h
hadriiwriterrs

Ali Haider Awan

@hadriiwriterrs

I build custom AI solutions and fix complex web application bugs

Pakistan
English, Urdu
About me
Hi! I am a dedicated Computer Scientist and Full-Stack Developer with a passion for building and fixing complex systems. I specialize in two core areas: 🧠 AI & Custom LLMs: I build secure, custom RAG chatbots (Python, LangChain, vector databases) that let you interact with your private documents with zero AI hallucinations. 💻 Web App Bug Fixing: I quickly diagnose and resolve deep-rooted errors in React, Node.js, and MongoDB (MERN) applications. I don't just patch symptoms; I fix root causes with clean, documented code. Let's build or fix your next project!... Read more

Skills

h
hadriiwriterrs
Ali Haider Awan
Offline • 
Average response time: 1 hour

See my services

Bug Fixes
I will fix bugs and errors in your react or node js app
From$30 / projectMore details
AI Chatbot Development
I will build ai chatbot, rag, ai chatbot development, ai chatbot set up, gohighlevel
From$90 / projectMore details

Portfolio

Work experience

Freelancer.com

AI & Full-Stack Developer

Freelancer.com

Jan 2026 - Mar 2026 • 2 mos

Engineering custom Retrieval-Augmented Generation (RAG) chatbots using LangChain, OpenAI, and ChromaDB to turn static documents into interactive knowledge bases. Concurrently debugging and optimizing complex MERN stack applications (React, Node.js, MongoDB), resolving deep architectural bugs and deployment issues for web clients.