[Remote] Applied AI Engineer

Note: The job is a remote job and is open to candidates in USA. StitchFin is building the next generation of healthcare revenue cycle infrastructure with AI at the core. As an Applied AI Engineer, you'll design, build, and ship AI-powered features while developing and integrating voice AI capabilities, ensuring that systems are robust and reliable in real healthcare operations.ResponsibilitiesDesign, build, and ship AI-powered features across the revenue cycleBuild agentic AI systems that can handle complete multi-step workflows with appropriate human oversight and guardrailsDevelop and integrate voice AI capabilitiesStand up retrieval, prompting, and fine-tuning pipelines using LLMs and other ML models, and choose the right tool for each problem rather than defaulting to one approachBuild rigorous evaluation harnesses, offline and onlineMove features from prototype to production: monitoring, latency and cost optimization, fallback behavior, and the unglamorous reliability work that real systems needCollaborate with domain experts to encode revenue cycle logic correctly, and design human-in-the-loop experiences for cases the system shouldn't handle aloneResearch and develop underlying model capabilitiesSkills5+ years of software engineering experience, with 2–3 years building and shipping ML or LLM-powered features in productionStrong programming skills in Python (and comfort with at least one other language)Hands-on experience with modern LLMs, RAG, evaluation, and integrating model APIs into real applicationsSolid software fundamentals: APIs, data pipelines, testing, version control, and deploying services in cloud environments (AWS, GCP, or Azure)A product mindset, you care about whether the thing works for users and the business, not just whether the model benchmark looks goodComfort with ambiguity and messy, real-world dataAgentic AI, experience building agent systems, including guardrails and human-in-the-loop designVoice AI, experience with conversational voice systemsFine-tuning, distillation, or other model-customization techniquesBuilding and maintaining LLM evaluation frameworks and observability toolingPrior experience in healthcare, fintech, insurance, or another regulated, high-stakes domainFamiliarity with healthcare data standards and conceptsStartup experienceBenefitsCompetitive salaryEquityHealthcare benefitsPTOFlexibility to do your best work anywherein the USCompany OverviewStitchFin delivers the first agentic AI platform for Revenue Cycle Management and Patient Experience. It was founded in 2023, and is headquartered in Atlanta, Georgia, US, with a workforce of 11-50 employees. Its website is https://www.stitchfin.com/.