Senior Backend Engineer, Infrastructure

Ellipsis Health is developing cutting-edge AI/ML products to address healthcare staffing issues and administrative burdens. The platform employs conversational AI and patented vocal biomarker technology to deliver improved healthcare experiences for clients and patients. The team is headquartered in Silicon Valley and is funded and supported by preeminent venture capital groups and healthcare institutions.

In this role, you will be a core contributor and technical leader within our AI Research & Engineering team. Operating at the sweet spot between cutting-edge scientific research and production-grade systems, you will drive the conceptualization, architecture, and deployment of frontier agentic systems. You will collaborate directly with core infrastructure and platform teams to translate algorithmic breakthroughs in LLMs and agentic AI into robust, secure, and low-latency clinical applications.

Responsibilities:

• Expand and maintain our real-time voice pipeline: design, implement, and

  maintain Python micro-services for conversational AI orchestration—audio

  capture, streaming transcription, prompt/LLM logic, synthesis, and playback.

• Integrate new providers & transports: add plug-ins for emerging ASR, TTS,

  LLM, and memory services; wire up WebRTC, SIP, or phone endpoints; build

  adapters that allow hot-swapping components without downtime. Build API

  endpoints.

• Deliver ultra-low latency (