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I will fine tune llm and build rag system using langchain and python
Machine Learning Engineer
Hi, I'm Ali Hassan, a Machine Learning Engineer offering AI development services, including building custom ML models and debugging or improving existing AI systems and pipelines. I work with advanced...
About this Gig
Tired of AI that doesn't understand your business? I build custom LLM solutions fine-tuned models and RAG systems that actually know your domain, speak your language, and deliver accurate results.
What I offer: LLM Fine-Tuning: GPT, Llama 3, Mistral using LoRA/QLoRA on your data RAG Pipelines: Document-aware chatbots with Pinecone, FAISS, or ChromaDB LangChain / LlamaIndex integration FastAPI deployment + Hugging Face / AWS hosting Reduced hallucinations & domain-specific accuracy
Industries served: Legal, Healthcare, E-commerce, Finance, SaaS
You get: clean source code, documentation, and post-delivery support.
Message me before ordering to discuss your use case let's build AI that actually works for YOUR business.
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FAQ
What data do I need to provide?
For fine-tuning, a minimum of 500–1000 labeled examples in CSV/JSON format. For RAG, your PDFs, URLs, or knowledge base files.
Which LLM models do you work with?
GPT-3.5/4, Llama 3, Mistral 7B, Falcon, and other open-source Hugging Face models.
Will I own the fine-tuned model?
Yes. You receive full source code, model weights (where applicable), and deployment scripts.
Can you integrate this into my existing app?
Yes, via REST API (FastAPI) that plugs into any web or mobile app.
What if I don't know which approach I need — RAG or fine-tuning?
Message me — I'll analyze your use case and recommend the right architecture for free.
