Senior/Lead VoIP (Asterisk) Engineer

Job description

We’re looking for a Senior/Lead Asterisk Developer to help us build and scale a cloud PBX solution based on Asterisk. The team is building a cloud PBX solution based on Asterisk. We expect you to have strong problem-solving skills, be self-motivated, initiative, and responsible. Your daily duties will include implementing different SIP proxy features using Asterisk with respect to high availability and scalability. You are not limited to Asterisk — we welcome you to be involved in all parts of a large ecosystem built around Asterisk. You will work with automated CI/CD processes and get a chance to improve your knowledge in cloud infrastructure and networks . Requirements: - Design and implement advanced Asterisk dialplans. - Debug and fix issues inside Asterisk core, modules, and C-based extensions. - Analyze and interpret stack traces, crashes, memory issues, and performance bottlenecks. - Implement patches, backports, or enhancements directly in Asterisk source code. - Develop custom modules (C/C++), when needed. - Apply deep understanding of SIP signaling, RTP, SDP negotiation, codecs, and NAT traversal. - Troubleshoot SIP flows. - Work with trunk groups, carriers, PSTN routing,...