Josh Allmann
Founder at Transfix AI
San Diego, California, United States
Summary
👤
Senior🎓
Top SchoolJosh Allmann is a founder and seasoned software engineer with 16 years building scalable multimedia and telecom systems from assembly-level fixes to cloud streaming platforms. Based in San Diego, he has led engineering at startups and products at Mux and Livepeer while founding Foresight Streaming Systems and currently Transfix AI, blending product vision with hands-on implementation. His deep expertise spans VoIP, RTP/SIP, video codecs and large-scale streaming infrastructure—evidenced by contributions to the widely used FreeSWITCH and FFmpeg projects improving media handling and interoperability. At Convo and Tinychat he architected production VoIP and social-video systems, including mobile SIP gateways and distributed presence services, showing a knack for practical protocol work that sidesteps platform limits. Equally comfortable tinkering in code and steering technical strategy, he often surfaces subtle protocol and performance fixes that quietly improve reliability at scale.
16 years of coding experience
13 years of employment as a software developer
BS/MS Computer Science, BS/MS Computer Science at Rochester Institute of Technology
Github Skills (12)
c1710
sip10
sips10
c1110
webrtc10
voip10
rtp10
freeswitch10
telephony10
image-processing9
sdp9
media9
Programming languages (18)
Github contributions (5)
signalwire/freeswitch
Aug 2016 - Apr 2017
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 commits in 8 months
Contributions summary:Josh primarily contributed to the FreeSWITCH project by fixing bugs and implementing improvements in areas related to media handling and SIP communication. They addressed issues with RTP packet drops, bandwidth calculations in SDP, and handling of video streams. Additionally, the user made minor changes such as fixing typos and adjusting log levels to improve system performance and stability.
telecomproprietarytelecommunicationswebrtccommodity-hardware
j0sh/ocaml-swt
Jan 2015 - Jul 2020
Contributions:54 commits, 5 pushes, 1 branch in 5 years 7 months
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