What are the responsibilities and job description for the Principal AI Engineer position at Nxt Level?
Senior AI Engineer (Healthcare)
Location: New York City — On-site
Employment Type: Full-time | Department: Engineering
Compensation: $200,000–$350,000 Equity
Overview
We’re hiring a world-class Senior AI Engineer to build cutting-edge systems for an AI doctor platform. You’ll design and deploy safety-critical, production AI that delivers diagnostic reasoning, chronic disease management, and seamless healthcare data processing—all with rigorous accuracy and clinical safeguards.
What You’ll Build
Core AI Architecture
- Multi-agent consensus: specialized models debate cases before reaching conclusions.
- RAG at scale: pipelines ingesting thousands of clinical guidelines curated for LLMs.
- Real-time inference: optimize latency and throughput for millions of daily consultations.
- Domain workflows: custom reasoning chains for condition- and specialty-specific care.
Clinical Data Systems
- HIPAA-compliant NLP: extract structured data from patient conversations.
- EHR connectivity: integrate with QHINs for automated retrieval/reconciliation.
- Intelligent triage: route cases between AI and clinicians via complexity scoring.
- Documentation: generate notes that conform to provider protocols and coding rules.
Safety & Scale Infrastructure
- Emergency detection with sub-second human escalation.
- Validation layers targeting 99% plan accuracy vs. clinical standards.
- Distributed systems for explosive peak loads and rapid user growth.
- Fail-safes for regulated, critical-path decisions.
You’ll also tackle voice/video interfaces, multilingual medical NLP, predictive health modeling, and the platform foundation for the next billion patient interactions.
Required Qualifications
Education & Background
- BS in CS (or equivalent experience). Hard-science degrees (Physics/Math/Engineering) welcome.
- Startup DNA preferred: founding engineer, founder, or deep early-stage experience.
- Proven self-direction with excellent cross-functional collaboration.
Technical Expertise
- 7 years engineering; expert in LLMs and generative AI.
- Deep experience with OpenAI GPT, Anthropic Claude, LLaMA, and other FMs.
- Strong prompt engineering, fine-tuning, and model optimization in specialized domains.
- Built real-time production AI systems.
- Proficient in Python and TensorFlow/PyTorch; modern AI tooling.
Preferred Qualifications
- Healthcare/med-tech AI experience; familiarity with HL7, FHIR, clinical workflows.
- Safety, bias detection, and fairness in medical AI.
- Domain NLP research/implementation.
- Worked with clinicians or in regulated environments.
- Publications in AI/ML (healthcare/safety-critical a plus).
- Seed/Series A startup experience.
- Advanced degree in CS/AI/ML or related field.
What We Offer
- Competitive base meaningful equity at a seed-stage company with top-tier investors.
- Direct impact building AI that transforms care for millions of patients.
- High autonomy and technical leadership, reporting to the CEO.
- Access to cutting-edge models, tooling, and clinical advisors.
- Collaboration with leading physicians and AI researchers.
- Benefits reimbursement.
Salary : $200,000 - $350,000