About GreyLabs AI
GreyLabs AI is building the voice operating system for India's BFSI. Our Agentic Voice AI platform helps banks, insurers, NBFCs, and fintechs automate and humanise millions of customer conversations - across sales, collections, customer service, mand compliance - in multiple Indian languages.
In under two years, we've scaled to 50+ enterprise clients, including RBL Bank, AU Small Finance Bank, IDFC FIRST Bank, SBI Life, ICICI Prudential Life, Motilal Oswal - processing hundreds of millions of conversations. We raised ₹85 Crores in Series A funding led by Elevation Capital with Z47, and were recognised for "Best Use of AI in Fintech" at IFTA 2025.
The Role
You will build and operate core pieces of GreyLabs AI’s Telephony platform - the SIP/WebRTC, PSTN/VoIP, and media-handling layer that every voice call in the product passes through. You’ll take features, integrations, and reliability improvements from design through production, working closely with senior engineers who set the platform’s architecture.
This is a solid role for someone who wants deep,



hands-on exposure to real-time communications infrastructure at production scale, with a clear path to owning larger scope as the platform and team grow.
What You’ll Do
Technical Contribution
• Build and maintain components of the Telephony service - call initiation and termination, session management, SIP/WebRTC handling, PSTN/VoIP integration, and media processing

• Implement and test integration points between the Telephony platform and the Voice AI layer, including ASR, TTS, and LLM orchestration interfaces

• Support evaluation and integration work with telephony carriers and CPaaS providers - test call flows, load testing, and cutover validation

• Instrument and monitor call quality metrics (latency, jitter, packet loss, MOS scores), and help build dashboards, alerts, and runbooks

• Contribute to failover, redundancy, and disaster-recovery mechanisms for inbound and outbound calling flows, an

📌 Telephony Engineer – (Bengaluru)
🏢 GreyLabs AI
📍 Bengaluru