Valentin Gosu
Software Engineer at Mozilla
Stockholm, Stockholm County, Sweden
Summary
🤩
Rockstar🎓
Top SchoolValentin Gosu is a software engineer with 14 years of experience focused on browser networking and protocol implementation, currently working at Mozilla in Stockholm. He has deep, practical expertise in HTTP/2 and HTTP/3 stream prioritization, Network Error Logging, and QUIC through sustained contributions to Gecko, Neqo, and web-platform-tests. Valentin’s work spans both implementation and testing—improving URL parsing robustness in rust-url and hardening web standards conformance via WPT—demonstrating a rare combination of protocol-level insight and quality-driven engineering. His ongoing role on Gecko’s networking stack and background in low-level networking bugs reveal a talent for untangling subtle interoperability and performance issues.
14 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Computer Science and Engineering, Bachelor's degree, Computer Science and Engineering at Universitatea „Politehnica” din București
English, French, Romanian
Github Skills (23)
javascript10
testing10
http10
url-parsing10
networking10
web-standards10
network-protocol10
quic10
html10
logging10
rust10
idn10
test-automation10
c-language9
browser9
Programming languages (19)
Github contributions (5)
servo/rust-url
Feb 2015 - Oct 2022
URL parser for Rust
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 releases, 97 reviews, 101 commits in 7 years 9 months
Contributions summary:Valentin primarily contributed to the core functionality of the `rust-url` library. They implemented features like parsing and handling of URLs, including the integration of IDNA support for internationalized domain names, crucial for handling different character sets. Further contributions include modifications related to the handling of username and password components, and the overall parsing behavior of URLs, improving the library's robustness and compliance with URL specifications. They also addressed several issues related to the correct parsing and serialization of URLs.
rusturl-parserurl-parsingparser
mozilla/gecko-dev
Apr 2014 - Jan 2023
Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html
Role in this project:Back-end Developer
Back-end DeveloperContributions:1828 commits in 8 years 11 months
Contributions summary:Valentin primarily focused on networking-related bug fixes and feature additions within the Gecko browser engine. They worked on areas like HTTP/2 and HTTP/3 stream prioritization and error handling. The user also contributed to Network Error Logging (NEL) implementation and other networking components, showing a focus on network protocol implementation.
repositoriesfirefoxmercurialgit-mirrormozilla
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.