Lead VOIP Engineer

India Haryana Gurgaon, IndiaOn-site

Responsibilities

Build and optimize SIP call routing logic, RTP media relays , failover mechanisms, and NAT traversal.
Develop and manage configurations for scalability, codec negotiation, SIP trunk registration .
Implement and test features like call recording, IVR, voicemail, DTMF detection.
Monitor live traffic and participate in 24x7 on-call rotation for critical escalations.
Collaborate with QA on stress/load testing and with Backend teams on provisioning APIs.
Document design decisions, configurations, and troubleshooting runbooks.
Create a culture of customer obsession, with trust, teamwork and accountability.

Sprinklr is the definitive, AI-native platform for Unified Customer
By combining human instinct with the speed and efficiency of AI, Sprinklr helps brands earn trust and loyalty through personalized, seamless, and efficient customer interactions.
You’ll work on the core telephony stack involving signaling, media processing, NAT traversal, and RTP relaying.
Seniority Level: Lead Individual Contributor What You’ll Do: Implement core voice capabilities using FreeSWITCH, Kamailio/OpenSIPs, and RTPEngine.
experience building and operating VoIP systems or CPaaS platforms .
Solid expertise with SIP signaling, RTP, and media relay techniques .
Strong hands-on with FreeSWITCH, Kamailio/OpenSIPs, RTPEngine . Hands-on
experience with Session Border Controller (SBC), Media Servers and WebRTC .
Experience in managing telephony infrastructure for uptime, latency, and call quality optimization.
Strong systems programming and debugging skills in C/C++ .
Good scripting/debugging skills ( Bash, Python, or Lua for FreeSWITCH modules ).
Proficiency with diagnostic tools ( Wireshark, tcpdump etc ).
Experience working with geographically distributed infrastructure or HA deployments.
Today, Sprinklr has a unified, AI-native platform for four product suites: Sprinklr Service, Sprinklr Social, Sprinklr Marketing and Sprinklr Insights.
Sprinklr is here to do three things: Lead a new category of enterprise software that we call Unified-CXM.