Jeannot Langlois
Senior Software Developer at DJ SIX
Ottawa, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolJeannot Langlois is a seasoned Senior Software Developer based in Ottawa with over two decades of C++ and Linux expertise, specializing in embedded and VoIP systems. He has driven production-grade work across telecom, automotive, satellite communications and photonics labs—contributing to well-known projects like the SIPp testing tool by fixing critical threading/crash bugs and adding TLS and RTP/SRTP test support. Comfortable in high-precision environments, he designs robust user-mode drivers and automated measurement software that bridge hardware and firmware teams. Jeannot balances deep systems-level engineering with long-term freelance creativity as a professional DJ, a detail that surfaces in his methodical yet rhythmic approach to problem solving. Now at CallMiner, he continues to deliver stable, secure communications and embedded solutions while bringing pragmatic testing and diagnostic rigor to complex distributed systems.
8 years of coding experience
21 years of employment as a software developer
Bachelor of Science Computer Science, Bachelor of Science Computer Science at Université de SherbrookeDiploma of College Studies Pure Sciences, Diploma of College Studies Pure Sciences at Cégep de l'Abitibi-TémiscamingueHigh school diploma, High school diploma at Ecole Secondaire La Calypso / Polyvalente La Foret
French
Stackoverflow
147reputation
10kreached
3answers
6questions
Github Skills (18)
c-language10
tls1210
tls1310
sip10
srtp10
mtls10
sips10
libtls10
cprogramming-language10
rtp10
testing9
openssl9
networking8
merge6
destruction6
Programming languages (1)
Github contributions (3)
SIPp/sipp
May 2018 - Nov 2022
The SIPp testing tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 34 PRs, 73 comments in 4 years 7 months
Contributions summary:Jeannot primarily contributed to the core functionality of the SIPp testing tool by addressing critical bugs, adding new features, and improving the overall stability. Their work involved fixing a crash related to thread management and shutdown, as well as implementing a feature to select specific TLS protocol versions for secure communication. Furthermore, they added support for RTP/SRTP bit pattern testing, including fixes for stability issues related to sequence number handling and SDP parsing.
testingsipp
jeannotlanglois/sipp
May 2018 - Nov 2021
The SIPp testing tool
Contributions:19 pushes, 79 branches in 3 years 7 months
testingsipp
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