SIP/VoIP Software Engineer

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Position: SIP/VoIP Software Engineer

Location: Austin, TX (Hybrid)

Duration: Long term contract

Job Summary:

We are looking for a skilled Software Engineer with strong expertise in SIP and VoIP technologies. The ideal candidate should have hands-on experience in developing and working with SIP-based applications, SIP stacks, and voice communication systems.

Key Responsibilities:

• Design, develop, and maintain SIP-based applications and VoIP systems
• Work on SIP protocol implementation, debugging, and optimization
• Develop and integrate SIP stack and SIP User Agent (SIPUA) components
• Collaborate with cross-functional teams to enhance voice communication platforms
• Troubleshoot and resolve issues related to VoIP and SIP signaling
• Work with FreeSWITCH for call routing and voice applications
• Ensure high performance, scalability, and reliability of systems
  
  

Required Skills:

• Strong experience in SIP (Session Initiation Protocol)
• Hands-on experience with Voice / VoIP / SIP technologies
• Experience working with SIP Stack and SIPUA
• Proficiency in C / C programming
• Experience with FreeSWITCH
• Solid debugging and problem-solving skills
  
  

Nice to Have:

• Experience with SIP Media Gateways
• Knowledge of Session Border Controllers (SBCs)