Zac Medico
Release Engineer at PlayStation
San Clemente, California, United States
Summary
🤩
Rockstar🎓
Top SchoolZac Medico is a Release Engineer with 20 years of experience building reliable release pipelines and backend infrastructure, currently based in San Clemente, California and working at PlayStation after a stint at Gaikai. He brings deep hands-on expertise in storage, databases, and package management—demonstrated by open-source contributions to container storage libraries, the distributed rqlite SQLite-based database, and Gentoo's Portage system. Zac’s work emphasizes robustness and security, from implementing lock sanity checks and extended attribute support to adding trusted root CA handling and direct sqlite driver integrations. A longtime Portage project lead, he combines systems-level thinking with practical release engineering to prevent data corruption and dependency failures in production. His background in chemistry and years teaching computer labs reflect an analytical, methodical approach and an ability to explain complex tooling to diverse audiences.
20 years of coding experience
Saddleback CollegeBachelor of Science (BS), Chemistry, Bachelor of Science (BS), Chemistry at California State University-Fullerton
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (33)
podman10
git10
container10
sqlite10
python10
buildah10
go10
sql10
version-control10
distributed-database10
relational-databases10
dependency-resolution10
system-programming9
tls129
code-optimization9
Programming languages (10)
Github contributions (5)
gentoo/portage
Aug 2009 - Nov 2022
[MIRROR] Package management system
Role in this project:
Back-end Developer
Back-end DeveloperContributions:450 reviews, 1909 commits, 715 PRs in 13 years 5 months
Contributions summary:Zac made several contributions to the Portage package management system, focusing on improvements to the metadata handling and dependency resolution. Their commits show the application of English language preferences in metadata parsing, and adjustments to the slot conflict and dependency cycle handling, thereby improving reliability and performance for users. The user also developed enhancements to package installation, incorporating stricter behavior related to build configuration settings and features related to handling of binary package features and dependencies.
management-systempythongentoopackage-managerportage
containers/storage
Aug 2018 - Nov 2019
Container Storage Library
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits, 4 PRs, 15 comments in 1 year 3 months
Contributions summary:Zac primarily contributed to the core functionality of the container storage library. Their work focused on implementing lock sanity checks within the `Save()` methods across multiple store types to prevent data corruption. The user also implemented methods for determining if a store is locked and added support for user.* extended attributes (xattrs) for enhanced container capabilities. These modifications improve the stability and feature set of the storage library.
containersvagrantpodmanskopeostorage
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