Senior Software Engineer

Responsibilities

• Plan, design, develop, and test software systems for IMS-based SBC solutions and cloud-native network software.
• Lead feature development for IMS-based SBC solutions.
• Manage existing deployments and provide high-level customer support.
• Build robust test frameworks to validate new features and fixes for UT/IT.

Requirements

• Expert-level C/C++ (C++14/17) with proficiency in multi-threaded programming and event-driven architectures.
• Deep knowledge of SIP (RFC 3261) and IMS call flows including VoLTE, VoWiFi, and RCS.
• Hands-on experience with RTP/RTCP, SRTP/DTLS-SRTP, and SDP offer/answer models.
• Strong experience with Diameter protocol development (Rx, Gx, Gy, Cx interfaces).
• Proficiency with memory management and debugging tools such as Valgrind, GDB, and AddressSanitizer.
• Experience with containerization using Docker and orchestration via Kubernetes.
• Understanding of NFV/MANO frameworks (ETSI NFV) and lifecycle management.

Preferred Qualifications

• Familiarity with DPDK or kernel-bypass networking techniques.
• Experience with STIR/SHAKEN identity framework implementation.
• Knowledge of media transcoding pipelines and SIPREC-based call recording.
• Experience designing REST/gRPC-based northbound APIs.

About the Company

Mavenir is the industry's only end-to-end, cloud-native network software provider. We are transforming the way the world connects by building a single, software-based automated network that runs on any cloud, serving more than 50% of the world’s subscribers across 120 countries.