VoIP / UCaaS Developer
# VoIP / UCaaS Developer **MCM BPO PVT LTD** · Jogeshwari West, Mumbai, Maharashtra · `On-site` 🕒 **Статус:** *Опубликовано: 7 дней назад* · *Источник: Indeed* --- ### About the Role We are seeking an experienced VoIP / UCaaS Developer to design, develop, integrate, and maintain scalable Unified Communications as a Service (UCaaS) and real-time communication solutions. The ideal candidate will have strong hands-on experience with FreeSWITCH, Asterisk, SIP, RTP, WebRTC, Kamailio, OpenSIPS, PJSIP, SBCs, and SIP Trunking , along with programming expertise in Python and/or Node.js . Strong knowledge of Linux, VoIP architecture, SIP signaling, call routing, and real-time communication systems is essential. Key Responsibilities Design, develop, and maintain scalable VoIP and UCaaS solutions . Develop and customize telephony applications using FreeSWITCH and Asterisk . Implement and troubleshoot SIP, RTP, SDP, WebRTC, and PJSIP technologies. Configure and manage SIP routing using Kamailio and OpenSIPS . Develop and integrate SBC, softswitch, and SIP trunking solutions. Build backend services, APIs, and automation using Python and Node.js . Develop and integrate WebRTC-based real-time communication solutions. Design call flows, SIP routing, failover, load balancing, and high-availability architectures. Troubleshoot SIP signaling, RTP/media, call quality, registration, NAT, and interoperability issues. Integrate SIP trunks, telecom carriers, third-party APIs, and communication platforms. Deploy, configure, and optimize Linux-based VoIP infrastructure . Monitor system performance, reliability, scalability, and security. Collaborate with engineering and product teams to deliver new UCaaS and VoIP features. Required Skills: Strong hands-on experience with FreeSWITCH and/or Asterisk . Strong understanding of SIP, RTP, SDP, and VoIP protocols . Practical experience with WebRTC and real-time communications. Experience with Kamailio and/or OpenSIPS . Knowledge of PJSIP, SIP Trunking, SBCs, and Softswitches . Proficiency in Python and/or Node.js . Strong knowledge of Linux systems and networking . Experience with SIP call routing, signaling, media flows, and troubleshooting. Understanding of NAT, firewalls, codecs, SIP registration, and VoIP security . Experience building or maintaining scalable and reliable VoIP/UCaaS platforms . Preferred candidate profile Experience in UCaaS, CPaaS, cloud telephony, or real-time communication platforms . Experience with SIP proxy, registrar, and routing architectures. Knowledge of VoIP monitoring, logging, and troubleshooting tools. Experience with REST APIs and third-party communication integrations. Familiarity with cloud platforms, containers, and distributed systems. Understanding of high-availability and carrier-grade VoIP architectures. Pay: ₹450,000.00 - ₹950,000.00 per year Work Location: In person
Наблюдалась 2026-09-15, впервые 2026-09-08, источник — Indeed.