IMS Core Development Engineer

We are looking for experienced IMS Core Development Engineers with strong expertise in IMS architecture, SIP signaling, VoLTE/VoWiFi services, and telecom network development. The role involves designing, developing, and optimizing IMS core network elements to support next-generation communication services. 

• Develop and enhance IMS Core network components.
• Implement and optimize SIP, SDP, RTP, and Diameter-based solutions.
• Work on VoLTE, VoWiFi, registration, call control, and session management.
• Integrate authentication, authorization, and charging interfaces.
• Troubleshoot signaling, media, and network performance issues.
• Collaborate with QA, testing, and operations teams for feature delivery.
• Support cloud-native, virtualized, and containerized deployments. 

• Strong understanding of IMS Architecture.
• Hands-on experience with SIP, SDP, RTP, and Diameter protocols.
• Experience with VoLTE / VoWiFi call flows.
• Good programming skills in C++, Java, or Python.
• Linux networking knowledge.
• Experience with Docker, Kubernetes, VMware, or KVM.
• Knowledge of Wireshark and protocol debugging tools.