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Mafnan12/README.md

Muhammad Afnan

AI Engineer | Building reliable LLM, computer-vision, and data products

LinkedIn · Email · Projects

I build AI systems beyond the model: the data pipelines, APIs, evaluation workflows, validation rules, and interfaces that make an AI feature dependable in real use. My focus is applied machine learning, LLM applications, retrieval systems, and computer vision.

Currently: AI Engineer at MAAKWEB (part-time, remote) and a BS Artificial Intelligence student at FAST-NUCES (2022-2026).

Featured work

A portfolio-grade enterprise knowledge assistant in active development. CiteGuard combines citation-first answers, hybrid retrieval, role-based access control, provider fallback, grounding checks, and reproducible evaluation.

Engineering focus: permissions are enforced inside the vector database query, unsupported answers are refused, and performance claims will be based on measured evaluation results rather than assumptions.

Python FastAPI Streamlit LangGraph Qdrant Docker GitHub Actions

An invoice and receipt-processing system designed for automated bookkeeping, with reliability as the primary goal. DocFlow combines OCR and vision-language extraction with deterministic Decimal arithmetic checks, self-correction, confidence scoring, and human-review routing.

What makes it different: auto-approval is earned through validation rather than assumed from a model response. The project is being built with a strict dev/test split so results remain reproducible and honest.

Python FastAPI Streamlit Pydantic LangGraph PostgreSQL OpenCV Docker

Final-year project that analyzes football kicking technique from video and produces personalized coaching feedback. It uses computer vision for movement extraction, Dynamic Time Warping for motion comparison, and an agent workflow to explain the result.

Python YOLOv8 MediaPipe LangGraph FastAPI PostgreSQL Docker

Forecasting system for Pakistani commodity prices, from data collection and cleaning through model comparison with XGBoost and Random Forest.

Python Pandas XGBoost scikit-learn

What I work with

Area Tools and methods
LLM systems LangGraph, LangChain, structured outputs, prompt design, tool use, evaluation
Retrieval RAG, embeddings, hybrid search, reranking, Qdrant, FAISS
ML and vision PyTorch, Hugging Face, YOLO, OpenCV, MediaPipe, scikit-learn
Backend and data Python, FastAPI, PostgreSQL, REST APIs, data pipelines
Delivery Docker, GitHub Actions, testing, reproducible workflows

Engineering principles

  • Security is structural: permissions should be enforced by the system, not requested from a model.
  • Evaluation before claims: results belong in reports only after the scripts have produced them.
  • Visible uncertainty: when evidence is insufficient, the product should say so clearly and guide the user to the next step.
  • Explainable systems: every important architecture choice should be easy to defend in an interview or a design review.

Current focus

I am building CiteGuard and DocFlow into complete portfolio-grade systems that show reliable AI engineering from data preparation through deployment, monitoring, and evaluation.

I am open to remote AI Engineer, ML Engineer, and LLM Engineer roles. Reach out through LinkedIn or email.

Pinned Loading

  1. PricePulsePK PricePulsePK Public

    AI-powered commodity price forecasting system for Pakistan

    Python

  2. -Academic-Management-System -Academic-Management-System Public

    PHP

  3. DocFlow_Project DocFlow_Project Public

    Multimodal document AI for reliable invoice and receipt processing.

    Python

  4. synxex-app synxex-app Public

    HTML