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
Sorry! This job has expired.

