Idt28d ago

VoIP Software Engineer (Asterisk)

Minsk · MinskSoftware Engineeringmid

Software EngineerSoftware Engineering

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Quick Summary

Overview

IDT Corporation is looking for a Middle VoIP Engineer with a focus on Asterisk. The team is building a cloud PBX solution based on Kamailio and Asterisk (net2phone).

Technical Tools

Software EngineerSoftware Engineering

IDT Corporation is looking for a Middle VoIP Engineer with a focus on Asterisk.

The team is building a cloud PBX solution based on Kamailio and Asterisk (net2phone). We expect you to have strong problem-solving skills, be self-motivated, proactive, and responsible.

Your daily duties will include implementing PBX 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, Kamailio, RTPEngine, Java, Kafka, MySQL, MongoDB, CDK, and GitHub Actions pipelines.

You will work with automated CI/CD processes and get a chance to improve your knowledge of SIP, cloud infrastructure, and networks.

At least 5 years of experience in Asterisk: you know what are UAC, UAS, PJSIP, channel, call park, blind/attendant transfer, etc.

Experience with Asterisk dialplan in Lua.

Solid SIP knowledge.

3+ years experience in coding.

Experience in Linux environment.

Good level of English (B2 or higher).

High-Scale Asterisk: Build and maintain cloud PBX features within a large-scale ecosystem (60k+ users) using Asterisk, Kamailio, and RTPEngine.

Advanced Dialplan Development: Design and implement complex telephony logic specifically using Asterisk dialplans in Lua.

Deep Troubleshooting & Bug Fixing: Analyze stack traces and performance bottlenecks to fix bugs in Asterisk source code and contribute to the community.

Protocol & SIP Proxy Management: Manage complex SIP/RTP flows, SDP negotiation, and NAT traversal for resilient and scalable telephony clusters.

System Maintenance & Reliability: Optimize Linux environments, manage PSTN routing/failover, and participate in on-duty rotations to resolve outages.

Remote b2b or hybrid / remote (Belarus-Moldova) work opportunity!

Stable job with long-term growth perspective.

Competitive salary with annual performance review.

Really good hardware.

An exciting and challenging job with talented people around.

Continuous learning and career growth opportunities.

Compensation for professional training, seminars, and conferences.

Referral program – get rewarded for helping us grow the team with talented people.

Company-supported English classes to enhance your professional growth.

More perks for the Minsk and Chisinau office employees.