Voice Engineer/VOIP

Voxvalley Technologies

Exp:3-10Yrs

Location: Hyderabad

Required Skills

• Minimum

  4 years of experience

  in VoIP or Voice Engineering; 4-6 years typical for Mid-level, 6+ years preferred for Senior.
• Proficiency in

  C/C++

  and

  Linux

  systems programming (POSIX APIs, pthreads, real-time scheduling).
• Strong understanding of

  SIP, RTP/RTCP, SDP, and VoIP call flows

  , including SIP trunking and session negotiation.
• Experience with voice codecs such as

  G.711, G.729, Opus

  and real-time audio processing.
• Hands-on experience with

  MySQL

  ,

  Redis

  and service design for low-latency access.
• Familiarity with cloud and container tooling:

  AWS

  ,

  Docker

  ,

  Kubernetes

  , and

  Git

  .
• Excellent

  debugging, profiling, performance tuning, and problem-solving

  skills; comfortable with observability and load-testing.
• Experience with network fundamentals (TCP/UDP, NAT, STUN/TURN/ICE) and troubleshooting tools (Wireshark, tcpdump).

Good to Have

• Hands-on experience with

  Kamailio

  ,

  OpenSIPS

  ,

  PJSIP

  , or

  RtpProxy

  .
• Knowledge of

  SBCs

  ,

  NAT traversal

  , and

  STUN/TURN/ICE

  mechanisms.
• Exposure to

  WebRTC

  ,

  SRTP/TLS

  ,

  GStreamer

  or media frameworks.
• Experience with microservices architecture,

  Kubernetes

  , and CI/CD pipelines for production deployments.
• Familiarity with observability stacks (Prometheus, Grafana), and logging/alerting best practices.