Matthias Gatto
Lead C Developer OpenSource at Outscale
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolMatthias Gatto is a Lead C developer based in Paris with 11 years of experience building and stewarding performance-critical open source networking and cloud software. He leads Outscale’s Open Source team and is the principal author of the virtual switch Butterfly and its underlying Packetgraph library, blending systems-level C expertise with team leadership. His contributions span DPDK, Libvirt/qemu drivers, Terraform integrations and practical fixes across networking stacks, reflecting deep familiarity with cloud infrastructure internals. On GitHub he has contributed to curl by implementing AWS HTTP v4 Signature support and SHA256 HMAC handling, showing he tackles subtle cryptographic and protocol correctness work. Comfortable driving proofs-of-concept and production fixes alike, he pairs hands-on coding with managing a five-person open source team. Fluent in low-level C and embedded C++ from earlier roles, he brings a pragmatic focus on robust, interoperable tooling for cloud platforms.
11 years of coding experience
1 year of employment as a software developer
EpitechJönköping University
Github Skills (13)
c1710
http10
aws10
c1110
libcurl10
sha10
clientside9
security9
webclient9
transfer8
sharing-data8
file-transfer8
data-transfer8
Programming languages (12)
Github contributions (5)
curl/curl
Jan 2020 - Jan 2022
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
Role in this project:
Back-end Developer
Back-end DeveloperContributions:74 reviews, 7 commits, 7 PRs in 2 years
Contributions summary:Matthias primarily contributed to the implementation of AWS HTTP v4 Signature support within the libcurl library. Their work included adding SHA256 HMAC support, introducing the AWS HTTP v4 Signature process, and integrating this functionality into the tool. They also made several adjustments to header computations and path encoding to ensure proper AWS signature generation, along with adding a basic test.
command-line-toolftpftpsimapldap
outscale-mgo/COGNAC
May 2022 - Jan 2023
Contributions:53 releases, 117 commits, 78 pushes in 8 months
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