VitaliiĀ Aleksandrov
Software Engineer at Maxnerva, a Foxconn affiliated company
Romania
Summary
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Seniorš
Top SchoolVitalii Aleksandrov is a seasoned software engineer with 12+ years of hands-on experience building and operating high-performance VoIP and cloud systems, currently working on EV and cooling management platforms using Linux, C/C++, MQTT and Kubernetes. He combines deep networking expertise (TCP/IP, routing, QoS, NAT) and telecom protocol knowledge (SIP, H.323, SS7, PRI) with strong systems programming skills in multithreaded C/C++ and BSD sockets. Vitalii has repeatedly redesigned and hardened distributed VoIP infrastructures for resilience and scale, and contributed stability and connection-handling fixes to the widely used open-source Kamailio SIP server. Comfortable across the stack from kernel/network tuning to backend cloud services, he brings practical performance and reliability improvements informed by production ops experience. Based in Romania, he holds a CCNA and a telecommunications pre-master background, and often bridges gaps between telecom operators and modern cloud-native architectures.
12 years of coding experience
16 years of employment as a software developer
Pre-master, Telecommunications, Pre-master, Telecommunications at Odessa National Telecommunications Academy
Github Skills (18)
kamailio10
ip10
c1110
voip10
sip10
c1710
sips10
tcp10
telephony9
data-structure9
memory-management9
data-structures9
client-websocket8
websocket-client8
websockets-client8
Programming languages (2)
Github contributions (5)
kamailio/kamailio
Sep 2013 - Nov 2017
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -
Role in this project:
Back-end Developer
Back-end DeveloperContributions:17 commits, 10 PRs, 8 comments in 4 years 2 months
Contributions summary:Vitalii primarily contributed to the Kamailio SIP server backend, focusing on core functionalities. They implemented features related to TCP connection handling, specifically propagating TCP connection IDs and detecting lost connections in the `usrloc` module. The user also addressed memory management and potential race conditions in the `websocket` and `ldap` modules, indicating a focus on stability and performance improvements. Furthermore, the user made improvements in data structure handling within the tsilo module and fixed a bug in the ul.dump JSON output.
voltesip-serverkamailiofreeswitchchat
vitalikvoip/kamailio
Apr 2017 - Oct 2020
Kamailio - The Open Source SIP Server -
Contributions:21 pushes, 8 branches in 3 years 6 months
sip-serverkamailiofreeswitchsipvoip
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