
Senior Backend Engineer (Remote) at Telnyx
Voice AI, Voice APIs, and eSIMs powered by Telnyx. One platform. Full control. No compromises.
Systems-focused backend role on the WebRTC squad supporting Voice SDK backend services; owns services for authentication/token management, push notifications, proxying, RTC DNS, and diagnostic logging; responsible for design through deployment, monitoring, scaling, and production support; focused on reliability, scalability, observability, connection setup, routing, rollout safety, and diagnosing issues across backend, networking, and client connectivity; collaborates closely with mobile and JavaScript SDK engineers plus infrastructure; must have strong production backend and distributed systems experience, service lifecycle ownership, Kubernetes/containers/CI/CD, observability, and networking fundamentals; must have Elixir or Erlang experience or be able to ramp quickly in Elixir; bonus: WebRTC/VoIP/voice-video systems, WebSockets, APNs/FCM, DNS/edge routing/service discovery/globally distributed systems, internal diagnostic tools, backend services for mobile or JavaScript SDKs
Remote from Ireland, Poland, Netherlands, Vietnam, or India






