Idt
Idt5mo ago

Senior/Lead VoIP (Asterisk) Engineer

Warsaw · WarsawRemoteApp Developersenior
OtherSenior/ Voip Asterisk Engineer
0 views0 saves0 applied

Quick Summary

Overview

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.

Technical Tools
OtherSenior/ Voip Asterisk Engineer
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.
  • 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.
  • 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.
  • Remote work flexibility – work from anywhere.
  • B2B contract with competitive gross compensation in USD.
  • Stable job with long-term growth perspective.
  • Really good hardware.
  • An exciting and challenging job with talented people around.
  • Continuous learning and career growth opportunities with annual performance review.
  • 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.
  • Listing Details

    Posted
    November 19, 2025
    First seen
    March 26, 2026
    Last seen
    April 22, 2026

    Posting Health

    Days active
    27
    Repost count
    0
    Trust Level
    32%
    Scored at
    April 23, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Idt
    Idt
    lever
    Employees
    5
    Founded
    2019
    View company profile
    Newsletter

    Stay ahead of the market

    Get the latest job openings, salary trends, and hiring insights delivered to your inbox every week.

    A
    B
    C
    D
    Join 12,000+ marketers

    No spam. Unsubscribe at any time.

    IdtSenior/Lead VoIP (Asterisk) Engineer