Ellipsis Health · 22 hours ago
AI Agent Engineer
United States
Full-time
Remote
Mid Level
$150K/yr - $180K/yrEllipsis Health is creating innovative AI/ML products aimed at improving healthcare staffing and administrative challenges through conversational AI. The AI Agent Engineer will design, implement, and optimize prompts and workflows for AI-powered healthcare agents, ensuring accurate and empathetic communication with patients and providers.
Artificial Intelligence (AI)Health CareInformation TechnologySoftware
Responsibilities
Design, write, and maintain production-grade prompts, implement function tools and build workflow graphs for AI agents to support healthcare tasks such as patient outreach, enrollment, symptom screening, and follow-up care
Implement and evolve function tools (structured actions, validations, handoffs, and integrations) that agents can invoke during conversations
Build and maintain conversation workflows and graphs, including branching logic, guardrails, recovery paths, and escalation flows
Design and own context-assembly pipelines, including which data, memory, and tool outputs are provided to the model at each step of an interaction
Create and curate knowledge base documents (retrieval-ready, model-friendly) and define strategies for grounding agent responses in trusted content
Ensure AI outputs adhere to health literacy standards, inclusive language, cultural sensitivity, and regulatory expectations, driven by both prompt design and structured context
Evaluate AI behavior end-to-end, identify whether failures are driven by prompting, missing or misleading context, retrieval issues, or model limitations, and iterate accordingly
Stay current on LLM capabilities, orchestration patterns, and ethical standards for deploying AI in regulated healthcare environments
Qualification
Required
Experience building or shipping LLM-powered applications in healthcare or other regulated environments, involving both prompt engineering and dynamic context, retrieval, or orchestration
Strong written communication skills, with the ability to craft clear prompts and define structured context inputs
Ability to reason about LLM system behavior, diagnose failures, and determine whether issues stem from prompts, context, retrieval, or model limitations
Technical fluency in JavaScript and/or Python languages and comfort working within backend or AI pipelines
Preferred
Experience working in healthcare or other regulated environments, including awareness of HIPAA and PHI handling
Familiarity with conversational AI or voice agents, including multi-turn dialogue, latency constraints, and error recovery
Experience designing function-calling / tool-use patterns for LLMs
Experience with knowledge retrieval systems (RAG, embeddings, structured KBs)
Familiarity with LLM observability or evaluation tools (e.g., Langfuse, prompt eval frameworks)
Background in digital health, care coordination, or patient-facing systems
Benefits
401 (k) that matches up to a certain percentage of your salary
Health, vision, and dental insurance
Very flexible paid time off
Company
Ellipsis Health
AI Nursing Care Manager
Founded in 2017
11-50 employees
H1B Sponsorship
Ellipsis Health has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (1)
2023 (2)
2021 (1)
Funding
Current Stage
Early StageTotal Funding
$75.02MKey Investors
SJF VenturesKhosla Ventures
2025-06-12Series A· $45M
2021-06-15Series A· $26M
2021-01-13Seed
Leadership Team
Mainul Mondal
Founder & CEO
Dr. Michael Aratow
Chief Medical Officer, Co-Founder
Recent News
2025-10-22
Company data provided by crunchbase