Senior Software Engineer, Voice AI

🕒 vor 1 Monat

🇺🇸 Vereinigte Staaten – Remote

💵 $125.000 - $156.000 / Jahr

⏰ Vollzeit

🟠 Senior

🤖 KI-Ingenieur

🦅 H1B-Visum-Sponsor

Dieses Unternehmen hat in der Vergangenheit H1B-Visa gesponsert.

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Natera

WebsiteLinkedInAlle Stellen

1001 - 5000 Mitarbeiter

Gegründet 2004

🏥 Gesundheitswesen

🧬 Biotechnologie

⚕️ Krankenversicherung

Healthcare • Biotechnology • Healthcare Insurance

Natera ist ein weltweit führendes Unternehmen in der Technologie der zellfreien DNA-Tests, das sich auf nicht-invasive genetische Tests und Diagnostik spezialisiert hat. Die innovativen Lösungen des Unternehmens konzentrieren sich auf Bereiche wie pränatales Screening, Krebstestung und Überwachung von Organtransplantationen. Durch den Einsatz fortschrittlicher Bioinformatik und DNA-Analysen bietet Natera medizinischen Fachkräften und Patienten entscheidende Informationen, um fundiertere medizinische Entscheidungen treffen zu können.

Beschreibung

• Own the end-to-end voice AI architecture — from Twilio media streams through LLM orchestration to TTS output and call disposition. • Design and implement multi-agent systems using tool calling, agent handoffs, and shared conversation state for complex patient workflows. • Build and optimize real-time audio pipelines — WebSocket streaming, codec handling (mulaw/PCM), VAD configuration, and interruption management. • Architect analytics and observability infrastructure for voice-specific metrics: per-segment latency (STT/LLM/TTS), call efficacy, disposition accuracy, and ASR error rates. • Solve voice-specific challenges: turn-taking timing, silence detection thresholds, barge-in recovery, medical term recognition, and end-to-end latency optimization. • Integrate voice agents with internal services via secure authenticated APIs. • Drive platform reliability — eliminate single points of failure, implement multi-provider LLM failover, and design graceful degradation paths. • Collaborate with product and clinical operations to improve self-serve efficacy rates and reduce call escalations. • Mentor team members on voice AI best practices and contribute to architectural decisions.

🎯 Anforderungen

• 5+ years of software engineering experience, with at least 2 years building production voice AI or conversational AI systems. • Deep experience with voice AI pipelines — you understand the end-to-end flow from telephony through STT, LLM processing, TTS, and back to the caller, and you've solved real problems at each stage. • Production experience with agentic architectures — multi-agent orchestration, tool calling, agent handoffs, memory/state management, and LLM-driven decision making in real-time conversation contexts. • Strong understanding of voice-specific challenges: VAD tuning, turn-taking, interruption/barge-in handling, latency budgets, audio codec management, and the differences between voice and text-based AI UX. • Hands-on experience with telephony systems — Twilio (media streams, SIP, IVR), or equivalent platforms with WebSocket-based audio streaming. • Proficiency in TypeScript/Node.js with strong async programming patterns; experience with NestJS or similar frameworks. • Experience with STT/TTS providers (Deepgram, OpenAI, ElevenLabs, Azure Speech) and understanding of ASR accuracy challenges (domain-specific vocabulary, noise handling). • Production experience with LLM APIs — OpenAI (especially Realtime API), Anthropic Claude, or equivalent; prompt engineering for conversational agents. • High agency and autonomy — you don't wait for permission, detailed specs, or hand-holding. You unblock yourself, seek out the highest-impact work, and drive it to completion. • Excellent communication — you can translate complex voice AI architecture decisions for product and clinical stakeholders.

🏖️ Vorteile

• Comprehensive medical, dental, vision, life and disability plans for eligible employees and their dependents. • Free testing for Natera employees and their immediate families. • Fertility care benefits. • Pregnancy and baby bonding leave. • 401k benefits. • Commuter benefits. • Generous employee referral program!