Description :
We are an AI Voice Agent startup building the next generation of intelligent, human-like voice assistants for businesses.
Our platform integrates with telephony systems, CCaaS / CPaaS providers, and modern AI technologies to deliver seamless customer experiences.
We are looking for a Telephony / VoIP Engineer who can accelerate our expertise in telephony infrastructure and voice technologies.
Key Responsibilities :
- Design, develop, and optimize telephony solutions integrating with Asterisk, FreeSWITCH, and other CPaaS platforms (Twilio, Vonage, Plivo, etc.
- Architect scalable and reliable CCaaS / CPaaS workflows for inbound and outbound voice communication.
- Collaborate with AI / ML engineers to integrate AI-driven voice agents with traditional and modern telephony stacks.
- Troubleshoot and optimize call quality, latency, SIP / RTP handling, NAT traversal, and codec performance.
- Build automation scripts, monitoring tools, and APIs in Python to manage and extend telephony systems.
- Ensure compliance with VoIP standards and protocols (SIP, RTP, WebRTC, SRTP, DTMF, IVR).
- Collaborate with product and infrastructure teams to deliver carrier-grade voice reliability.
- Research and implement new technologies in voice processing, call analysis, and AI-driven telephony workflows.
Required Skills & Experience :
5+ years of experience in the Telephony / VoIP domain.Deep knowledge of Asterisk, FreeSWITCH, and / or other open-source PBX systems.Strong understanding of SIP, RTP, WebRTC, VoIP codecs (G.711, G.729, Opus, etc.), and telephony protocols.Experience with CCaaS / CPaaS solutions (Twilio, Vonage, SignalWire, Plivo, etc.Hands-on experience with Python for automation, API integration, and backend development.Knowledge of call routing, IVR design, conferencing, and voicemail systems.Familiarity with cloud environments (AWS, GCP, Azure) for deploying telephony systems at scale.Solid troubleshooting skills in networking (SIP traces, Wireshark, NAT issues) and carrier to Have :Experience with AI Voice, Speech-to-Text (STT), and Text-to-Speech (TTS) integration.Exposure to Kafka, RabbitMQ, ActiveMQ, or other messaging systems for real-time call event handling.Prior work in contact center solutions (CCaaS) or customer engagement platforms.Contributions to open-source telephony projects(ref : hirist.tech)