Software Engineer Job at Covetus, Milpitas, CA

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  • Covetus
  • Milpitas, CA

Job Description

We are seeking a highly skilled Senior Engineer with expertise in voice media controllers (eg. GVMC) , Dialogic XMS , and deep knowledge of SIP/RTP protocols . The ideal candidate will have a strong background in C++ and Java development , with experience in packet analysis (Wireshark/PCAPs), debugging SIP/RTP issues , and designing scalable communication solutions.

Key Responsibilities

  • Develop and enhance media processing solutions using GVMC and Dialogic XMS using MSML APIs.
  • Implement, troubleshoot, and optimize SIP and RTP call flows for VoIP and video communication.
  • Analyze and debug packet captures (PCAPs) using Wireshark, tcpdump , and other network debugging tools.
  • Design and optimize real-time media streaming solutions for VoLTE, ViLTE, and multi-party video conferencing .
  • Develop and maintain C++ and Java-based software for VoIP and media processing applications .
  • Integrate, test, and validate SIP-based call sessions , ensuring protocol compliance with ATIS 0700005, T1.678 V2, ETSI 102-232 Part 5 & 7 .
  • Collaborate with QA and DevOps teams to automate testing for SIP, RTP, and media services .
  • Optimize transcoding and media handling for H.264, H.263, VP8, and MPEG video streams.
  • Contribute to architectural design decisions , ensuring system scalability and high availability.
  • Work with Kubernetes-based deployments for GVMC/Dialogic XMS in cloud environments (GCP, AWS, Azure) .

Required Skills & Qualifications

Technical Expertise

  • Expert knowledge of SIP, RTP, and VoIP protocols (Call Setup, Media Negotiation, SDP, ICE, STUN, TURN).
  • Deep understanding of media processing frameworks such as GVMC, Dialogic XMS, FreeSWITCH, and Asterisk .
  • Strong experience in C++ and Java development for real-time communication applications.
  • Hands-on experience analyzing SIP, RTP, and T.38 FAX PCAPs using Wireshark/tcpdump .
  • Experience with SIP signaling flows, error handling (503, 408, 487, etc.), and debugging call failures .
  • Proficiency in media codecs (G.711, G.722, AMR-WB, Opus, H.264, VP8, MPEG) .
  • Experience in deploying GVMC/Dialogic XMS in Kubernetes (K8s) clusters .
  • Knowledge of distributed logging and monitoring tools (ELK Stack, Prometheus, Grafana).

Preferred Skills

  • Experience with WebRTC, IMS, and VoLTE/ViLTE protocols .
  • Knowledge of network security (TLS, DTLS, SRTP) for VoIP .
  • Experience with cloud-native architectures (GCP, AWS, Azure) .
  • Familiarity with CI/CD pipelines (Jenkins, GitHub Actions) for VoIP applications .
  • Hands-on experience in high-performance media gateway solutions .

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