Senior VoIP

We are building Cascade10 a high-performance multi-tenant Power Dialer SaaS and need Senior VoIP Engineer to build professional-grade telephony platform with FreeSWITCH. Key responsibilities include setting up multi-tenant environment on AWS/Vultr configuring Telnyx STIR/SHAKEN a ...

We are building a Twilio-scale telecom execution and call-routing ecosystem focused on ultra-high volume, · extreme cost efficiency, and enterprise-grade reliability.This platform is intended to support millions of calls per day, · across multiple carriers, with dynamic routing, ...

We are building a large AI-driven calling platform. · Looking for senior engineer or small expert team that understands telephony, real-time audio and conversational AI at a systems level. ...

We're building an AI outbound calling system at high volume. · Navigate commercially sensitive processes; NDA required. · ...

We have reached a pivotal milestone in the development of a AWS Cpaas Platform named -NANO-, and we are looking for a visionary Senior Engineer to steer this initiative toward its full potential. · This is not just another project; it is a high-impact environment designed for an ...

We are looking for an iOS VoIP expert to debug Twilio Voice Registration in our React Native app. · ...

We are looking for a Senior Security-Focused Mobile Developer to build a high-privacy mobile communication app for iOS and Android. · Implementation of end-to-end encryption (E2EE) using the NaCl / libsodium library. · A system for decentralized ID generation (no phone number or ...

We operate a high-volume production 3CX v20 system integrated with Twilio SIP trunking and redundant infrastructure (AWS + Vultr). We are seeking a senior-level 3CX engineer with recent, hands-on v20 experience to assist with advanced configuration and migration tasks. · This is ...

We're looking for a senior-level SIP Trunking & VoIP engineer to help us set up and stabilize outbound and inbound calling for an AI calling platform (Retell AI). This is not a beginner role. · Design and implement SIP trunk connectivity for an AI calling platform (Retell AI) · ...

We are looking for a senior Asterisk + expert to fix and complete a partially built auto-dialer system. · The system is based on Asterisk (AMI/ARI) and , but it is currently half-baked and requires restructuring, debugging, and production hardening. · This is not a beginner-leve ...

+We are seeking a Senior IT Project Engineer to join our growing team. · ...

We are looking for a senior carrier-grade SIP/VoIP engineer to urgently configure SIP signaling and media interop between a secure softswitch and a legacy SBC using Kamailio and RTPengine. · ...

We are looking for a senior engineer to build a real-time event-driven automation system for an online Limbo-style game.The project focuses on capturing live game events without public API processing them through low-latency decision engine executing actions automatically with st ...

We are seeking a highly skilled Senior WebRTC/SIP Engineer to join our team for an important project. · The ideal candidate should have substantial experience in WebRTC technologies and SIP protocols, alongside a proven track record of implementing robust solutions. · ...

· Senior Java Developer VOIP/SIP Solutions · Location: Hybrid Montreal, QC, Canada · Industry: Emergency Communications & Telecommunications Software · Compensation: CAD $100,000 $120,000 · Application Deadline: June 20, 2025 · We are recruiting on behalf of a technology lead ...

We are seeking an experienced System Administrator to provide technical expertise and support for a secure communication system. This role ensures mission-critical voice communication systems remain operational, secure, and responsive to evolving requirements. · This is a full-ti ...

We are seeking an experienced Network Communications Specialist to provide advanced technical expertise, hands‑on support, and sustainment for a communication system. · Provide technical expertise, system solutions, demonstrations, and familiarization training on communication sy ...

Senior Project Manager leading complex multi-year initiatives focused on audio-visual videoconferencing VoIP and telecommunications solutions. · ...

Are you a seasoned IT professional who thrives on solving complex technical challenges and leading high-impact projects? We are seeking a Senior IT Project Engineer to join our growing team. In this leadership role, you will take ownership of our Project Deployment function, work ...

Sangoma is seeking an experienced Infrastructure/Dev Ops Sr. Director to join our team. · ...