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.
In this role, you will also:
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, and failover logic
Work with Linux systems (systemd, networking, tuning, kernel parameters)
Work with Asterisk in cloud environments (AWS preferred). Participate in architecture decisions for resilient and scalable telephony clusters
Requirements:
Have at least 7+ years of production experience with large-scale deployments (call servers with 60k+ active users)
Have contributions in
Have experience with CI/CD, clouds, Linux & networking
Have a good level of English (B2 or higher)
(For Lead level) Are ready to act as the technical lead for the Asterisk domain
(For Lead level) Can work cross-team with backend developers, infra/DevOps, QA, and product owners
(For Lead level) Own best practices, code quality, and documentation
We are pleased to offer:
Remote work flexibility - work from anywhere
B2B co
📌 Senior/Lead VoIP (Italia)
🏢 Altro
📍 Italia