GoodBox.ai
Website:
goodbox.in
Company:
https://www.linkedin.com/company/goodbox-ai
Seniority: Mid-Senior level
Industries: Software Development
Job details:
About the Role
We are building a next-generation cloud telephony and Voice AI platform, similar to Exotel, Plivo, Twilio and Knowlarity.
We are looking for a Principal VoIP & Telephony Infrastructure Engineer to build the core telephony infrastructure powering our platform.
You will own SIP, RTP, FreeSWITCH/Kamailio, SIP trunking, carrier integrations, call routing and real-time audio streaming.
What You'll Work On
- Build and scale carrier-grade SIP/VoIP infrastructure
- Design call routing, SIP trunking and carrier integrations
- Work with FreeSWITCH, Kamailio, OpenSIPS or Asterisk
- Build high-concurrency inbound and outbound calling infrastructure
- Develop real-time RTP/WebSocket audio streaming
- Build infrastructure for virtual numbers, call recording, DTMF, transfers and conferencing
- Optimize latency, reliability, call quality and scalability
- Build integrations with telecom operators and SIP providers
- Work closely with our Voice AI team to connect telephony with AI agents
What We're Looking For
- 5+ years of strong VoIP/telephony experience
- Deep understanding of SIP, RTP, SDP, SIP Trunking and PSTN
- Strong hands-on experience with FreeSWITCH, Kamailio, OpenSIPS or Asterisk
- Experience building high-concurrency production voice systems
- Strong Linux and networking fundamentals
- Experience with Go, C/C++, Python or Node.js
- Experience with telecom carriers/SIP providers is a big plus
Bonus
Experience at a CPaaS, cloud telephony, telecom or contact-center company such as Exotel, Plivo, Twilio, Acefone, Ozonetel or Knowlarity.
Location: [Bangalore]
Experience: 5+ years
Type: Full-time
If you have built the infrastructure behind large-scale voice platforms and want to build the next generation of telephony + Voice AI, we'd love to hear from you.
Click on Apply to know more.