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Hizar62/README.md

Hizar Sajjad - AI Engineer

I build production-ready AI systems for startups - LLM integrations, RAG pipelines, multi-agent workflows, and automation that ships and scales. My stack covers GPT-4, Claude, LLaMA 2, LangChain, FastAPI, n8n, Flutter, and AWS SageMaker. 10+ workflows delivered, Top-Rated on Upwork record, 300+ daily AI queries handled, 25h+ saved per week for clients.

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  1. Upwork-Optimizer Upwork-Optimizer Public

    AI-powered tool to analyze and optimize Upwork profiles with actionable insights, scoring, and auto-generated descriptions to help freelancers get more clients.

    Python 1

  2. chatbot-mental-health chatbot-mental-health Public

    Chatbot for Mental Health with LLM (Llama-2 7B Parameter Model) deployed on aws sagemaker, Frontend with react.js and Firebase for the DB

    Jupyter Notebook

  3. AI-Debate-Bot AI-Debate-Bot Public

    AI-powered debate system where multiple LLM agents argue different perspectives on a given topic, enabling structured, multi-round discussions with reasoning, rebuttals, and final conclusions.

    TypeScript

  4. Emotion-Detection Emotion-Detection Public

    A TensorFlow-based emotion recognition system that uses computer vision to detect faces (via Haar cascades) and classify facial expressions into emotional categories from images or webcam input.

    Jupyter Notebook

  5. Spicy-Spoon-POS Spicy-Spoon-POS Public

    A Flutter desktop (Windows) point-of-sale app for restaurants using GetX for state management and Hive for fast local (offline) storage; supports product/deal management, sales history, and compact…

    Dart 1 1

  6. Brain-Tumor-Detection Brain-Tumor-Detection Public

    A machine learning project that analyzes brain MRI scans to automatically detect the presence of tumors using CNN-based image classification, helping support medical diagnosis with high accuracy.

    Jupyter Notebook