Jesse Chappell
Co-Founder And Technical Lead at Sonosaurus LLC
Washington DC-Baltimore Area United States
Summary
🤩
Rockstar🎓
Top SchoolJesse Chappell is a seasoned software engineer and co-founder with 22 years of experience building audio-focused applications and leading technical teams from Washington DC–Baltimore. As Co-Founder and Technical Lead of TonalEnergy and a long-time developer at Sonosaurus, he blends product-driven mobile engineering with deep expertise in real-time and core audio systems for iOS and Android. His open-source contributions to notable audio projects like Ardour and TheAmazingAudioEngine show a pattern of improving audio processing, stability, and accessibility across desktop and mobile platforms. Jesse has held senior and lead engineering roles across startups and defense contractors, demonstrating an ability to move between high-assurance systems and consumer-facing music education tools. He’s especially adept at diagnosing subtle audio bugs—tempo mapping, gain application, waveform rendering—and shipping robust fixes that improve both backend processing and user-facing UX. With a CS degree from William & Mary, he pairs long-term product stewardship with hands-on low-level audio engineering.
22 years of coding experience
16 years of employment as a software developer
B.S., Computer Science, B.S., Computer Science at The College of William and Mary
Github Skills (27)
objective-c10
debug10
ios10
c-language10
audio-processing10
dao10
dac10
dag10
cplus10
coreaudio10
cpp10
cprogramming-language10
lib9
cpp-library9
avaudiosession9
Programming languages (4)
Github contributions (5)
sonosaurus/sonobus
Aug 2020 - Jan 2023
Source code for SonoBus, a real-time network audio streaming collaboration tool.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:27 releases, 111 commits, 23 PRs in 2 years 5 months
Contributions summary:Jesse primarily contributed to the JUCE framework, making several updates and fixes. Their commits demonstrate a focus on the accessibility features of the JUCE widgets, particularly for toggleable buttons and callout boxes, and iOS-specific audio and UI implementations. The user also updated the mobile version, made some changes to the GUI and the soundboard, and added VDO.Ninja functionality.
collaborationpeer-to-peerreal-timeaudiounitstreaming
Ardour/ardour
Nov 2005 - Jul 2008
Mirror of Ardour Source Code
Role in this project:Back-end Developer
Back-end DeveloperContributions:69 commits in 2 years 8 months
Contributions summary:Jesse's contributions primarily involved fixing bugs and improving the core functionality of the Ardour digital audio workstation. They addressed issues related to gain application in audio processing, tempo mapping efficiency, and waveform display inconsistencies. Code changes also included modifications to the session's internal state, and enhancements related to midi control, demonstrating a focus on improving the reliability and performance of the application's audio processing and user interface features.
vstmidic-plus-plusaudiodaw
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