Jacob Stine
Technical Director Principal Owner at Project Crayon
La Honda, California, United States
Summary
👤
Senior🎓
Top SchoolJacob Stine is a technical director and principal engineer with 25+ years in game development and 17 years focused on system software, emulation, and tooling for consoles. He leads Project Crayon and consults on the Sony PlayStation Classics catalog, combining hands-on SIMD and Clang/LLVM optimizations with architecting constrained VM snapshotting for console environments. A longtime open-source contributor (notably to DuckStation and PCSX2), he excels at performance engineering, low-level systems, and build/test automation across C++, Bash, Lua, and tooling stacks. His career blends platform-level R&D at Sony with practical remastering and integration work—bringing legacy engines forward while preserving fidelity. Known for turning tricky concurrency and memory-mapping constraints into reliable solutions, he also recruits and runs distributed teams to deliver on tight platform requirements. Based in La Honda, CA, he pairs deep technical craft with a pragmatic focus on creating fun, dependable gaming experiences.
17 years of coding experience
18 years of employment as a software developer
High School, Basic Daily Survival, High School, Basic Daily Survival at Coughlin High School
Stackoverflow
3,310reputation
206kreached
45answers
0questions
caching
top-5%
memory-leaks
top-5%
Github Skills (22)
c-language10
logger10
device-emulation10
console-application10
sys10
logging10
cprogramming-language10
emulation10
winapi9
memory-leaks9
caching9
wp-api9
ws-api9
ps9
vulkan8
Programming languages (7)
Github contributions (5)
stenzek/duckstation
Jan 2021 - Feb 2021
Fast PlayStation 1 emulator for x86-64/AArch32/AArch64/RV64
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 3 PRs, 3 comments in 1 month
Contributions summary:Jacob focused on improving the console output and logging functionality of the PlayStation 1 emulator. They addressed issues related to console output in various shell environments like MSYS2 and GitBash, ensuring proper redirection and display of log messages. Furthermore, the user implemented ANSI escape codes for colored console output and refactored the logging system, including the removal of legacy Windows-specific console writing code. Additionally, the user optimized the OSD message handling by improving locking mechanisms.
emulatorvulkanaarch32hardware-renderersenhancements
jstine35/eudo
Jan 2018 - Jan 2021
Contributions:1 PR, 15 pushes, 3 branches in 3 years
shelladminshell-command
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