Full Stack AI Developer (100% Remote)

Full Stack Developer (React/Python with focus on AI integrations) (100% Remote)Long-term 5 year project.Position Summary.We are seeking an experienced Full Stack AI Developer to lead the development and integration of cutting edge AI Agents, Agentic Workflows and Generative AI services into Front-End React applications.This role requires proficiency in Python, FastAPI, Gen AI Patterns, Prompt Engineering, Large Language Models (LLMs), RAG and related AI technologies.Candidate work alongside full stack developers, UX designers, product managers and data engineers to shape and implement enterprise-grade Gen AI solutions.This position REQUIRES the candidate to be either a U.S. Citizen, or green card holder having lived in the U.S. continuously for more than 5 years. (no H1B or H4 visa). - If you do not meet this requirement, do not apply. We cannot hire you for this position.Security Clearance: This position REQUIRES the ability to obtain a Public Trust security clearanceCore ResponsibilitiesGen AI/ML Development and IntegrationArchitect and implement scalable AI Agents, Agentic Workflows and GenAI applications to address diverse and complex business use cases.Integrate GenAI solutions with enterprise platforms via FastAPI and REST API based methods and GenAI standardized patterns.Architect, design, develop, and deploy Python microservices and APIs within an event-driven, cloud-native ecosystem.Design and deploy RetrievalAugmented Generation (RAG) and Graph RAG systems using vector databases and knowledge bases.Build and maintain Jupyterbased notebooks using platforms like SageMaker and MLFlow/Kubeflow on Kubernetes (EKS).Establish and enforce validation procedures with Evaluation Frameworks, bias mitigation, safety protocols, and guardrails for productionready deployment.Design & build robust ingestion pipelines that extract, chunk, enrich, and anonymize data from PDFs, video, and audio sources for use in LLMpowered workflows—leveraging best practices like semantic chunking and privacy controlsOrchestrate multimodal pipelines using scalable frameworks (e.g., Apache Spark, PySpark) for automated ETL/ELT workflows appropriate for unstructured mediaImplement embeddings drives—map media content to vector representations using embedding models, and integrate with vector stores to support RAG architecturesReact DevelopmentIntegrate React single-page applications (SPAs) with FastAPI and Python backends to integrate cutting edge AI Agents, Agentic Workflows and Gen AI servicesImplement high-performance UI patterns for real-time AI streaming (Server-Sent Events) to ensure a fluid, responsive user experience.Design and implement UI components for Retrieval-Augmented Generation (RAG), allowing users to query mission-critical documentation with grounded citations.Required Technical Skills3+ years of experience in AI development and machine learningHands-on development and integration experience with LLMs (e.g., VertexAI, OpenAI, Anthropic) and prompt engineering.Strong Python development skills including: Building CLIs, automation scripts, and service backends (e.g., FastAPI)Experience with Django, FastAPIExperience implementing solutions leveraging MCP (Model Context Protocol) and A2A (Agentto-Agent) communication.Knowledge of AI UX Best Practices (handling hallucinations, human-in-the-loop validation).Proven, hands on experience with LangChain and LangGraph, or similar LLM frameworksExcellent knowledge of data modeling, relational and nosql databases (PostgreSQL, Oracle)Highly motivated and self-driven professionalStrong hands-on technical skills with modern technologiesStrong verbal and written communication skills2+ years of experience with Agile frameworks such as Scrum or Kanban2+ years of experience using task management software such as JiraProven experience integrating frontend applications with AI services (Google Vertex AI, OpenAI, or Azure OpenAI).Experience with building and consuming FastAPI, RESTful APIs and integrating them with UI componentsProficiency with React Single Page Applications (ReactJS, JavaScript, TypeScript, CSS, HTML)Proficiency with React UI performance optimization techniques, such as code splitting, lazy loading, and cachingAdditional Desired SkillsStrong programming skills in GOExperience with Google Cloud (GCP)Experience with Oracle Cloud Infrastructure (OCI)Experience with event streaming and messaging patterns.Experience in "Contract-First" development.Prior experience building large, complex federal data-entry systems.Identity StatementAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments.We reserve the right to take your picture to verify your identity and prevent fraud.A final, onsite face to face interview will be required.Candidate AI Usage PolicyAI is a part of our daily work at Vanguard DevOps, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.