Wedson Filho
Software Engineer at Microsoft
Rio Grande do Norte, Brazil
Summary
🤩
Rockstar🎓
Top SchoolWedson Filho is a seasoned software engineer with 13 years of experience building high-performance, low-level systems at Microsoft, Google, and Facebook. He specializes in networking and cloud-native infrastructure, contributing to notable open-source projects like Google's netstack (improving TCP MSS negotiation and window scaling) and Kata Containers (refactoring agent code and enhancing overlay/block device support). His work shows a pragmatic focus on performance, robustness, and reducing runtime overhead through careful resource and error-handling optimizations. Trained at Universidade Estadual de Campinas and with an MSc in Software and Systems Security from Oxford, he blends deep systems expertise with security-minded design. Based in Rio Grande do Norte, Brazil, he brings production-proven engineering discipline to complex distributed and virtualization challenges.
12 years of coding experience
20 years of employment as a software developer
Master of Science - MS, Software and Systems Security, Distinction, Master of Science - MS, Software and Systems Security, Distinction at University of OxfordFederal University of Rio Grande do NorteUniversidade Estadual de Campinas
Github Skills (17)
container10
networking10
go10
overlayfs10
performance-optimization10
tcp10
virtualization10
rust10
data-structure9
kvm9
algorithm9
algorithms9
rpc9
data-structures9
k8s8
Programming languages (4)
Github contributions (5)
google/netstack
Sep 2016 - Dec 2017
IPv4 and IPv6 userland network stack
Role in this project:
Back-end Developer
Back-end DeveloperContributions:35 commits in 1 year 2 months
Contributions summary:Wedson focused on enhancing the TCP implementation within the netstack repository. Their contributions involved adding support for crucial features like Maximum Segment Size (MSS) negotiation and Window Scaling, as per RFC standards, which improved the efficiency of TCP connections. They also improved queuing between packet reader and protocol handler by switching to a bounded queue, optimizing resource use. Further enhancements included improving the performance by reducing interactions with runtime timers.
ipv4openflowbgpipv6sdn
kata-containers/kata-containers
Oct 2022 - Oct 2022
Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/
Role in this project:Back-end Developer
Back-end DeveloperContributions:35 reviews, 3 commits, 12 PRs in 1 day
Contributions summary:Wedson primarily focused on refactoring and optimizing the Kata Containers agent code. Their contributions include converting macros to functions for improved error messages, streamlining error handling, and avoiding unnecessary memory allocations. They also added features to support overlay file systems and block devices. Additionally, the user made changes to the RPC interface, modifying access control and other agent functionalities.
firecrackervirtualizationociworkloadvdi
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