Liviu Chircu
Software Engineer at OpenSIPS Solutions
Bucharest, Romania
Summary
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RockstarLiviu Chircu is a seasoned software engineer with 13 years of experience specializing in back-end systems and telecommunications protocols. Based in Bucharest, he is a core developer and "SIP firefighter" for the widely used OpenSIPS project, contributing C-level fixes and enhancements to session handling, accounting, and database modules. His work emphasizes reliability: improving error handling, data structures, and core processing to keep high-performance SIP servers operational under load. Comfortable deep in systems code, he brings practical expertise in low-level debugging and production incident response. Colleagues rely on him when complex SIP behaviors or database interactions need robust, pragmatic solutions. Liviu pairs a long-term open-source commitment with a talent for turning intricate telecom requirements into maintainable, mission-critical code.
13 years of coding experience
Stackoverflow
1,015reputation
108kreached
62answers
4questions
Github Skills (18)
sipjs10
c-programming10
sip10
sips10
sipp10
memory-management9
databases7
sql-database7
data-integration7
bash6
math6
voip6
python6
git6
opensips6
Programming languages (10)
Github contributions (5)
OpenSIPS/opensips
Jul 2012 - Jan 2023
OpenSIPS is a GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:124 reviews, 4300 commits, 217 PRs in 10 years 7 months
Contributions summary:Liviu primarily contributed to the OpenSIPS project by modifying C code related to the internal workings and data handling of the SIP server. Their work focused on refining the code for several modules, including the core processing of session and database logic. The contributions indicate a focus on improving the reliability and functionality of core features such as handling SIP events, accounting for calls, and managing database connections. They also worked on improving error handling and data structures used by various modules.
professionalsip-servergplsecurityhigh-level
liviuchircu/ansible-role-XtraDB-Cluster
Jul 2018 - Oct 2024
Contributions:3 reviews, 5 PRs, 41 pushes in 6 years 3 months
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