Jason Parker
Owner at Jeltz
Hartford, Connecticut, United States
Summary
👤
Senior🎓
Top SchoolJason Parker is a cybersecurity researcher and systems/software engineer with 20 years of experience designing, building, and securing full-stack applications and infrastructure, currently running his own consultancy, Jeltz. He has a niche focus on government platforms, publishing multiple vulnerability disclosures across a dozen court-record vendors and maintaining public research at govtech.cc. Jason pairs deep security expertise with hands-on backend engineering—his open-source contributions to the widely used Asterisk telephony project include SIP/chan_skinny work to improve call handling, memory safety, and feature behavior. Past senior roles at Sangoma, Clearly IP, AVOXI and Digium reflect long-term commitment to telephony and real-time systems, while early enterprise experience at Wells Fargo underpins robust SDLC discipline. Based in Rossville, Georgia, he’s known for quickly learning new technologies and translating complex technical risk into practical, auditable solutions.
20 years of coding experience
23 years of employment as a software developer
Moreno Valley High SchoolHigh School Diploma, High School Diploma at March Mountain High School
English
Stackoverflow
11reputation
3kreached
1answer
0questions
Github Skills (11)
telephony10
sips10
sip10
c119
c179
code-cleanup8
nodejs6
fs6
javascript6
es6-promise6
ecmascript6
Programming languages (11)
Github contributions (5)
asterisk/asterisk
Mar 2006 - Aug 2014
The official Asterisk Project repository.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1423 commits in 8 years 6 months
Contributions summary:Jason primarily contributed to the chan_skinny module within the Asterisk repository. Their work focused on implementing call forwarding and call status updates. They made efforts to improve code consistency, address memory leaks, and fix various issues related to digit handling and general call management, suggesting a focus on backend telephony logic and low-level SIP protocol interaction.
pythonasterisklinuxpbxsip
qwell/RetroSpy
Feb 2020 - Jul 2023
Live controller viewer for Nintendo consoles as well as many other retro consoles and computers. Includes viewer application for Windows, and Arduino sketch for hardware interface.
Contributions:31 pushes, 7 branches in 3 years 5 months
controllerwindowsretrocomputersarduino
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