I will build custom llm applications with rag


About this gig
Need a RAG system that actually works on your real data not just on a toy dataset?
I build production-grade RAG pipelines that let your team query thousands of documents with fast, accurate, contextual answers powered by the best LLMs.
WHAT'S INCLUDED:
Document ingestion pipeline (PDF, DOCX, CSV, TXT, web URLs)
Embedding generation + vector store setup (Pinecone, pgvector, Chroma)
LLM integration (OpenAI GPT-4, Claude, Gemini, or open-source)
FastAPI endpoint + LangSmith monitoring + Docker-ready deployment
Full documentation and post-launch support
Message me first I will review your use case and confirm the right package.
Get to know AbdurRehman
Senior AI Engineer
- FromPakistan
- Member sinceDec 2018
Languages
English, Urdu, Punjabi, Spanish, German, French, Italian
My Portfolio
Other AI Development Services I Offer
FAQ
What services do you offer?
I provide AI development and automation services for startups, agencies, and businesses looking to streamline operations and improve efficiency. I build scalable, production-ready AI systems tailored to your business goals.
Can you integrate AI into an existing website?
Yes — I can integrate AI features into your existing website, SaaS platform, CRM, or internal system without rebuilding everything from scratch. I work with APIs, custom AI chatbots, automation workflows, and RAG-based AI systems that fit directly into your current infrastructure
Which technologies do you use to develop AI Apps?
I work with modern AI and automation technologies including LangChain, LangGraph, OpenAI API, Claude API, Pinecone, FastAPI, Python, Docker, pgvector, n8n, Zapier, Supabase, Make, and LangSmith. The stack depends on your project goals, scalability needs, and budget.
What is your development process?
My process usually includes: • Requirement gathering & planning • Architecture & AI workflow design • Development & API integration • Testing & optimization • Deployment & monitoring • Documentation & post-launch support I keep communication clear throughout the project.
Do you provide deployment services?
Yes — I provide full deployment support including cloud deployment, Docker setup, API hosting, automation deployment, monitoring, and production-ready configurations for scalable AI systems.
How do you ensure data privacy and security?
I follow secure development practices including encrypted API communication, secure authentication methods, role-based access control, protected environments, and proper handling of sensitive business data. Client confidentiality is always a priority.
What platforms can the chatbot be integrated into?
AI chatbots can be integrated into websites, SaaS platforms, CRMs, Slack, Discord, WhatsApp, Telegram, Shopify, HubSpot, customer support systems, and many other platforms through APIs or automation tools.
Can your chatbot understand and respond in multiple languages?
Yes — the chatbot can support multiple languages including English, Urdu, Arabic, French, and many others depending on your business requirements and target audience.
Can the chatbot handle complex conversations and queries?
Yes — I build advanced AI chatbots using RAG systems, memory handling, and multi-step workflows that can manage context-aware conversations, document retrieval, customer support tasks, and complex business queries.
Will I get future support after delivery?
Absolutely. I provide post-delivery support, bug fixes, documentation, and guidance to ensure your AI system runs smoothly after launch. Long-term maintenance and upgrade support can also be arranged if needed.

