 7 months
Contributions summary:Lucas primarily focused on enhancing accessibility features within the Flutter engine, specifically for Fuchsia. They implemented and modified code related to the accessibility bridge, ensuring correct handling of semantic node roles like button, header, and slider. Furthermore, the user introduced inspect data to facilitate debugging and added flow control mechanisms to manage semantics updates. The contributions directly improve accessibility for users of Flutter applications on the Fuchsia platform.
flutterflutter-enginec-plus-plus
chromium/chromium
Oct 2020 - Aug 2021
The official GitHub mirror of the Chromium source
Role in this project:Accessibility Specialist
Accessibility SpecialistContributions:13 commits in 10 months
Contributions summary:Lucas's primary contribution focuses on enhancing accessibility within the Chromium project, specifically within the Blink rendering engine's accessibility layer (a11y). They implemented and relanded changes to ensure proper initialization of accessibility objects before their `ToString()` method is called. The user also addressed issues related to how `NextOnLine` and `PreviousOnLine` methods function and how the `MockAXObject.ToString()` method works. Furthermore, they contributed to image annotation and adjusted the threshold for image alt text.
chromiumgithub-mirrorchrome
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