Senior/Lead VoIP
Pubblicato il 17-08-2026 - IDT in Italia
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 f