➡️ Apply here: Senior/Lead Asterisk Developer
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We’re looking for a Senior/Lead Asterisk Developer to help us build and scale a cloud PBX solution based on Asterisk.
Your daily duties will include implementing different SIP proxy features using Asterisk with respect to high availability and scalability.
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
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
Seniority level: Not Applicable
Employment type: Full-time
Job function: Engineering and Information Technology
Industries: Telecommunications