I will build production ready ai saas, custom llm chatbots, and ai mobile apps

Build Scalable AI SaaS, RAG Chatbots & LLM Agents

Hi, I'm Md. Marjan Hossain, a Senior Full-Stack Engineer & AI Lead with 5+ years of experience building scalable AI applications. I create secure, production-ready AI solutions using LLMs, RAG, agentic workflows, and modern cloud architecture.

Services:

• AI Chatbots: RAG, Document QA, Support Bots
• AI SaaS: FastAPI/Django, React, Next.js
• LLM Agents: LangChain, LangGraph, OpenAI, Anthropic, Gemini
• Voice AI: Vapi.ai, Retell AI
• Computer Vision: YOLO, OpenCV, OCR
• Mobile AI: Flutter, Android
• API Development & Automation

Tech Stack:

Python, FastAPI, Django, Node.js, React, PostgreSQL, Redis, ChromaDB, Pinecone, Docker, Kubernetes, AWS.

Why Choose Me?

• Clean, scalable code
• Cost-optimized AI solutions
• Secure, tested architecture
• Fast communication & on-time delivery

Please contact me before ordering to discuss your project and build the best AI solution.