Mengistu — Backend Development freelancer in Addis Ababa

⭐ a Top Rated freelancer with over 4+ years of experience, I specialize in building AI-powered full-stack applications using LLMs, RAG pipelines, and intelligent AI agents. From fast MVPs to production-ready platforms, I deliver scalable solutions tailored for startups and enterprises alike. 💡 What I Bring to Your Project: 🔹 AI & LLM INTEGRATIONS ✅ OpenAI, Claude, Gemini, Mistral, Llama ✅ LangChain, RAG pipelines (Retrieval-Augmented Generation) ✅ AI Agents (task automation, multi-step planning) ✅ Vector databases: Pinecone, Weaviate, ChromaDB ✅ Prompt engineering, embeddings, tools & memory integration 🔹 BACKEND DEVELOPMENT ✅ Python (FastAPI, Django) ✅ Node.js (NestJS, ExpressJS) ✅ C# (.NET Core) ✅ RESTful API & WebSocket architecture 🔹 FRONTEND DEVELOPMENT ✅ React.js, Next.js, Redux, TypeScript ✅ Tailwind CSS, MUI, Bootstrap, HTML\u002FCSS ✅ Figma to Code, Responsive & Mobile-First UI 🔹 DATABASE & INFRASTRUCTURE ✅ PostgreSQL, MySQL, MongoDB ✅ Supabase, Firebase, Prisma, NextAuth ✅ Docker, NGINX, GitHub Actions, Jenkins, PM2 ✅ AWS, GCP, Azure (deployments, scaling, CI\u002FCD) #LangChain #RAG #OpenAI #LLMs #FastAPI #NodeJS #ReactJS #NextJS #Supabase #Prisma #Python #TypeScript #VectorDB #AIagents #MERNStack #NestJS #FullStackDeveloper #Chatbot #Backend #Frontend #PromptEngineering #CI\u002FCD #GCP #AWS #DevOps