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

M
mdmarjanhossain
M
mdmarjanhossain
Appbytes
build production ready ai saas, custom llm chatbots, and ai mobile apps
Full Screen
build production ready ai saas, custom llm chatbots, and ai mobile apps

About this gig

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.

  • Application Type

    • Web Application

  • Desktop Frameworks

    • React Native for Web
    • Kivy
    • Tkinter
    • Flutter for Desktop

  • AI Type

    • Chat
    • Shopping
    • Booking
    • Restaurant
    • Health & Fitness
    • Education
    • Dating
    • Medical
    • Travel
    • E-commerce
    • Custom
    • IoT
    • Real Estate

  • Programming Language

    • Python
    • React
    • PyTorch
    • Tensorflow
    • Keras

  • Web Frameworks

    • Django

  • No & Low-Code Builders

    • Other

Get to know Appbytes

Appbytes
5.0(3)
  • FromBangladesh
  • Member sinceJan 2021
  • Last delivery1 year

  • Languages

    Bengali, English, Hindi
Hi, I’m Marjan, a Software Engineer helping startups and businesses turn ideas into complete software products. I build web and mobile applications, AI-powered solutions, SaaS platforms, and custom business systems from planning to deployment, including backend development, Flutter and Android apps, AI/ML, computer vision, and scalable cloud-based systems. I focus on clean, maintainable code, clear communication, and delivering reliable solutions that align with business goals. If you need a trusted development partner to build, improve, or scale your product, I can help.

My Portfolio

Other AI Development Services I Offer

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