Preeti S.

Looking for an experienced AI Engineer who can turn your AI idea into a production-ready product? I build AI SaaS applications, autonomous AI agents, RAG chatbots, LLM-powered applications and intelligent business automation systems that solve real business problems. With 8+ years of software development experience, 50+ completed Upwork projects, 11,000+ hours billed and a 100% Job Success Score, I help startups, SaaS companies and established businesses design, develop and launch scalable AI-powered products. I specialize in combining Generative AI, LLMs, AI Agent Development and full-stack engineering to build solutions that go beyond simple AI demos. Whether you need a custom AI agent, an intelligent chatbot, an AI-powered SaaS platform, or AI integration into your existing application, I can handle the complete development process from architecture to deployment. 🚀 WHAT I CAN BUILD FOR YOUR BUSINESS 1. AI SaaS Development & AI Product Engineering - Custom AI SaaS application development - AI-powered web applications and platforms - Multi-tenant SaaS architecture - SaaS dashboards and admin panels - User authentication, OAuth2 and role-based access control (RBAC) - Subscription management and payment gateway integration - AI-powered CRM and business management platforms - Database architecture, REST APIs and backend development - Cloud deployment, scalability and performance optimization 2. AI Agent Development & Autonomous AI Systems - Custom AI agent development - Autonomous AI agents and agentic AI systems - Multi-agent systems and AI agent orchestration - LLM-powered agents with tool/function calling - AI assistants and task automation agents - LangChain-based AI applications - AI agents connected to databases and external APIs - Context management, memory and structured outputs - Human-in-the-loop AI workflows 3. RAG Development, Knowledge Base & AI Chatbots - Custom RAG pipeline development - AI chatbot and conversational AI development - Document AI and intelligent document processing - PDF, Word and structured data ingestion - Document chunking and embedding generation - Vector database integration - Semantic search and similarity search - Context-aware retrieval and response generation - Retrieval optimization and answer accuracy improvements - Knowledge base chatbots and AI customer support assistants 4. AI Automation & Business Process Automation - End-to-end AI workflow automation - AI-powered business process automation - WhatsApp automation using Meta and Twilio APIs - CRM and sales workflow automation - AI lead qualification and lead management - Customer support and ticket automation - Email automation and intelligent responses - API integrations and third-party service automation - Automated reporting and data processing - AI-powered operational workflows 5. LLM Integration, Generative AI & OpenAI Development - OpenAI API integration (GPT models) - LLM application development - Generative AI application development - AI content generation and summarization - AI-powered search and recommendations - Function calling and structured JSON outputs - Prompt engineering and response optimization - Context-aware AI assistants - LLM integrations with Laravel, Node.js and React applications - Third-party AI API integrations 6. Full-Stack Web & Mobile Application Development My full-stack engineering experience allows me to build the complete product around the AI functionality, including frontend, backend, APIs, databases and mobile applications. - Frontend: React.js, Next.js, JavaScript, TypeScript - Backend: Node.js, Laravel, PHP, Python, FastAP - Development: REST API development, third-party API integration, database design, authentication, backend architecture and application deployment. - Mobile: Android and iOS application development. 🤝 LET'S BUILD SOMETHING INTELLIGENT Whether you are building an AI SaaS startup, developing autonomous AI agents, integrating RAG into your existing application, or automating business operations, I can help turn your requirements into a reliable, production-ready solution. I am available for long-term engagements, hourly contracts and milestone-based projects. Send me a message with your project idea, requirements and expected outcome. Let's discuss the right architecture and a practical development roadmap for your product. KEYWORDS AI Engineer | AI Developer | AI SaaS Developer | AI Agent Developer | AI Automation Engineer | Generative AI | Agentic AI | Autonomous AI Agents | Multi-Agent Systems | AI Agent Development | LLM Application Development | LLM Integration | OpenAI API Integration | RAG Development | RAG Chatbot | Retrieval-Augmented Generation | AI Chatbot Development | AI Assistant Development | Conversational AI | SaaS Development | AI Product Development | AI MVP Development | Full-Stack Development | React.js | Next.js | Node.js | Laravel | Python | FastAPI | REST API Development | API Integration | WhatsApp Automation | CRM