VoIP Engineer

Rapid Labs

Full-time Pakistan, Pakistan Other-General

Posted:

February 25, 2026

Location:

Pakistan, Pakistan, Pakistan

Job Description

We're looking for a VoIP Engineer to help build and stabilize a SIP-based calling system. 
Requirements: 
Strong experience with SIP, RTP, WebRTC 
SIP servers, call routing, NAT traversal 
Debugging call quality, latency, drops 
Experience with real-time voice systems 
Nice to have:
Asterisk, FreeSWITCH, Kamailio, cloud deployments 
Type: Contract or Full-time 
Apply with: brief summary + relevant VoIP projects 
Job Types: Full-time, Contract 
Application Question(s): 
Have you created a SIP server before? 
Have you worked with Asterisk or Jambonz or LiveKit or similar tools before? Please specify. 
Work Location: Remote 

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Job Overview

Job Type: Full-time

Location: Pakistan, Pakistan

Posted: February 25, 2026

Deadline: April 06, 2026