SIP/VoIP Engineer

Job Summary

The SIP/VoIP Engineer will develop and maintain Sarj’s telephony systems, integrating Voice AI agents with client infrastructures and collaborating with various teams and clients to deliver reliable voice solutions.

Responsibilities

  • Develop and support telephony features within Sarj’s platform alongside the engineering team.
  • Connect Voice AI agents to client PBXs, SBCs, SIP trunks, and contact center systems.
  • Create custom call flows, manage SIP routing, and implement WebRTC-based human handoffs.
  • Lead technical discussions with clients, collect requirements, and manage integration projects through deployment.
  • Diagnose and resolve issues related to call quality, signaling, connectivity, and interoperability.

Requirements

  • Bachelor’s degree in Software Engineering, Computer Science, or a related discipline.
  • Fluency in Arabic and English with strong communication and client interaction skills.
  • At least 4 years of experience in SIP/VoIP engineering or telephony integration.
  • In-depth knowledge of SIP, RTP, SDP, call routing, and VoIP networking.
  • Software development skills for building integrations and working with APIs beyond telephony platform configuration.
  • Practical experience with Asterisk, FreeSWITCH, Kamailio, or commercial SBCs.
  • Experience with Saudi telecom carriers, WebRTC, and enterprise telephony platforms such as Genesys, Avaya, or Cisco.
  • A proactive and hands-on approach to problem-solving and ownership.

What the company offers

  • Chance to join a fast-growing, innovative tech startup.
  • A collaborative and mission-focused work culture.
  • Direct involvement with impactful AI products.

We refresh listings regularly, but some roles close early on the source platform.

Country: Saudi Arabia
City: Riyadh
Job Category: Software Engineering
Job Type: Full Time
Company Name: Sarj | سرج
Seniority level: Mid-Senior level
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