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I will build ai saas web apps with langchain, rag, llms and vector databases
Saeed H Barcha
À propos de ce service
Full-Stack AI Developer | AI Web App Developer | LangChain Developer | RAG Expert | LLM Integration | Vector Database | React JS | Node JS | Python
Hello,
I'm Saeed, a Full-Stack AI Developer with 4+ years of experience building modern websites, scalable web apps, and AI-powered solutions.
My expertise includes:
- AI web apps, SaaS platforms, and chatbots
- LangChain, LangGraph, RAG pipelines, and AI agents
- OpenAI, Claude, Gemini, Mistral, and Llama integrations
- Pinecone, ChromaDB, FAISS, Qdrant, and pgvector
- React JS, Next.js, TypeScript, and Tailwind CSS
- Node JS, Express JS, Python, FastAPI, REST APIs, and JWT
- MongoDB, PostgreSQL, MySQL, Supabase, and Firebase
- Deployment on AWS, Vercel, Docker, and DigitalOcean
- I can build document chatbots, AI assistants, knowledge bases, semantic search systems, automated workflows, and complete AI SaaS applications.
You will receive clean code, responsive design, secure architecture, and a solution tailored to your needs.
I focus on clear communication, reliable delivery, and production-ready results that support your business growth.
Please contact me before placing an order to discuss your project.
Thank you.
Découvrez Saeed H Barcha
Saeed H Barcha
Full Stack Developer and AI Engineer, MERN , PERN , UIUX Designer Figma
- DePakistan
- Membre depuisjuil. 2021
- Temps de réponse moy.1 heure
- Dernière commande9 mois
Langues
Ourdou, Anglais, Hindi
Full-Stack Developer & AI Engineer with 5+ years of experience building scalable, secure, and high-performance web applications using MERN & PERN stacks. Expert in React, Node.js, MongoDB, PostgreSQL, and Figma. I specialize in advanced AI solutions including RAG, Agentic AI systems, LLMs, and LangChain, creating intelligent, data-driven applications. I deliver clean, maintainable code and intuitive, user-friendly designs—handling everything from backend architecture to pixel-perfect interfaces tailored to your business needs.
Mon portfolio
FAQ
What type of AI web applications can you build?
I can build AI chatbots, document assistants, knowledge bases, semantic search tools, automated workflows, AI agents, and complete AI SaaS applications.
Which LLMs can you integrate?
I can integrate OpenAI, Claude, Gemini, Mistral, Llama, and other suitable language models based on your requirements.
Do you develop RAG applications?
Yes. I can build RAG systems that retrieve information from PDFs, websites, databases, documents, and APIs to generate more relevant responses.
Which vector databases do you work with?
I work with Pinecone, ChromaDB, FAISS, Qdrant, Weaviate, Supabase Vector, and PostgreSQL with pgvector.
Can you build both the frontend and backend?
Yes. I provide complete full-stack development using React JS, Next.js, Node.js, Express.js, Python, FastAPI, and modern databases.
What do you need before starting the project?
Please share your project idea, required features, preferred technology stack, reference examples, budget, and expected delivery timeline.
Can you deploy the completed application?
Yes. I can deploy your application using AWS, Vercel, Docker, DigitalOcean, Render, or Railway.
