Key Skills

Developing, configuring and troubleshooting FreeSWITCH or Asterisk Experience with message and job queuing services (RabbitMQ) Should be able to customize or develop from scratch modules in asterisk, kamalio, Freeswitch

Responsibilities

- Design, develop and implement telephony networks with various components like SIP proxies, registrar, media-servers, etc in a cloud environment.
- Ensure that the voice architecture is highly available, fault-tolerant, and highly scalable.
- Troubleshoot and resolve voice and network protocol communications/routing issues.
- Write Custom Codes for Development
- Create tools to automate critical aspects of production systems

Key Skills

- 5+ years of industry experience in developing, configuring and troubleshooting FreeSWITCH or Asterisk
- Experience with message and job queuing services (RabbitMQ)
- Should be able to customize or develop from scratch modules in asterisk, kamalio, Freeswitch
- Should have experience of working with proxy such as kamalio, opensip, RTPProxy
- Should have experience of working with load balancers with sip signals and media
- Should have experience in transcoding audio/video codecs
- Should have experience in redis database, mysql




- Should have thorough knowledge of SIP stacks and media servers
- Should possess positive programming knowledge in C/C++, perl
- Should be good understanding of database and integrating db with VoIP switch
- Good in development of AGI,FastAGI, Dialplan, FS Scripts
- WebRTC knowledge would be edge

Requirements

Degree in Computer Science, Information Technology, Telecommunications, and/or equivalent work experience Some software development experience with an object-oriented or functional programming language (Python, Elixir or Go are a plus)

Nice to have

- Experience with Open Source VoIP applications such as Kamailio, OpenSIPS, FreeSWITCH, RTPEngine, Asterisk and open source tools such as Wireshark, sngrep and Homer
- Experience with containers and automation tools such as Docker, Ansible, Jenkins and Kubernetes
- Understanding of IP telephony (VoIP), TCP/IP Networks and related protocols (SIP, RTP, RTCP, ISUP, TLS, STUN, TURN, WebRTC)
- Experience with Linux, open source tools and shell scripting
- An appreciation of functional programming and a strong desire to become an expert Python, Elixir or Go programmer.
- Experience working with relational databases at scale

📌 Asterisk/Free SWITCH/VoIP Developer (India)
🏢 iq infotech
📍 India