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Fiverr Pro
English
$
USD
I will build a voice ai chatbot with rag langchain and langgraph
Shams
About this gig
Looking for a custom AI chatbot that understands your documents, PDFs, FAQs, and knowledge base? I will build a professional AI chatbot using RAG, LangChain, LangGraph, LLMs, and modern web technologies.
What I Offer
- RAG & knowledge-base chatbots
- PDF/document Q&A
- AI agents with LangChain & LangGraph
- Semantic & vector search
- AI customer support assistants
- Multilingual AI: English, Urdu & Pashto
- Voice AI with Speech-to-Text & Text-to-Speech
- AI forms and service assistants
- Human handoff & escalation
- Admin knowledge management
- Semantic caching & AI cost optimization
- REST APIs for web & mobile
Tech Stack
Next.js, React, TypeScript, Tailwind CSS, Python, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, RAG and LLM APIs.
I build practical, scalable AI solutions using your trusted knowledge and structured workflows.
Perfect for businesses, government portals, education, customer support, SaaS platforms, and document-based applications.
Please contact me before ordering to discuss your requirements and the best solution.
Get to know Shams
Shams
AI Engineer and Full Stack AI Developer
- FromPakistan
- Member sinceDec 2025
- Avg. response time1 hour
Languages
English
I build intelligent, production-ready software products by combining AI engineering, full-stack development, automation, and AI-native rapid development.
PRIMARY SERVICES
- AI Agents
- RAG Applications
- AI Automation
- AI SaaS
- Full-Stack Applications
- AI Chatbots
- Flutter AI Apps
- Business AI Systems
- MVP Development
- API & Cloud Integrations
TECHNOLOGIES
LangChain • LangGraph • n8n • Next.js • React • TypeScript • Python • FastAPI • Flutter • Firebase • PostgreSQL • MongoDB • LLM APIs • Vector Databases
My Portfolio
FAQ
Can you build a chatbot using my PDF documents?
Yes. I can build a RAG-based chatbot that retrieves relevant information from your documents before generating an answer.
Can you integrate LangChain and LangGraph?
Yes. I can build structured AI workflows and agentic systems using LangChain and LangGraph.
Can the chatbot support multiple languages?
Yes. I can implement multilingual AI assistants, including English, Urdu, and other supported languages.
Can you add voice interaction?
Yes. I can integrate Speech-to-Text and Text-to-Speech so users can communicate with the AI assistant using voice.
Can you connect the AI assistant to my database or APIs?
Yes. The AI agent can be connected to databases and authorized APIs/tools when required.
Can you build an AI assistant for a mobile application?
Yes. I can provide a mobile-ready backend/API architecture that can be consumed by Android or other applications
Can you reduce AI API costs?
Yes. I can implement techniques such as exact-match caching, semantic caching, and verified-answer caching to reduce unnecessary LLM requests.
Do you provide the AI API keys?
Usually, the client provides their own API keys so the AI usage remains under their account and billing.
