Antonio Vicente
Software Engineer at Cloudflare
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolAntonio Vicente is a software engineer based in San Francisco with deep expertise in high-performance networking, load balancing, and transport protocols accumulated over a career spanning major infrastructure roles at Google, Fastly, and Cloudflare. He has hands-on experience implementing and maintaining critical reverse proxy and load balancer systems (GFE, Envoy) and now focuses on QUIC congestion control and performance at the CDN edge. A contributor to prominent open-source projects, he has worked on protocol-level HTTP/2 and HTTP/3 features in the H2O server and on Cloudflare’s quiche QUIC stack, reflecting a strong commitment to evolving internet standards via IETF engagement. Antonio pairs production-facing reliability work with measurement infrastructure and product rollouts, having moved privacy and onboarding features into production at Fastly. His background spans both systems and networking from early telecom and desktop CAD work to large-scale cloud services, giving him uncommon breadth across protocol design, implementation, and operational reliability.
2 years of coding experience
19 years of employment as a software developer
BS, Computer Science, BS, Computer Science at Massachusetts Institute of Technology
English, Spanish
Github Skills (5)
c1710
http10
c1110
network-protocol10
quic9
Programming languages (2)
Github contributions (4)
h2o/h2o
Nov 2023 - Jun 2024
H2O - the optimized HTTP/1, HTTP/2, HTTP/3 server
Role in this project:
Back-end Developer
Back-end DeveloperContributions:21 reviews, 5 PRs, 26 comments in 7 months
Contributions summary:Antonio contributed to the core functionality of the H2O server, focusing on HTTP/2 and HTTP/3 protocol implementations. Their commits addressed the handling of the CONNECT method and the implementation of RFC 9298 and draft03 support for CONNECT-UDP tunnels within the HTTP client. The changes modified various files including `h2o/http2/hpack.c`, `lib/http3/qpack.c`, and `src/httpclient.c` to support extended connect features.
h2ohttp-clientfiddlerhttp2optimized
antoniofastly/h2o
Nov 2023 - Mar 2024
H2O - the optimized HTTP/1, HTTP/2, HTTP/3 server
Contributions:9 pushes, 4 branches in 3 months
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