Yuval Kashtan
Senior Principal Software Engineer at מן השדה من الطبيعة
Greater Boston United States
Summary
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RockstarYuval Kashtan is a Senior Principal Software Engineer based in Greater Boston with 16 years of experience architecting low-latency, real-time Kubernetes platforms for Telco/5G workloads and leading security initiatives. As a Red Hat engineering lead and long-time founder/consultant, he blends hands-on systems and kernel-level expertise with product and architecture leadership across cloud, storage, and embedded domains. He has a proven track record hardening critical open-source projects—such as security contributions to the widely used metallb Kubernetes load-balancer—fixing vulnerabilities and tightening file/permission handling. Yuval’s background spans Linux kernel hacking, performance tuning for DB and VM stacks, and creative protocol and embedded-system solutions, often delivering pragmatic security and performance improvements under tight constraints. He frequently operates at the intersection of product, research and operations, shrinking development time and cost while enabling auditable, secure systems. Colleagues describe him as an engineer who turns thorny low-level problems into reliable, deployable platforms.
16 years of coding experience
10 years of employment as a software developer
Hebrew, English
Github Skills (7)
it-security10
kubernetes10
go10
kubernetes-pods10
security10
dockers7
docker7
Programming languages (15)
Github contributions (5)
metallb/metallb
Nov 2022 - Nov 2022
A network load-balancer implementation for Kubernetes using standard routing protocols
Role in this project:
Security Engineer
Security EngineerContributions:9 reviews, 10 commits, 1 PR in 1 day
Contributions summary:Yuval's contributions primarily focus on improving the security posture of the `metallb/metallb` project. They addressed security vulnerabilities identified by gosec, fixing unsafe defer calls, and mitigating potential risks related to file path handling (G304). Furthermore, the user implemented fixes related to default file permissions and adjusted the `frr-metrics` service to reduce security risks. These changes reflect a commitment to enhancing the project's overall security and robustness.
bare-metalbalancerprotocolsarpospf
yuvalk/machine-config-operator
Feb 2021 - Aug 2023
Contributions:1 PR, 17 pushes, 4 branches in 2 years 6 months
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