Jason King
Consulting Engineer at RackTop Systems
Houston, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolJason King is a seasoned consulting engineer with 14 years of experience specializing in Unix/Solaris systems, compiler porting, and core infrastructure. Based in Houston, he has a strong track record at companies like RackTop Systems and Joyent and earlier led large-scale Solaris operations at Sprint and JP Morgan Chase. Jason is an active open-source contributor on low-level projects—improving the LDC D compiler, illumos, Rust libc, OpenZFS, and the DMD compiler—focusing on platform portability, threading, and kernel-ish tooling. He combines systems administration chops (networking, VPN migrations, storage, HA clustering) with deep back-end development skills that prevent data corruption and harden runtime behavior. Notably, his open-source work shows a recurring strength in making complex cross-platform codebases work reliably on Solaris/illumos. He holds a B.S. in Computer Engineering from the University of Kansas and brings a pragmatic, multidisciplinary approach to solving production reliability problems.
14 years of coding experience
11 years of employment as a software developer
University of Kansas
Github Skills (38)
debugging10
programming-language10
filesystem10
openzfs10
il10
unix10
system-programming10
llvm10
c1110
dword10
c1710
system10
lua10
compiler-compiler10
solaris10
Programming languages (13)
Github contributions (5)
illumos/illumos-gate
Nov 2011 - Oct 2022
An open-source Unix operating system -- this is a read-only mirror of the official repository at https://code.illumos.org/plugins/gitiles/illumos-gate
Role in this project:
Back-end Developer
Back-end DeveloperContributions:42 commits, 7 comments in 11 years 1 month
Contributions summary:Jason primarily contributed to the `illumos/illumos-gate` repository by modifying source code related to the `dis` command and the `ctfconvert` tool, which are tools related to debugging and analyzing compiled code. Their work included fixing crashes in `dis` during kernel-ish disassembly, enhancing VLA support within `ctfconvert` for DWARF objects, and modifying the removal of CTF information for closed binaries. Additionally, the user contributed to documentation.
operating-systemunixillumosos
rust-lang/libc
Feb 2019 - Feb 2021
Raw bindings to platform APIs for Rust
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 commits, 5 PRs, 26 comments in 2 years 1 month
Contributions summary:Jason primarily contributed to the `libc` repository by adding and modifying platform-specific definitions and functions, focusing on Solaris and Illumos systems. Their work involved adapting the library to support these platforms, including adding definitions for TCP options, IPsec, and ancillary socket data accessors. The user also fixed style issues, added doc comments, and corrected the location of comments in existing code.
rust
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