Senior Full Stack AI Developer - MERN

We are looking for a highly skilled Senior Full Stack Developer with strong hands-on experience in MERN stack development , Epic EHR/EMR integrations , and modern AI/GenAI technologies . The ideal candidate will be responsible for designing, developing, integrating, and maintaining scalable healthcare applications that interact with Epic and other healthcare systems. The candidate should have a strong understanding of healthcare interoperability standards such as FHIR and HL7 , along with experience working with APIs, clinical data, authentication, and secure healthcare integrations. In addition to strong full-stack engineering skills, the candidate should have practical hands-on experience with AI/GenAI , including integrating AI capabilities into applications, working with LLMs, AI APIs, prompt engineering, RAG, or AI-assisted workflows. The candidate must be comfortable taking ownership of technical assignments independently and participating in architecture and technical discussions the stakeholders. Key Responsibilities: 1. Full Stack Development – MERN Design, develop, and maintain scalable web applications using: MongoDB Express.js React.js Node.js Develop reusable, maintainable, and secure frontend and backend components. Build responsive and user-friendly healthcare application interfaces using React. Develop scalable RESTful APIs and backend services using Node.js. Implement appropriate application architecture, design patterns, validation, error handling, logging, and exception management. Optimize application performance across frontend, backend, and database layers. Participate in code reviews and ensure adherence to coding standards and engineering best practices. 2. Epic Integration & Healthcare Interoperability Design and implement integrations between applications and Epic EHR/EMR . Develop and consume Epic APIs and healthcare interoperability interfaces. Work extensively with FHIR-based APIs and resources for exchanging healthcare information. Understand and work with healthcare data such as: Patient demographics Patient/clinical records Encounters Appointments Providers Medications Allergies Diagnoses/conditions Lab results Clinical observations Work with HL7 interfaces and healthcare integration workflows. Understand Epic integration concepts such as FHIR APIs, SMART on FHIR, OAuth 2.0, and Epic App Orchard . Build reliable workflows for retrieving, transforming, validating, and synchronizing healthcare data between Epic and external applications. Handle API authentication, authorization, token management, error handling, retries, rate limits, and integration failures. Troubleshoot and resolve issues across Epic and application integration layers. Collaborate with healthcare domain experts, product teams, and client stakeholders to understand clinical workflows and integration requirements. 3. AI / Generative AI Development Design and implement…