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.
Join us if you:
- Have at least 7+ years of production experience with large-scale deployments (call servers with 60k+ active users).
- Have contributions in https://github.com/asterisk/asterisk/.
- 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 offer:
- Remote work flexibility – work from anywhere.
- B2B contract with competitive gross compensation in USD.
- Top-tier hardware to support your productivity.
- A challenging role in a team of skilled professionals.
- Continuous learning and career growth opportunities.
- Coverage for professional development: training, seminars, and conferences.
- Access to high-quality English lessons.
Top Skills
What We Do
We know that you’ll have looked at quite a few company pages but IDT is different. We want people who want to make a big difference to our company with big ambitions. We’re a truly global team, with 1300 people working across all continents, apart from (at the moment!) Antarctica. But we are proud that despite our size, we encourage and support any in-house entrepreneurs to develop their ideas into business action. Our exciting growth plans make it a great time to join us.
Our people are the reason for IDT’s passion for success. The IDT family is made up of people of all backgrounds, expertise, and interests, all with a relentless team spirit. We need people who share both our commitment to success and excitement about our journey. You won’t ever be bored or have to wonder how to fill your time. You’ll find the work challenging but you’ll get the support of a great team to help you beat those challenges. You will also be expected to support others as well as work hard, work well and work with a smile.
If you want a join a company that will help you become your brilliant best and achieve amazing results, then you want to join IDT.
