Senior Full-Stack Developer RAG, AI, React, Next.js, Node.js, OpenAI

Job Details

Description

Summary We are looking for an experienced Full-Stack Developer to integrate a production-ready AI chatbot into our existing React/Next.js application. The chatbot should provide intelligent, human-like conversations, maintain conversation context, leverage our business knowledge base, and integrate seamlessly with our existing backend systems. This is a production-level AI integration project requiring strong experience with LLMs, Retrieval-Augmented Generation (RAG), vector databases, AI agents, and modern web development. Responsibilities - Integrate an AI chatbot into our existing React/Next.js application. - Connect the chatbot with OpenAI API, Claude API, Gemini API, or other suitable LLM providers. - Build conversation memory and context management. - Implement RAG using our internal knowledge base. - Integrate a vector database (Pinecone, Qdrant, Weaviate, Chroma, or pgvector). - Develop a modern, responsive chat interface. - Connect the chatbot with existing REST APIs, backend services, and databases. - Implement secure authentication so the chatbot recognizes logged-in users. - Optimize latency, token usage, streaming responses, and overall AI performance. - Secure API keys, user data, and AI requests following industry best practices. - Deploy the solution to our production environment. Required Skills - AI Chatbot Development - OpenAI API or other LLM APIs - React.js - Next.js - Node.js - Express.js - TypeScript / JavaScript - REST API Integration - WebSockets - MongoDB / PostgreSQL / MySQL - Prompt Engineering Nice to Have - Retrieval-Augmented Generation (RAG) - LangChain - LangGraph - LlamaIndex - AI Agents - MCP (Model Context Protocol) - Pinecone - Qdrant - Weaviate - ChromaDB - pgvector - Supabase - Redis - Vercel AI SDK - Streaming AI Responses - Semantic Search - Embeddings - Function Calling - Tool Calling - Knowledge Base Chatbots - Multi-Agent Systems - Production AI Applications Preferred Experience Candidates who have built production AI applications such as: - AI Customer Support Chatbots - AI Sales Assistants - Knowledge Base Chatbots - Internal Company AI Assistants - RAG Applications - AI Agents - Chatbot Integrations - AI Workflow Automation - Enterprise AI Applications To Apply Please include: 1. Links to AI chatbot or AI agent projects you have built. 2. Which LLM(s) you recommend (OpenAI, Claude, Gemini, or others) and why. 3. A brief summary of your approach to building a scalable production AI chatbot. Only applicants with relevant AI chatbot, LLM, RAG, or AI application experience and portfolio examples will be considered.

Skills

OpenAI API Artificial Intelligence Next.js TypeScript API Integration ChatGPT LangChain +7

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telegram	pre_ai_job_alert	sent	Fri, Jul 31, 2026 1:57 PM	-

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