Joe Bacik
Senior PSIRT Engineer at GoDaddy
Phoenix, Arizona, United States
Summary
🤩
Rockstar🎓
Top SchoolJoe Bacik is a Senior PSIRT Engineer at Intel with over 30 years of technical, leadership, and privacy compliance experience, and 15 years of documented professional experience. He combines deep systems engineering and performance-tuning expertise—particularly in high-availability healthcare and Medicare/Medicaid environments—with privacy and GDPR program leadership, having helped a GoDaddy team win the HPE‑IAPP Privacy Innovation Award. Joe has built and led mission-critical, rules-based pharmacy claims systems, authored technical architectures and training, and automated operational tooling to keep 24x7 systems within SLAs. As an active open-source contributor, he has modernized Linux kernel FUSE code and fixed core Btrfs userland bugs, demonstrating low-level systems chops beyond his enterprise roles. Based in Phoenix, he pairs forensic troubleshooting of databases, networks, OS kernels and applications with pragmatic project controls and remediation strategies. Colleagues rely on him for bridging deep technical detail with audit-ready privacy and compliance outcomes.
15 years of coding experience
14 years of employment as a software developer
Ohio University
Github Skills (17)
filesystem10
btrfs10
fuse10
linux10
c-programming10
c1110
linux-kernel10
data-structure10
c1710
kernel10
kernel-mode10
data-structures10
transaction9
transactionscope9
transaction-manager9
Programming languages (11)
Github contributions (5)
kdave/btrfs-progs
Feb 2022 - Nov 2022
Development of userspace BTRFS tools
Role in this project:
Back-end Developer
Back-end DeveloperContributions:63 commits, 3 comments in 9 months
Contributions summary:Joe primarily focused on improving the btrfs-progs tools, a user-space set of tools for managing the BTRFS file system. Their contributions involved fixing segfaults and bugs related to the file system's data structures and internal logic, specifically related to the handling of global roots and free space trees. The user also implemented test improvements, and the code changes often involved fixing issues in the core components of the BTRFS tools.
btrfsuserspace
torvalds/linux
Dec 2022 - Mar 2023
Linux kernel source tree
Role in this project:Back-end Developer
Back-end DeveloperContributions:18 commits in 2 months
Contributions summary:Joe primarily contributed to the `fs/fuse` file system within the Linux kernel. Their work involved converting existing code to utilize folios, which included refactoring functions like `fuse_send_write_pages`, `fuse_do_readpage`, and others. The changes also included optimizations to the file system's read and write paths, such as replacing page iteration with `fuse_range_is_writeback()` and using `kiocb_modified`. These updates aimed to improve performance and modernize the fuse file system by adopting more recent kernel features.
linux-kernel
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