Sahachai Siribanjerdsak

Application Specialist · Oracle · Python · AI/ML

Translating business complexity into elegant technical solutions

---

👨‍💻 About Me

profile = {
    "role" :     "Application Specialist (Oracle) Supervisor",
    "company" :  "Nan Yang Textile Group",
    "location":  "Bangkok, Thailand 🇹🇭",
    "focus" :    ["Oracle ERP", "Python Automation", "AI/ML", "Full-Stack Web"],
    "domain" :   ["Garment Manufacturing Process", "Supply Chain Operations", "Bill of Materials (BOM) Comparison", "Excel Template Automation (openpyxl)"],
    "currently_building" : "ArtPortal v2 — AI-powered Artwork Mapping System",
}

---

🚀 Featured Projects

🎨 ArtPortal v2 — Artwork Strike-Off Mapping System

AI-powered web application for Garment Licensing teams to extract, crop, and map artwork graphics from Adobe Illustrator files into Excel templates — automatically.

Component	Technology
Backend API	FastAPI · Python 3.11 · SQLAlchemy ORM
AI / Detection	PyTorch ResNet18 · FAISS Vector Search · OpenCV GrabCut
OCR Pipeline	PDFMiner → Tesseract → EasyOCR (3-stage fallback)
Frontend	Vanilla JS · Cropper.js · Tailwind CSS · SSE Real-time
Infrastructure	Docker · docker-compose · SQLite / PostgreSQL

Key Highlights

• 🤖 AI Column Classifier — ResNet18 feature extraction + FAISS similarity search to predict target Excel column from cropped logo
• 🔍 GrabCut Object Detection — OpenCV-based foreground segmentation + Connected Components + NMS to auto-detect logo regions
• 📊 Excel Export Engine — Full-resolution image embedding via openpyxl EMU-based anchoring, preserving artwork quality for production
• ⚡ 90% reduction in server startup time via Lazy Loading AI model initialization
• 🔄 Real-time AI Monitor via Server-Sent Events (SSE) — live status for all AI/ML modules

---

📋 BOM Comparison — Tech Pack Automation

Automated Bill of Materials comparison system for global apparel brands, transforming a 4-hour manual process into a 5-minute automated workflow.

Key Highlights

• ⏱️ 95% reduction in processing time (4 hrs → 5 min)
• 🌐 Standardized unstructured PDF data across 15+ global brands (VVIC, VIC tiers)
• 📈 Interactive dashboard with real-time diff-analysis and automated Excel reporting
• 🔗 Fuzzy Matching (thefuzz) for intelligent field mapping across inconsistent formats

---

🛠️ Tech Stack

Languages & Frameworks

AI / Machine Learning

Database & Storage

Infrastructure & Tools

---

💼 Experience Timeline

2026 – Present  │  SPV. Application Specialist (Oracle)
                │  Nan Yang Textile Group
                │  Oracle ERP · Python Tools · AI/ML · Team Leadership
                │
2020 – 2026     │  Sr. Oracle Developer
                │  Castle Peak Holdings / C.P.G. Garment Co., Ltd.
                │  Oracle Forms & Reports · PL/SQL · Node.js · Modernization
                │
2016 – 2020     │  Merchandiser
                │  Castle Peak Holdings / C.P.G. Garment Co., Ltd.
                │  BOM · Supply Chain · Global Client Operations

---

📊 Domain Expertise

Garment Manufacturing    ████████████████████  Expert
Oracle ERP (Forms/SQL)   ████████████████████  Expert
Python Automation        ████████████████░░░░  Advanced
AI / ML Integration      ████████████░░░░░░░░  Intermediate
Full-Stack Web Dev       ████████████░░░░░░░░  Intermediate
DevOps / Docker          ████████░░░░░░░░░░░░  Working Knowledge

---

🎓 Education

Bachelor of Science in Computer Science · GPA 3.30 Bansomdejchaopraya Rajabhat University · Class of 2016

---

"The best automation is the one nobody notices is running."

---

🤖 Talk to My Automation Bot

Want to schedule an interview or ping me instantly? Scan the QR code or click the badge. This triggers my custom-built API with an asynchronous background task to notify me in real-time.

Self-hosted FastAPI Service with Discord Webhook Integration