I will build an ai chatbot with rag using openai, python and fastapi


About this gig
I will build a custom AI chatbot or RAG-powered assistant using OpenAI, Python, FastAPI, and modern AI frameworks.
I can help you create an AI solution that can answer questions from your documents, knowledge base, website content, or business data while providing a smooth and reliable user experience.
What I can build:
- Custom AI chatbot
- RAG knowledge-base chatbot
- OpenAI API integration
- Document and PDF question-answering
- FastAPI backend
- Database or CRM integration
- User authentication
- Conversation flows and prompt engineering
- Website or application chatbot integration
- Deployment-ready backend
- Basic monitoring, testing, and documentation
Technologies may include Python, FastAPI, OpenAI, LangChain, Pinecone, PostgreSQL, n8n, Docker, and related tools depending on your project.
Why work with me:
- Senior full-stack and AI engineering experience
- Clean, maintainable, production-focused implementation
- Clear communication and realistic delivery expectations
- Strong focus on security, reliability, and practical business outcomes
Please contact me before ordering if your project has complex requirements, multiple integrations, or custom infrastructure so I can recommend the right package.
Get to know Fradzkhan U
Senior AI Engineer and FullStack Developer
- FromPhilippines
- Member sinceOct 2026
Languages
English, Tagalog
FAQ
1. What do you need from me to start?
Please provide your project requirements, target users, preferred AI model, data or documents to be used, desired integrations, and any existing application or API details.
2. Can you build a chatbot using my own documents or knowledge base?
Yes. I can build a RAG-powered chatbot that retrieves information from your PDFs, documents, website content, database, or other approved data sources.
3. Which AI models can you integrate?
I can work with OpenAI and other LLM providers depending on your requirements, including Claude, LLaMA, Ollama, and compatible APIs.
4. Can you integrate the chatbot with my website or application?
Yes. I can integrate the chatbot with websites, web applications, mobile apps, APIs, databases, and supported third-party systems.
5. Will I receive the source code?
Yes, if source code is included in the selected package or custom offer. I can also provide basic setup and deployment documentation.

