I will create automation backend with fastapi


About this gig
Looking for a developer to build a reliable AI-powered web app or backend? I specialize in FastAPI, Django, Flask, Node.js and Next.js to create scalable, production-ready systems with real-world performance.
I build full-stack AI solutions including APIs, chatbots, and RAG-based systems. Whether you need a simple MVP or a complete SaaS platform, I deliver clean, efficient, and maintainable code.
What I Offer:
- Full-stack web apps (FastAPI, Django, Flask, Next.js, Nuxt.js, NestJS)
- REST APIs & backend systems
- Database integration (MongoDB, PostgreSQL)
- AI chatbot & LLM integrations
- RAG pipelines (Pinecone, ChromaDB, vector DBs)
- Custom AI features & fine-tuning
- Debugging, optimization & scaling
- Deployment support (Docker, cloud-ready)
What You Get:
- Clean, maintainable code
- Scalable & secure architecture
- Clear communication & support
Perfect for startups, SaaS, and AI automation projects.
Message me before ordering to discuss your requirements.
Get to know Mujtaba Haider
Data Scientist and Full Stack Developer
- FromPakistan
- Member sinceFeb 2025
- Last delivery3 months
Languages
English, French, German, Spanish, Italian
My Portfolio
FAQ
How do you ensure data privacy and security?
Your data is handled with strict confidentiality. I never share, reuse, or store your files beyond the project. Everything stays secure and is deleted immediately after delivery upon request.
What platforms do you use to build AI websites and chatbots?
I work with modern web frameworks like React, Next.js, Node.js, Python (FastAPI/Flask), and integrate AI via OpenAI API, LangChain, or custom RAG pipelines.
Can you integrate the chatbot into my existing website?
Yes! I can embed AI chatbots into your existing website, web app, or SaaS platform without disrupting your current setup.
What is RAG and why is it important?
RAG (Retrieval-Augmented Generation) allows the chatbot to retrieve relevant documents or knowledge from your data and generate accurate responses, making AI smarter and more context-aware.
Do you provide custom model training or fine-tuning?
Yes, I offer optional custom model fine-tuning or training for specialized tasks, knowledge domains, or enhanced performance.
Will my AI website be responsive and mobile-friendly?
Absolutely. All websites I build are fully responsive, ensuring smooth performance on desktop.
Do you include deployment and hosting support?
Yes, I can help deploy your AI system on AWS, VPS, or cloud platforms with Docker and API-ready setups for seamless operation.
How many pages can you build?
Packages range from a single chatbot page to multi-page AI SaaS platforms with admin dashboards, analytics, and user authentication.
Will I get access to the source code?
Yes. All packages include clean, well-commented, and reusable source code for your future updates and maintenance.
How secure is the AI chatbot and website?
Security is a priority: I implement proper authentication, data handling, and best practices to protect your website and user data.

