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IT Services, Consulting, Software Development, Cloud Computing

Software Engineer

Massachusetts, United StatesOnsiteFull TimePosted 2 months ago

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Role summary

TechBiz Global is seeking a proactive Software Engineer for one of its clients. The role involves architecting and operating low-latency, high-throughput systems for live phone calls and audio streaming. Responsibilities include building backend orchestration services using Node.js/TypeScript (with Python/Go as needed) to integrate STT, TTS, LLMs, and telephony providers. The engineer will work with WebSockets, WebRTC, streaming audio, and real-time events, contributing to both backend and frontend (React/Next.js) components. Deep integration with Twilio, SIP, and VoIP systems is required, alongside a focus on scalability, reliability, observability, and security. A background in real-time audio/video infrastructure or Voice/Conversational AI is preferred.

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio.

We are currently looking for a highly proactive and detail-oriented Software Engineer to join one of our clients' teams. If you're looking for an exciting opportunity to grow in an innovative environment, this could be the perfect fit for you.

Key Responsibilities

- Architect and operate low-latency, high-throughput systems for live phone calls and bidirectional audio streaming
Build backend orchestration services (primarily Node.js / TypeScript, with Python or Go as needed) that integrate STT, TTS, LLMs, and telephony providers
- Work hands-on with WebSockets, WebRTC, streaming audio pipelines, and real-time event processing
Contribute to our agent builder dashboard and developer tools (React / Next.js)
- Integrate deeply with Twilio, SIP trunks, VoIP systems, and carrier constraints. Also handling IVRs, transfers, DTMF, call drops, and compliance edge cases
- Anticipate scaling bottlenecks; drive improvements in reliability, observability, failover, monitoring, alerting, and logging
- Enforce security and compliance best practices across the stack

  • 3+ years building production-grade systems lvy league / Stanford / MIT preferred
  • Deep expertise in JavaScript / TypeScript and Node.js
  • Hands-on experience with real-time technologies (WebSockets, WebRTC, streaming audio/video)
  • Comfortable owning both backend and frontend
  • Strong fundamentals in networking, latency optimization, and system design
  • Startup DNA: high ownership, execution bias, ability to ship fast in a low-politics environment
  • Opinionated yet pragmatic, you know when to push for elegance and when to ship
  • Background in real-time audio or video infrastructure
  • Voice AI or conversational AI exposure
Ready to apply?
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