Find the Best Freeswitch Jobs
Check out a sample of the 35 Freeswitch jobs posted on Upwork
LiveKit SIP Server Expert Needed for Architecture Review and High-Concurrency Production Setup
Fixed-price ‐ Posted 1 month agoFixed-price
Experience level
We are looking for an experienced LiveKit SIP and Pipecat expert to review our end-to-end Voice AI telephony architecture. Our setup u…
Flutter SIP Softphone Developer — WebRTC Calling + VoIP Push (iOS & Android)
Hourly ‐ Posted 29 days agoHours needed
Duration
Experience level
Overview We're building a production-grade softphone app in Flutter that makes and receives voice calls over a SIP/VoIP backend. We ne…
Senior VoIP / PBX Specialist (Asterisk & FreePBX)
Hourly ‐ Posted 28 days agoHours needed
Duration
Experience level
We are looking for a Senior VoIP/PBX Specialist to design and deploy a cloud-based Asterisk/FreePBX phone system We are looking for an…
Native Mobile VoIP Calling Platform Development (iOS, Android, Backend & Admin Panel)
Hourly ‐ Posted 27 days agoHours needed
Duration
Experience level
Native Mobile VoIP Calling Platform Development (iOS, Android, Backend & Admin Panel) We are looking for a highly experienced developm…
SYNC Licensing Expert Needed
Hourly ‐ Posted 23 days agoHours needed
Duration
Experience level
We are seeking a SYNC Licensing expert with a proven track record of successfully landing syncs. The ideal candidate will have experien…
Auth0 Configuration and CI/CD Automation
Fixed-price ‐ Posted 1 month agoFixed-price
Experience level
I need someone to help with Auth0 configuration and CI/CD automation for existing tenant use cases. The tenant is already set up, and I…
Cloud Phone/VoIP Expert Needed for End-to-End Business Phone System Setup
Hourly ‐ Posted 28 days agoHours needed
Duration
Experience level
We are seeking an experienced cloud phone and VoIP specialist to configure a client’s business phone system from start to finish. The e…
SIP Consultant for Asterisk AWS Installation
Fixed-price ‐ Posted 27 days agoFixed-price
Experience level
We are seeking an experienced SIP consultant to install Asterisk in AWS and connect it to an operator SIP trunk. The ideal candidate wi…
Looking for SIP Account / VoIP Termination Provider (Vitelity or Similar)
Hourly ‐ Posted 26 days agoHours needed
Duration
Experience level
Looking for SIP Account / VoIP Termination Provider (Vitelity or Similar) Job description I am looking for an experienced VoIP provide…
Clinical Terminology & Lab Integration Specialist
Hourly ‐ Posted 22 days agoHours needed
Duration
Experience level
Seeking a specialist to support clinical terminology and laboratory integration work, including mapping LOINC codes to industry-standar…
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