VoIP Engineer

Title : VOIP Engineer

Responsibilities:

Design, Develop, Implement and Deploy VoIP solutions tailored to our specific business requirements

Design and develop custom modules or modify existing module of Telephony platform

Design and develop APIs for external modules to communicate to Telephony platform.

Monitor the entire VoIP infrastructure, proactively identifying and addressing any potential issues or bottlenecks

Ensure the uptime, performance, and security of our VoIP systems, implementing necessary measures to mitigate risks

Implement CI/CD pipeline for devops practices

Stay up-to-date with industry trends, emerging technologies, and best practices in the VoIP domain

Provide guidance and expertise to customers and internal stakeholders, advising on VoIP-related matters and recommending appropriate solutions

Preferred Skills:

3 to 8 years of development experience in VOIP/SIP domain especially with FreeSWITCH or Asterisk or Kamailio or Opensips

Strong development experience with at least two of the following languages C and C++/Go lang/Python/Lua

Working experience and knowledge on STUN, TURN and WebRTC technologies

Good experience writing new modules or modify existing modules in FreeSWITCH/Asterisk

Significant experience with FreeSWITCH, Asterisk or Kamailio/Opensips, including installation, configuration, and troubleshooting

Strong technical understanding of SIP, WebRTC ,RTP, SRTP, TTS and voice codecs, with the ability to analyse and troubleshoot complex VoIP issues

Very good understanding of FreeSWITCH XML Dialplan, Event socket module (ESL) and Asterisk AMI/FastAGI/AGI

Very good FreeSWITCH/Asterisk Administration skills

Hands-on experience with scripting languages such as Python, Lua ,Bash and GO lang

Very good knowledge on REST API implementing based on Go/Python using Flask/FastAPI/Django/Gin etc

Hands-on experience with Linux operating systems, such as Ubuntu/CentOS/Debian, including system administration and command-line proficiency

Hands-on experience with Monitoring tools like SNGREP, Wireshark, TCPDUMP and HOMER

Experience using Docker, Ansible, Kubernetes or similar tools to deploy standard open-source services on Linux

Excellent problem-solving skills and the ability to work effectively in a fast-paced environment

Strong communication skills, with the ability to explain complex technical concepts to non-technical stakeholders

Proven ability to work both independently and collaboratively within a team

Experience with any opensource products is an added advantage.