Raj K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

🚀 Senior AI Engineer | AI Agents | LLM Applications | Chatbots | Python & Node.js Expert 🏆 8+ Years Experience | 100+ AI & Automation Projects | SaaS & Enterprise Solutions 🥇 Specialist in AI Agents, Conversational AI, LLM Applications, and Scalable Backend Systems I help startups and companies build AI-powered applications, autonomous agents, intelligent chatbots, and scalable backend systems. With 8+ years of software development experience, I specialize in building production-ready AI systems using LLMs, vector databases, agent frameworks, and modern backend architectures. I have worked on AI SaaS platforms, conversational agents, chatbot automation systems, and ML-powered applications across industries, including SaaS, Healthcare, E-commerce, Real Estate, Finance, and Customer Support. My goal is simple: 👉 Build AI solutions that actually work in production — not just demos. 💡 AI & Development Expertise 🤖 AI Agents & LLM Applications ✔ OpenAI Agent SDK ✔ LangGraph ✔ CrewAI ✔ Google Agent Development Kit (ADK) ✔ Autonomous AI Agents ✔ Multi-Agent Systems ✔ Tool-Using AI Agents 🧠 Conversational AI & Chatbots ✔ Google Dialogflow ES / CX ✔ OpenAI Assistants API ✔ WhatsApp / Telegram / Messenger Bots ✔ RAG-based AI Assistants ✔ Knowledge Base AI Bots 🧠 Machine Learning & AI ✔ LLM Fine-Tuning & Inference ✔ TensorFlow / PyTorch ✔ NLP Systems ✔ Vector Search & RAG ✔ Object Detection (YOLO, RF-DETR) ✔ Image Classification ⚙️ Backend & Full-Stack Development ✔ Python (FastAPI, Flask) ✔ Node.js (Express, NestJS, TypeScript) ✔ Next.js / React Applications ✔ REST API & Microservices Architecture ✔ Webhooks, Integrations, Automation Systems I specialize in building high-performance backend systems designed for AI workloads. ☁️ Cloud, Infrastructure & DevOps ✔ Docker / Kubernetes ✔ AWS / GCP Deployment ✔ GPU-based AI inference systems ✔ CI/CD pipelines ✔ Scalable SaaS architectures 🧰 Tools & Technologies AI Frameworks: LangGraph, LangChain, OpenAI SDK, CrewAI Languages: Python, TypeScript, JavaScript Backend: FastAPI, Flask, Node.js, Express AI/ML: TensorFlow, PyTorch, HuggingFace Vector Databases: Pinecone, Qdrant, Weaviate, Chroma Databases: PostgreSQL, MySQL, MongoDB DevOps: Docker, Kubernetes, CI/CD 🌍 Industry Experience SaaS 🚀 | Healthcare 💉 | E-Commerce 🛒 | Real Estate 🏠 | Fintech 💳 | Customer Support 🤝 | AI Startups 🤖 | Automation Platforms ⚙️ Why Clients Work With Me ✔ Production-ready AI systems ✔ Clean architecture & scalable code ✔ Strong communication & documentation ✔ Fast iteration & delivery ✔ Business-focused AI solutions 💬 Looking to build an AI agent, chatbot, or LLM-powered application? Let's discuss your project and build something powerful.