Cesar Talledo
Principal Engineer at Docker, Inc
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolCesar Talledo is a Principal Engineer and entrepreneur with a decade-plus career building system software, virtualization, and hardware designs—most recently at Docker after founding and leading Nestybox through acquisition. He combines deep kernel- and container-level expertise (notably contributing to the open-source Sysbox runc implementation and its integration tests) with hands-on experience from ESX hypervisor development to ASIC design. Based in San Jose, he focuses on making complex infrastructure safer and easier to operate, enabling rootless containers to run full system workloads like VMs. Cesar's background in computer engineering architecture and his rare blend of hardware and systems software experience let him solve cross-stack performance and reliability problems that others often miss.
7 years of coding experience
24 years of employment as a software developer
M.S. Computer Engineering Architecture track, M.S. Computer Engineering Architecture track at Santa Clara UniversityUniversity of California, Irvine
Stackoverflow
361reputation
258kreached
6answers
0questions
Github Skills (17)
kubernetes10
docker10
containerization10
dockers10
automation10
automation-testing10
kubernetes-pods10
automations10
devops10
test-automation10
cicd9
go8
jenkins6
google-kubernetes-engine6
mount6
Programming languages (8)
Github contributions (5)
nestybox/sysbox
Aug 2019 - Jan 2023
An open-source, next-generation "runc" that empowers rootless containers to run workloads such as Systemd, Docker, Kubernetes, just like VMs.
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:4 releases, 311 reviews, 806 commits in 3 years 5 months
Contributions summary:Cesar primarily contributed to the improvement and stabilization of the `nestybox/sysbox` project's integration tests. Their work included refactoring test setup, adding tests for core functionalities such as building and committing system containers with inner images, and enhancing the performance of existing tests by utilizing alpine-based images and image embedding. The user also addressed and resolved several issues, including bugs related to Sysbox's systemd environment within test-installer containers, and also improving the K8s-in-Docker (Kind) tests.
runcvirtualizationhybrid-clouddocker-systemdsystemd
nestybox/sysbox-pkgr
May 2023 - Dec 2024
Sysbox-pkgr repository
Contributions:35 reviews, 25 PRs, 25 pushes in 1 year 7 months
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