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Hassaan149/README.md

πŸ‘‹ Hey there, I'm Hassaan Ahmad.

Full Stack AI Engineer | Computer Vision & NLP Specialist

πŸ† Top Rated Freelancer | 100% Job Success
🧠 3+ years building and deploying scalable AI/ML systems
🌍 Open to freelance, full-time remote, and consulting roles


🧠 What I Do

I build reliable, production-ready AI systems:

  • πŸ” Retrieval-Augmented Generation (RAG) using LangChain, LlamaIndex, pgvector
  • 🎯 Vision Systems (YOLOv8, 3D pose estimation, aerial detection, stereo vision)
  • πŸ—£οΈ LLM-based NLP (Flan-T5, LLaMA, GPT fine-tuning, entity extraction, email classification)
  • βš™οΈ Automated ML Workflows (Vertex AI pipelines, BigQuery, Terraform, CI/CD with Cloud Build & GitHub Actions)
  • 🧠 Backend AI Services (Django, scalable APIs, real-time inference servers)

πŸ§‘β€πŸ’Ό Professional Experience

Full Stack AI Software Developer

NASTP β€” June 2025 – Present

  • Building high-performance, real-time computer vision applications using Nvidia DeepStream & GStreamer
  • Orchestrating real-time computer vision workloads using Docker Swarm
  • Building a video analytics dashboard with multiprocessing for precision control over RTSP streams
  • Training and deploying state-of-the-art YOLO models for real-time object detection and tracking
  • Built a dashboard for managing camera input streams, model selection and observing compute usage
  • Lead architect in building and deploying a facial recognition access control system with Nvidia Triton Inference Server, FastAPI interface and Milvus DB for search and retrieval

Software Developer

Ivedha Inc β€” April 2022 – March 2025

  • Leveraged cloud technologies to forecast and optimize cloud costs using system-level metrics
  • Designed and developed scalable backend systems using microservices architectures
  • Leveraged large language models for implementing RAG systems for user-specific knowledge bases and requirements
  • Designed and developed intricate data models for storage and accession of complex data via concurrent API calls
  • Deployed well-orchestrated solutions optimized for on-prem and cloud services
  • Collaborated on the development of a global outage monitoring system for banking services
  • Built a document retrieval, processing and ingestion pipeline to client storage using llama-index for RAG and Postgres for staging
  • Developed and deployed an information retrieval system using llama-index, using Postgres' pgvector for storing vector indices to build a Q/A chatbot, leveraging a Docker Compose stack for deployment

Deep Learning Engineer

QLU.ai β€” March 2024 – June 2024

  • Used state-of-the-art ResNet-152 ImageNet-pretrained models for ethnicity classification of profile images
  • Designed and developed a highly-performing semantic search solution for extracting relevant information from large corpora of text
  • Designed and developed a profile-ranking mechanism for executive profiles using natural language processing and statistical methods
  • Oversaw deployment of existing as well as newly-incorporated AI systems on both on-prem and cloud infrastructure
  • Analyzed systems using evaluation metrics such as AUC, Precision and Recall for better results

🌟 Freelance Highlights

  • Delivered RAG pipelines, LLM APIs, vision-based trackers & smart inference services
  • Built secure microservices, dockerized deployments, GPU-based inference APIs
  • Successful contracts with consistent 5⭐ reviews

πŸš€ Projects Showcase

  • zone-mapper: DBSCAN + Markov transition matrix to forecast delivery zones
  • llama-index-rag: Vector-based RAG chatbot using Postgres + pgvector
  • ksa-plate-detector: DETR fine-tuning and edge deployment for plate recognition
  • semantic-search-api: Embedding-based semantic search using huggingface & Faiss
  • stereo-vision-pose: YOLOv11 for stereo-based 3D pose estimation on Basler + Jetson AGX
  • document-parser: Document ingestion, parsing & NER with LangChain + OpenAI tools
  • real-estate-chatbot: Django + LLM backend for intelligent property reports
  • server-cable-inference: YOLOv8 + keypoint regression for direction/sag detection
  • cloud-optimizer-ui: Streamlit UI for AWS cost forecasting using kernel regression
  • vegetation-mapper: Drone imagery β†’ GeoJSON vegetation mapping via ONNX inference

🧰 Tech Stack

Category Tools & Frameworks
ML / DL PyTorch, TensorFlow, Scikit-learn, Hugging Face
Computer Vision YOLOv8, OpenCV, DeepSORT, DETR, stereo vision
NLP / LLM LangChain, Flan-T5, LLaMA, GPT, Transformers
Backend APIs FastAPI, Django, Flask, Streamlit
Deployment Docker, Kubernetes, BentoML, ECS, CodeBuild, Terraform, Vertex AI, Cloud Build, GitHub Actions
Databases Postgres, pgvector, MongoDB, Elasticsearch
Cloud AWS (SageMaker, ECS, CodeBuild), GCP (Vertex AI, BigQuery, Cloud Storage, Dataflow, IAM, Dataplex), Azure (Virtual Machines, Blob Storage, AzureML)
Tools & Infra Git, NGINX, Bash, Shell, CI/CD pipelines
Dev Math Calculus, Linear Algebra, Probability, Stats

πŸ“ˆ GitHub Stats

Hassaan's GitHub Stats Top Langs


πŸŽ“ Education & Certifications

  • MS Data Science – FAST Islamabad (2025)
  • BS Computer Science – COMSATS Islamabad (2022)
  • TensorFlow Developer Certificate
  • AWS Cloud Technical Essentials
  • Data Visualization with Python

Popular repositories Loading

  1. py py Public

    Forked from codebasics/py

    Repository to store sample python programs for python learning

    Jupyter Notebook

  2. Hassaan149 Hassaan149 Public

    Config files for my GitHub profile.

  3. flask_application flask_application Public

    ML app

    HTML

  4. docker-yolo-deepstream docker-yolo-deepstream Public

  5. portfolio portfolio Public

    Portfolio website

    CSS