Senior Full Stack AI Engineer (Natural Language Systems)

Job Title: Senior Full Stack AI Engineer (Natural Language Systems) Prompt is a mission-driven startup looking for an experienced Senior AI Engineer to help push forward an ambitious set of AI initiatives in healthcare, with a particular emphasis on speech and language processing. Prompt delivers highly automated and modern B2B enterprise software to rehab therapy businesses, their teams, and most importantly the patients they serve. We’ve established ourselves as the go-to platform in the space and are rapidly growing our market share by delivering software people love. As we scale our telephony AI and speech processing initiatives—including our AI scribe and other real-time language workflows—we’re looking for a innovative Sr. AI Engineer that loves solving high-impact problems. This role combines deep technical expertise in AI with strong software engineering fundamentals to build reliable, production-grade systems. You’ll help us apply the latest generative AI and ML methods to real-world workflows where speed, accuracy, and results matter. This is an opportunity to be at the forefront of real-world AI applications in healthcare—building systems used every day by clinics, staff, and patients. Responsibilities Drive Prompt’s mission to improve healthcare through modern technology including AI Lead AI projects from ideation → architecture → production → iteration until features are widely adopted and loved! Develop and deploy real-time AI systems involving speech and natural language understanding (e.g., transcription, summarization, classification) Build robust model and prompt pipelines for LLM-powered workflows with high accuracy and monitoring standards Partner with Product and Engineering to identify high-leverage AI opportunities and deliver measurable outcomes Help develop Prompt’s strategic AI roadmap across speech, NLP, and core automation workflows Apply AI to improve client and internal operations including clinical documentation, customer support, and billing workflows Develop a deep understanding of Prompt’s product, customers, and the business of rehab therapy Help grow and lead the AI team, including training and development of junior team members Qualifications 4+ years of experience building AI/ML systems in industry or academia, with meaningful production ownership Strong experience building and evaluating NLP and/or LLM systems (e.g., retrieval, summarization, classification, extraction, agent workflows) Experience working with speech-related pipelines in production or near-real-time settings (e.g., speech-to-text, spoken intent classification, conversational AI) Track record of benchmarking and iteratively improving accuracy, cost, and latency Enthusiastic and pragmatic problem-solving mindset Excellent communication skills, with the ability to explain complex AI concepts to non-technical stakeholders Python (>3.9) Docker (Basics) AWS familiarity (S3, RDS, EC2) preferred Willingness to learn and deeply understand the healthcare sector, specifically physical therapy, occupational therapy, and speech therapy Please only apply if you are interested in a heavy code contribution role; this is not an engineering management position, though growth opportunities exist over time Nice-to-Haves Experience building and optimizing real-time speech processing systems (latency, streaming, stability) Experience with modern STT engines and their evaluation Experience with modern TTS enginesand voice pipeline integration Experience designing, developing, and optimizing IVR applications Experience working with CPaaS platforms (e.g., Twilio) for telephony workflows and conversational routing Experience architecting ML/LLM evaluation pipelines and quality systems (offline + online evaluation, golden sets, regression testing) Experience with recommendation systems, automation systems, or large-scale workflow orchestration Familiarity with FastAPI, Pydantic, SQLAlchemy, PostgreSQL Experience with CI/CD pipelines and production observability tooling Experience building healthcare software and/or data processing pipelines Perks- What you can expect: Competitive salaries Remote/hybrid environment Potential equity compensation for outstanding performance Flexible PTO Company-wide sponsored lunches Company paid disability and life insurance benefits Company paid family and medical leave Medical, dental, and vision insurance benefits Discounted pet insurance FSA/DCA and commuter benefits 401k Complimentary subscription to digital fitness classes and wellness content Recovery suite at HQ – includes a cold plunge, sauna, and shower Here at Prompt, we are committed to fostering a fair and respectful work environment. As part of this commitment, it is our policy not to hire individuals from Prompt Customers unless they have obtained their current employer's explicit consent. We believe in upholding strong professional relationships and respecting the agreements and commitments our customers have with their employees. We appreciate your understanding and cooperation regarding this policy. Please don't hesitate to inquire with our team. Prompt Therapy Solutions, Inc is an equal opportunity employer, indiscriminate of race, color, religion, ethnicity, ancestry, national origin, sex, gender, gender identity, sexual orientation, age, marital status, veteran status, disability, medical condition, or any other protected characteristic. We celebrate diversity and are committed to creating an inclusive environment for all employees. Prompt Therapy Solutions, Inc is an E-Verify Employer.