Andrey Volk
SignalWire Platform Engineer
Pontevedra, Galicia, Spain
Summary
🤩
RockstarAndrey Volk is a seasoned Platform Engineer with 14 years of experience specializing in VoIP and telecom software, currently building SignalWire’s cloud-native FreeSWITCH platform from Pontevedra, Spain. He combines deep systems and back-end expertise—demonstrated by contributions that added native PostgreSQL support, JavaScript-driven configuration, timeout handling, and memory-leak fixes to high-profile open-source projects like FreeSWITCH and Sofia-SIP. A founder-turned-engineer, he has run his own VoIP consultancy and shipped pragmatic solutions across startups and production telecom stacks. Andrey’s work reflects a rare blend of low-level protocol debugging (TLS, SIP/SDP handling) and scalable platform design, making him particularly effective at hardening and evolving real-time communication infrastructure.
15 years of coding experience
9 years of employment as a software developer
English, Russian, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
javascript10
c-language10
memory-management10
c1110
networking10
sip10
c1710
sips10
cprogramming-language10
tls129
sdp9
tls139
databases9
mtls9
database9
Programming languages (9)
Github contributions (5)
signalwire/freeswitch
Jun 2016 - Jan 2023
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:11 releases, 365 reviews, 1274 commits in 6 years 8 months
Contributions summary:Andrey primarily focused on enhancing the FreeSWITCH project's back-end functionality. They implemented database-related features, specifically adding a finalize function and implementing native PostgreSQL support in JavaScript. They also incorporated a timeout property for the Socket() class and made various code modifications to improve the codebase, including support for serving configuration with JavaScript and fixing memory leaks.
freeswitchhardwaremulticoreraspberry-pisignalwire
freeswitch/sofia-sip
Jan 2018 - Jan 2023
Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification.
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 releases, 69 reviews, 181 commits in 5 years 1 month
Contributions summary:Andrey primarily contributed to the `sofia-sip` library, an open-source SIP User-Agent library. Their work included fixing bugs related to TLS connections, memory leaks, and build issues in different environments such as Visual Studio and Debian Buster. The user also enhanced the library by extracting URIs from the info parameter of the SIP Identity Header and improved the SDP comparison functionality.
sipuser-agent
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