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SiemonCha/README.md

ML Engineer | Production CV/NLP Systems

Final-year Computer Science @ University of Exeter | Available August 2026 Singapore Relocation | Employment Pass Eligible

Passionate about building data-driven systems for large-scale platforms. Experienced in designing data pipelines, applying machine learning models, and translating business problems into actionable data solutions. Interested in e-commerce intelligence, large-scale data mining, and applied ML systems.

Currently:

  • Researching LLM robustness in essay scoring (GPT-4o-mini, Phi-3-Mini)
  • Building production ML systems with quantified impact

Proven Results:

  • 90% latency reduction on LLM evaluation platform @ Fortune 500 (SCG Digital)
  • 99.5% mAP PCB defect detection (production-ready)
  • 1000+ production NLP requests (HuggingFace)

Tech Stack: PyTorch | YOLOv8 | Transformers | FastAPI | Docker | ONNX

📫 siemon.cha@gmail.com | LinkedIn

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  1. pcb-defect-detection pcb-defect-detection Public

    Production PCB defect detection: 99.5% mAP, 3x inference speedup (ONNX+INT8), FastAPI deployment. YOLOv8 + complete MLOps pipeline.

    Python

  2. thai-sentiment thai-sentiment Public

    Production Thai NLP: 82% accuracy, 1000+ requests served. BERT fine-tuning, REST API, HuggingFace hosting, ONNX optimization.

    Python