Browse categories
Explore
Fiverr Pro
English
$
USD
I will build ai rag chatbot with openai langchain and vector database
Arjav J
About this gig
Need a custom AI chatbot that can answer questions from PDFs, documents, websites, or business data?
I build scalable AI RAG systems using OpenAI, LangChain, vector databases, and modern backend technologies. I am a full-stack software engineer experienced with Golang, Python, .NET, Next.js, React, AI pipelines, and scalable SaaS architecture.
Services I offer:
- AI document chatbots
- PDF and knowledge-base chat systems
- OpenAI and LangChain integrations
- Vector database integration (Pinecone, ChromaDB, FAISS)
- AI APIs and automation workflows
- AI SaaS applications and dashboards
- Secure backend API development
Tech Stack:
- OpenAI / GPT
- LangChain / LlamaIndex
- Python / Golang / .NET
- Next.js / React
- PostgreSQL / MongoDB / Redis
- Docker / Cloud Deployment
Why work with me?
- Production-focused engineering
- Clean scalable architecture
- Startup and SaaS experience
- Source code included
Please contact me before placing an order to discuss your project requirements.
Get to know Arjav J
Arjav J
- FromIndia
- Member sinceJun 2024
Languages
English
As an experienced Full-Stack Engineer, I specialize in building scalable web applications, CMS platforms, and microservices. I have a proven record of delivering high-performance solutions using C#, Golang, Python, . NET, React. js, and Next .js. My clients benefit from my focus on advanced caching, AI integration, and optimized performance. With a background in leading cross-functional teams, driving process improvements, and a track record of on-time, quality delivery, I’m here to bring your project vision to life—efficiently and reliably.
My Portfolio
FAQ
Can you build AI chatbots using my own documents or business data?
Yes. I can build RAG-based AI systems that use your PDFs, documents, databases, websites, or internal knowledge base to provide accurate AI-generated responses.
Which AI models and technologies do you work with?
I work with OpenAI GPT models, LangChain, LlamaIndex, vector databases such as Pinecone and ChromaDB, and modern backend/frontend technologies including Python, Golang, .NET, Next.js, and React.
Can you deploy the AI application to cloud platforms?
Yes. I can help deploy your application using Docker and cloud platforms such as AWS, GCP, Azure, Render, Railway, or VPS servers depending on your project requirements.
Do you provide source code and documentation?
Yes. All packages include source code, and I also provide clean project structure and technical guidance for future maintenance and scalability.
Can you integrate AI into my existing application or SaaS platform?
Absolutely. I can integrate AI chat, document search, automation workflows, or custom AI APIs into your existing website, SaaS product, CRM, or internal tools.
