Răzvan Crainea
Chief Technology Officer at SIPhub
Romania
Summary
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Rockstar🎓
Top SchoolRăzvan Crainea is a seasoned technology leader and Chief Technology Officer with 15 years of experience building and architecting high-performance telecom software. He is a core developer and long-time senior architect for the OpenSIPS project, bringing deep expertise in SIP, RTP and real-time communications alongside strong systems programming skills in C/C++, C#, Java, and Python. Currently leading engineering at SIPhub, he combines hands-on development with strategic product direction for carrier-grade VoIP solutions. His academic background in distributed and parallel systems (Politehnica University Bucharest and VU Amsterdam) informs pragmatic designs for scalable, resilient systems. He also has a decade of teaching experience in operating systems and compilers, reflecting an ability to explain complex technical concepts and mentor engineers. Based in Romania, Răzvan is known for contributing core protocol-level improvements that power production communication platforms.
15 years of coding experience
Master’s Degree, Parallel and Distributed Computing Systems, Master’s Degree, Parallel and Distributed Computing Systems at VU University AmsterdamHigh School, Computers, Mathematics, High School, Computers, Mathematics at Alexandru Lahovari National CollegeMaster, Distributed Systems, Master, Distributed Systems at Universitatea „Politehnica” din București
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (116)
server-core10
sctp10
proxy10
security10
vms10
unlock10
ansible-role10
opensips10
kamailio10
software-design10
provisioning10
control-panel10
ims10
signalwire10
telecom10
Programming languages (12)
Github contributions (5)
systems-cs-pub-ro/so
Feb 2017 - May 2021
Contributions:1 review, 34 commits, 1 PR in 4 years 3 months
systems-cs-pub-ro/so-assignments
Feb 2017 - Mar 2021
Public repo, which contains skeletons and tests for SO assignments
Contributions:5 PRs, 29 pushes, 3 comments in 4 years 1 month
skeletonspublic-repo
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