Senior Applied AI Engineer

About the Role
We are seeking a Senior Voice Agent Engineer to build Sully.ai’s voice platform and patient experience as an individual contributor. In this role, you will design and implement a reliable, self-hosted voice agent stack (including UAE/KSA deployments), integrate with enterprise EHRs, and turn a long list of use cases into a cohesive patient journey. You will start with hands-on customer interactions and then help transition routine touchpoints to Sales, Design, and PM as the platform matures.

About Us
👏 Team from OpenAI, DeepMind, NASA, GoogleX, Tesla, and 2 physicians: 6 exits, 2 IPOs.
🔥 Our model outperforms Claude, Gemini, and GPT-4.5 on clinical benchmarks.
📈 400+ healthcare orgs signed in 16 months.
⚡ $25M raised from YC, Amity Ventures, Sequoia scouts, and more.
🌎 $1T+ market opportunity. We’re going after all of it.

Key Responsibilities

• Build and operate a self-hosted voice agent stack for UAE/KSA with strong reliability, compliance, and data residency guarantees.
• Implement enterprise EHR integrations with Epic and Cerner, including HL7/FHIR data flows.
• Ship core features such as registration and scheduling, billing and insurance, and prior authorization.
• Establish rigorous QA and automated testing for nurse triage and other safety-critical workflows.
• Own observability and reliability for voice: implement monitoring, logging, tracing, alerting, SLOs and SLIs, incident response, and drive MTTR down.
• Partner closely with Product and Design to ensure a cohesive end-to-end patient experience.
• 5+ years in software engineering at early-stage companies with rapid growth.
• Ability to operate in regulated healthcare (HIPAA) and design for safety, privacy, and security.
• Proven reliability engineering using observability, SLOs/SLIs, incident management, and MTTR improvement.
• Strong communication skills and comfort leading early customer-facing technical sessions.
• Proficiency in TypeScript and familiarity with real-time telephony and media (e.g., SIP, WebRTC, IVR).
• Prior self-hosted or on-prem deployments with regional compliance, including UAE/KSA.
• Hands-on experience across the voice stack: ASR, TTS, LLM orchestration, dialog/control logic, and call handling.

Hard Requirements

Nice-To-Have

• Enterprise EHR integration experience (Epic, Cerner) with HL7/FHIR fundamentals.
• Nurse triage or clinical call-flow experience and automated test harnesses for safety checks.
• Take ownership of the Omar and Nasser workstream and align on a thin-slice delivery plan.
• Map the highest-value use cases and call scripts and propose a cohesive patient journey.
• Stand up a self-hosted prototype for UAE/KSA and validate reliability and compliance requirements.
• Success OKRs (90 Days)

First-Month Focus

• Operate a reliable, self-hosted voice agent slice in UAE/KSA with clear SLOs and a material reduction in MTTR.
• Launch at least one pilot integration with Epic or Cerner demonstrating end-to-end patient flows.
• Support high-volume patient interactions with strong quality metrics (CSAT, containment rate, handoff accuracy).
• Deliver 3–5 new sub-agents or features, instrumented for learning and iteration.

Culture Fit

• Persistent, driven problem solver.
• Willing to push back on leadership to defend quality/timelines.
• Thrives in high-ambiguity, fast-paced startup environments.
• Why Join Sully.ai?
• 🔥 Shape the Future of Healthcare: Build category-defining partnerships that enable doctors to focus on saving lives.
• 📈 Early-Stage Impact: Join early and play a critical role in shaping our partnership roadmap and overall company growth.
• 🌎 Remote-First Culture: Work with a talented, mission-driven team in a flexible, remote environment.
• 💰 Competitive Compensation: Enjoy a competitive salary, equity, and the opportunity to make a real difference.
• 🏆 Solve Scalability Challenges: Tackle complex challenges in a rapidly growing company, driving impactful change in healthcare.

Sully.ai is an equal opportunity employer. In addition to EEO being the law, it is a policy that is fully consistent with our principles. 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. Sully.ai prohibits any form of workplace harassment.