Senior Voice Integration Engineer

Senior Voice Integration Engineer – Cisco Webex / SIP (Contract)
Openings: 2–3 positions
Experience: 7–10 years
Contract Duration: 2–3 months (with possible extension)
Location: Remote / Hybrid / On-site (flexible)
About the Role
We’re looking for experienced Voice / Telephony Integration Engineers to help enhance
the Aisera Voice offering with advanced Cisco Webex and contact center capabilities.
You’ll work on real-time voice systems, SIP signaling, and integration with call center
workflows—adding features, ensuring compatibility, and improving performance.
Key Responsibilities
Implement Cisco Webex Voice features:
Transfer callback with call history
IVR channel configuration compatibility
Silero VAD compatibility with MULAW audio
Automate BYOVA datasource management
Add DTMF support
Retrieve integration info from tenant-server (not direct DB)
Implement health check / status monitoring
Integrate with SIP / AudioCodes / call center workflows
Understand existing Aisera codebase and rapidly build features
Collaborate with small cross-functional team (2–3 engineers)
Required Skills & Experience
7–10 years in Voice / Telephony / UC / Contact Center engineering
Strong knowledge of SIP, RTP, DTMF, codecs (MULAW, G.711)
Hands-on experience with Cisco Webex Voice / Contact Center
Familiarity with AudioCodes, IVR, call routing, and callback workflows
Putting a thinking cap on sales
Strong debugging, troubleshooting, and integration skills
Programming / scripting (Python, Java, or similar)
Able to understand and extend existing codebases
Good to Have
Exposure to Silero VAD, BYOVA, or Voice Analytics systems
Experience with CPaaS / Voice-as-a-Service platforms
Cisco voice certifications