Jonathan Gevaryahu
Open Source Developer at Self-employed
Lower Merion Township, Pennsylvania, United States
Summary
🤩
Rockstar🎓
Top SchoolJonathan Gevaryahu is an experienced open source software developer with 18 years of hands-on engineering, best known for long-term contributions to the prominent MAME arcade emulator project. He combines low-level C/C++ expertise—especially in audio decoding, filtering and emulation fidelity—with practical QA automation and SQL skills from roles at DistroKid and Fiserv. As a self-employed consultant he has built and maintained systems, taught software/OS use, and provided hardware and network support, reflecting a full-stack troubleshooting mindset. His work on fixing nuanced audio glitches and implementing 12-bit ADPCM decoding demonstrates attention to detail that improves user-facing fidelity in legacy systems. Based in Lower Merion Township, PA, he brings a rare mix of retro systems emulation knowledge and modern test automation practices.
18 years of coding experience
4 years of employment as a software developer
Bachelor's Degree, Computer Engineering, Bachelor's Degree, Computer Engineering at Drexel University
Github Skills (15)
simulation10
audio10
c-language10
develop10
cprogramming-language10
emulation10
device-emulation10
simulator10
arcade10
reverse-engineering9
debug9
debugging9
assembly8
assembler8
assemble8
Programming languages (10)
Github contributions (5)
mamedev/mame
May 2008 - Oct 2022
MAME
Role in this project:
Software Engineer
Software EngineerContributions:62 reviews, 939 commits, 19 PRs in 14 years 8 months
Contributions summary:Jonathan primarily contributed to the MAME (Multiple Arcade Machine Emulator) project, focusing on implementing and fixing features for various arcade games, primarily by modifying and adjusting source code files. Their work included fixing rom names, adding labels and version notes. The user was heavily involved in correcting audio and sound related issues, for instance, the laser sounds in a game or adjusting the filter, volume controls and implementing and fixing a 12-bit ADPCM decoding issue that addressed glitches in sampled audio..
mame
Lord-Nightmare/mame
May 2017 - May 2024
MAME - Multiple Arcade Machine Emulator
Contributions:108 pushes, 10 branches in 7 years 1 month
emulatorarcadeemulationmamearcade-machine
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