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IDT

Senior/Lead Asterisk Developer

Hybrid Engineering
Added
less than a minute ago
Location
Type
Full time
Salary
Not Specified

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Related skills

cloud linux aws ci/cd sip

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.

    • 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.

    • Compensation

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