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. You will work with automated CI/CD processes and get a chance to improve your knowledge in cloud infrastructure and networks.Design and implement advanced Asterisk dialplansDebug and fix issues inside Asterisk core, modules, and C-based extensionsAnalyze and interpret stack traces, crashes, memory issues, and performance bottlenecksImplement patches, backports, or enhancements directly in Asterisk source codeDevelop custom modules (C/C++), when neededApply deep understanding of SIP signaling, RTP, SDP negotiation, codecs, and NAT traversalTroubleshoot SIP flowsWork with trunk groups, carriers, PSTN routing, and failover logicWork with Linux systems (systemd, networking, tuning, kernel parameters)Work with Asterisk in cloud environments (AWS preferred). Have at least 7+ years of production experience with large-scale deployments (call servers with 60k+ active users)Have contributions in experience with CI/CD, clouds, Linux & networkingHave 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
Remote work flexibility - work from anywhereB2B contract with competitive gross compensation in USDStable job with long-term growth perspectiveReally good hardwareAn exciting and challenging job with talented people aroundContinuous learning and career growth opportunities with annual performance reviewCompensation for professional training, seminars, and conferencesReferral program - get rewarded for helping us grow the team with talented peopleCompany-supported English classes to enhance your professional growth
A few words about us:IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and