About the role
About Us
Built in KSA and leveraging Silicon Valley expertise, we're building innovative solutions in the realm of Voice AI and AI agents. As we continue our rapid growth trajectory in an exciting and dynamic market, we're searching for creative talent to join our team.
Role Overview
As a SIP/VoIP Engineer, you’ll help build Sarj’s telephony capabilities and own custom integrations connecting our Voice AI agents to client infrastructure. You’ll work closely with our Operations and Engineering teams and B2B and B2G clients to develop, deploy, and troubleshoot reliable voice solutions.
Key Responsibilities
Build and maintain telephony capabilities within Sarj’s platform alongside our engineering team.
Integrate Voice AI agents with client PBXs, SBCs, SIP trunks, and contact-centre platforms.
Develop custom call flows, SIP routing, and WebRTC-based human handoffs.
Lead technical client discussions, gather requirements, and drive integrations through to production.
Troubleshoot call quality, signalling, connectivity, and interoperability issues.
Requirements
Bachelor’s degree in Software Engineering, Computer Science, or a related field.
Professional proficiency in Arabic and English, with strong communication and client-facing skills.
4+ years of experience in SIP/VoIP engineering or telephony integrations.
Strong knowledge of SIP, RTP, SDP, call routing, and VoIP networking.
Software development experience, with the ability to build integrations and work with APIs beyond configuring existing telephony platforms.
Hands-on experience with Asterisk, FreeSWITCH, Kamailio, or commercial SBCs.
Experience working with Saudi telecom carriers, WebRTC, and enterprise telephony platforms such as Genesys, Avaya, or Cisco.
A proactive, hands-on approach to problem-solving and ownership.
Why Join Us?
Opportunity to be part of a high-growth, innovative tech start-up.
Collaborative, mission-driven culture.
Hands-on experience working on impactful AI products.
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