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lequangsang01/ReadMe.md

Hi there, I'm Sang! 👋

🚀 Senior Full-Stack & AI Systems Architect

Website Email Facebook Discord


I am a Senior Software Engineer and AI Systems Architect. Graduated with Highest Honors (GPA 3.61) in Artificial Intelligence & Computer Vision from Electric Power University, I specialize in auditing complex codebases, designing highly optimized architectures, and deploying production-ready AI models.


⚡ Technical Skills & Tech Stack

  • Frontend: JavaScript (ES6+), Vue.js (Vue 3, Vite), ReactJS, NextJS, Angular, Bootstrap, Tailwind CSS, HTML5, CSS3.
  • Backend: PHP (Laravel), Python (Django DRF, Flask, FastAPI), C# (.NET Core, .NET), Node.js.
  • Mobile Development: Flutter (Dart), React Native, Expo.
  • Databases: PostgreSQL, MySQL, SQLite, Microsoft SQL Server, MongoDB, Firebase (Firestore, RTDB).
  • Artificial Intelligence & Data Science: PyTorch, TensorFlow, YOLOv11 (Ultralytics), OpenCV, Open3D, Tesseract OCR 5, Keras, Scikit-Learn, Streamlit, Plotly.
  • AI Orchestration & Agents: Llama, DeepSeek (API & Local deployments), n8n, Hermes-agent.
  • DevOps & Cloud: Docker, AWS (EC2, S3, Amplify, Cognito, FCM), Google Cloud Console, Cloudflare, Redis, Celery, GitHub Actions, CI/CD.
  • Integrations: Facebook Marketing/Ads API, Google Ads API, Salesforce CRM API, X API, Instagram API, TikTok Shop API.

📈 Professional Experience

🏢 Zotek8 | Full-Stack Developer (08/2023 - Present)

  • Camera-Count (AI Warehouse Intelligence):
    • Developed a 3-camera pallet counting AI using 3D geometry algorithms to predict package volume and detect heavily occluded warehouse boxes.
    • Tech stack: Streamlit, YOLOv11, OpenCV, Open3D, Plotly, PyTorch, Python.
  • Meeting Transcription Nagase (Speech-to-Text & CRM Sync):
    • Built an automated audio recording and AI transcription app for meeting minutes with real-time Salesforce CRM synchronization.
    • Tech stack: Flutter (Dart), AWS Amplify (Cognito), Firebase (FCM), SQLite, Salesforce API.
  • Enterprise Procurement ERP (Supply Chain):
    • Architected a procurement workflow from purchase requests, RFQs, to warehouse ingestion and invoicing.
    • Tech stack: Vue 3, Django DRF, MSSQL, Redis, Celery, Docker.
  • InvoiceShelf (Open-source Accounting):
    • Created an open-source invoice manager supporting PDF generation, automated backups, and payment QR codes.
    • Tech stack: Laravel, Vite, Tailwind CSS, MySQL, RESTful API, DomPDF, Laravel Queue/Scheduler, Docker.
  • Adstart (Ad Operations Management):
    • Developed a centralized multi-platform ad campaign tool with Google Ads recommendations and forbidden keyword filters.
    • Tech stack: Laravel, MySQL, Redis, Bootstrap/Tailwind, Facebook Marketing API, Google Ads API, Docker.
  • Kurua & Will Watch:
    • Built healthcare clinic web/mobile tracking apps and community-sourced AI-driven animal mapping apps.
    • Tech stack: PHP Laravel, VueJS, React Native, NextJS, Firebase, Docker.

🏢 Torus Engineering | Front-End Developer (05/2022 - 05/2022)

  • Annotation Tool: Developed a specialized labeling tool for skin screening image analysis to output training datasets for AI models. (Python Flask, JS, Bootstrap)
  • Belle Widget: Packaged custom AI demo components into cross-platform widgets for B2B API integrations. (Python, .NET, React, React Native)

🏫 IT Department Lab - EPU | AI Research Assistant (2020 - 2024)

  • AI Face-Matching Attendance System: Built an HR management system utilizing AI Face Matching to verify attendance in real-time. (Angular, .Net Core, Python, C++, SQL Server)
  • Document OCR Engine: Developed a web-mobile converter utility translating images and PDFs to text. (Python Flask, Tesseract OCR 5)

🎓 Education & Awards

  • B.S. in Information Technology (AI & Computer Vision) - Electric Power University (2019 - 2024)
    • Honors: Graduated with Highest Honors (Xuất Sắc) | GPA: 3.61 / 4.0
  • 🏆 Third Prize - EPU Innovation Challenge (June 2022) for the AI Face-Matching Attendance System.

🌐 Click here for Vietnamese Version / Bản tiếng Việt

🚀 Kỹ sư Hệ thống & AI Senior | Senior Full-Stack & AI Systems Architect

Tôi tốt nghiệp thủ khoa ngành Trí tuệ nhân tạo & Thị giác máy tính (GPA 3.61) tại Đại học Điện Lực. Là một Kỹ sư Hệ thống có tư duy giải quyết vấn đề sắc bén, tôi tập trung vào việc tối ưu hiệu năng hệ thống, kiểm thử mã nguồn tìm lỗi bảo mật, tích hợp AI tối tân và xây dựng hạ tầng phân tán chất lượng cao cho doanh nghiệp.

⚡ Tóm tắt năng lực chính:

  • Trí tuệ nhân tạo: Chuyên sâu về Thị giác máy tính (YOLOv11, OpenCV, PyTorch), Xử lý âm thanh (Audio-to-Text), Tích hợp LLM Open-source (Llama, DeepSeek) và điều phối AI Agent (n8n, Hermes-agent).
  • Phát triển Full Stack: Thiết kế, xây dựng hệ thống toàn diện từ Frontend (React, Vue 3, NextJS) đến Backend (Laravel, Django, .NET Core) và Mobile (Flutter, React Native).
  • DevOps & Hạ tầng: Triển khai hệ thống phân tán sử dụng Docker, Redis, Celery, kiến trúc hàng đợi (Queue/Scheduler), và hạ tầng Cloud (AWS, GCP, Cloudflare).

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