Role: FreeSWITCH Developer (C/C++ & SIP Engineer)

Company Name: WillWare Technologies

Work Model: Onsite / Fulltime

Experience: 5 - 8 Years

Desired Competencies (Technical Competency):

- Must-Have: C, C++, SIP

- Good-to-Have: Asterisk or other similar tool experience

Education: B.Tech in Computer Science / Electronics / Telecommunications, or equivalent

Role Expectations:

- FreeSWITCH hands-on (dialplan, modules, ESL/API integrations)

- Free switch with C or C++ dev programming

- WebRTC stack (ICE, STUN/TURN, DTLS-SRTP, SDP, mod_verto, WSS)

- SIP proficiency (RFC 3261, trunk config, NAT, codec tuning, RTP optimization, SRTP/TLS)

- Integrate FreeSWITCH with Contact Center platforms (custom CCaaS stacks)

- Configure ACD (Automatic Call Distribution), skill-based routing, and queue management via mod_callcenter or fifo queues

- Enable call recording, monitoring, whisper/barge, and supervisor features

Roles and responsibilities:

- Health monitoring, incident response, log tracing, change mgmt

- Gateway deploy, WSS, TURN, ICE/DTLS troubleshooting, codec mgmt

- Runbooks, SOPs, cross-team collab, Log analysis