Sully.ai is looking for a Senior Applied AI Engineer to join our Receptionist Agent Team. You'll own the end-to-end API development and AI voice agent building and scaling, partnering with Product and Clinical teams to translate requirements into production-grade conversational AI and maintain robust EHR integrations.
What You'll Do
- Design and implement TypeScript/Node.js endpoints for voice-agent interactions, authentication, scheduling workflows, and secure EHR data exchange.
- Independently build, test, and deploy voice agents using platforms like Retell AI or Vapi AI—creating custom function-call APIs and dialogue flows.
- Update and maintain integration layers to connect voice agents to customer EHR systems for appointment confirmation, rescheduling, and logging.
- Establish logging, alerting, and metrics dashboards to ensure reliability, low latency, and high success rates in live deployments.
What We're Looking For
- 5+ years of software engineering experience.
- 3+ years in backend AI or conversational systems in production.
- Proven ability to independently build voice agents on third-party platforms (Retell AI, Vapi AI, etc.).
- Strong proficiency in TypeScript/Node.js.
- Familiarity with RESTful/GraphQL API design, Docker, and Kubernetes for containerized deployments.
- Experience integrating applications with healthcare data standards (e.g., FHIR, HL7).
Nice to Have
- React experience.
- Experience building and integrating API's.
- Background in chatbot or voice-AI projects in production environments.
- Knowledge of compliance frameworks (HIPAA, SOC-2).
- Excellent communication skills for paired programming and documentation.
Technical Stack
- TypeScript
- Node.js
- React
- RESTful/GraphQL APIs
- Docker
- Kubernetes
- FHIR
- HL7
- Retell AI
- Vapi AI
Team & Environment
You will be part of the Receptionist Agent Team.
Benefits & Compensation
- Competitive salary
- Equity
- Remote-first culture
- Opportunity for impact in a rapidly growing company
Work Mode
This is a remote position.
Sully.ai is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to status as a protected veteran or a qualified individual with a disability, or other protected status such as race, religion, color, national origin, sex, sexual orientation, gender identity, genetic information, pregnancy or age.
