Fabio Falzoi
Senior Software Engineer, Isovalent At Cisco
Pontedera, Tuscany, Italy
Summary
🤩
Rockstar🎓
Top SchoolFabio Falzoi is a Senior Software Engineer with 12 years of experience specializing in low-level systems and backend development using Go, C, C++ and Python, currently at Isovalent (Cisco). He builds and debugs kernel-adjacent software—eBPF, Linux drivers and language runtimes—and has practical experience shipping distributed Go services for IoT and cloud. A regular open-source contributor and conference speaker, he has contributed to high-profile projects like the Linux kernel, the Go runtime, the Delve debugger and Cilium’s eBPF libraries, improving examples, configuration safety and deployment workflows. Fabio also mentors engineers and teaches advanced Go topics such as concurrency, profiling and tracing, blending hands-on coding with developer education. Based in Pontedera, Italy, he combines systems-level curiosity with production-grade delivery, often surfacing subtle runtime and deployment issues before they reach users.
12 years of coding experience
10 years of employment as a software developer
Master's degree Computer Engineering, Master's degree Computer Engineering at Università di Pisa
Italian, English
Stackoverflow
1reputation
0reached
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Github Skills (17)
kubernetes10
ebpf10
configuration-management10
linux10
go10
kubernetes-pods10
golang10
btdf10
cicd9
iptables9
error-handling9
networking8
documentation7
sh6
shell6
Programming languages (7)
Github contributions (5)
cilium/cilium
May 2022 - Apr 2025
eBPF-based Networking, Security, and Observability
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:784 reviews, 222 PRs, 41 pushes in 2 years 11 months
Contributions summary:Fabio primarily focused on enhancing the configuration management and operational aspects of the Cilium project. Their work involved validating and fixing issues within the configuration files loaded from ConfigMaps, ensuring type safety, and addressing potential conversion errors. Additionally, the user contributed to improvements in the deployment process and documentation for features like the Egress Gateway. Their contributions demonstrate a strong understanding of the project's configuration mechanisms and its deployment procedures.
bpfcontainerskerneltroubleshootingkubernetes-networking
cilium/ebpf
Sep 2021 - Nov 2021
ebpf-go is a pure-Go library to read, modify and load eBPF programs and attach them to various hooks in the Linux kernel.
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 reviews, 14 commits, 5 PRs in 2 months
Contributions summary:Fabio contributed to the `cilium/ebpf` repository by implementing various examples and making improvements to existing ones. Their work includes adding a new example for the RINGBUF map type and correcting errors within existing examples. Furthermore, the user made adjustments to the code, refactoring certain parts of the code. These changes demonstrate a focus on the functionality and the maintenance of the example code for the eBPF library.
golangkernelattachebpf-programsgo-library
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