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yxuan1996/README.md

Hi there 👋, I'm Sim

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I’m a Data Engineer with 5+ years of experience delivering data platforms and analytics systems across multiple business domains.

My work spans cloud architecture on Azure, end-to-end data engineering pipelines, and LLM-integrated AI applications. I am interested in system design, data quality, and building things that scale.

My work sits at the intersection of data engineering, AI, and product thinking:

  • Building scalable pipelines and analytics systems
  • Designing data models that support real-world decision making
  • Applying AI (RAG, LLMs, knowledge graphs) to solve practical business problems

⚡ Core Skills

Programming

  • Python
  • SQL
  • JavaScript (Frontend + Backend)
  • HTML / CSS

Data & AI

  • ETL / ELT Pipeline Design
  • Data Modeling (Analytics / Warehouse)
  • Data Quality & Validation
  • Retrieval-Augmented Generation (RAG)
  • LLM Application Development

☁️ Technologies

Data Engineering (Azure)

  • Azure Data Factory
  • Azure Databricks
  • Azure Synapse Analytics
  • Azure Data Lake

Analytics & BI

  • Microsoft Fabric

Backend & Apps

  • Node.js
  • Firebase
  • Next.js
  • React

🏅 Certifications

  • Azure Solutions Architect Expert
  • Fabric Analytics Engineer Associate
  • Azure Administrator Associate
  • Azure Developer Associate
  • Azure Security Engineer Associate
  • Azure Data Engineer Associate
  • Azure Fundamentals

💼 Featured Projects

🔹 AI & Data Systems

🔹 Web Applications


✍️ Writing & Insights

I share my thoughts on:

  • Building real-world AI systems

  • Data engineering best practices

  • Azure Cost Governance Playbook A lightweight framework / playbook for managing costs on Azure cloud.


🎯 What I’m Focused On

  • Applying AI to real-world data problems (not just prototypes)
  • Building systems that bridge data → insight → decision
  • Moving toward more product-facing and client-impact roles

📫 Let’s Connect

If you're working on data platforms, AI applications, or analytics systems—I'd love to connect.

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  1. Yolov5_Palm_Crown_Detection Yolov5_Palm_Crown_Detection Public

    Contains project files for the YoloV5 image detection model to detect the top or 'crown' of oil palm trees.

    Jupyter Notebook 5

  2. Discovering_F1_GraphRAG Discovering_F1_GraphRAG Public

    AI-powered app designed to showcase GraphRAG (Graph Retrieval-Augmented Generation) and Hybrid Search capabilities.

    Jupyter Notebook

  3. Inventory-Management-App Inventory-Management-App Public

    Simple Inventory Management App for an Imaginary Store.

    CSS

  4. Magnificent-7-Financial-Analyst Magnificent-7-Financial-Analyst Public

    An AI-powered financial analysis chatbot for the Magnificent 7 tech companies, demonstrating RAG with Hybrid Search

    Jupyter Notebook

  5. React-Collaborative-Whiteboard-Sockets React-Collaborative-Whiteboard-Sockets Public

    Collaborative Whiteboard App using React, Socket IO and Node JS

    JavaScript

  6. RLS_AI_Chat RLS_AI_Chat Public

    Implementing Row Level Security on an AI Agent with SQL RAG.

    TypeScript