Chin Shan Hong

eWallet Tech Java Software Development 1) Engineered backend solutions for VodaPay (South Africa) and global product baselines using SOFABoot and SQL. 2) Delivered key financial modules, including an auto-debit management console and an internal approval system. 3) Ensured system reliability and code stability through extensive JUnit testing. Alipay+ GenAI Cockpit 1) Core developer for the easypaisa customer service chatbot, focusing on LLM workflow orchestration and prompt engineering. 2) Implemented and optimized RAG, intent recognition, query rewriting, and safety guardrails. 3) Key Achievement: Optimized the language recognition module to attain 98-99% production accuracy. 4) Partnered with regional stakeholders to perform error analysis and strategize future product optimizations.

1) Trained NLP models for Named Entity Recognition and Document Classification tasks, using spaCy and Hugging Face 2) Built APIs with FastAPI to serve machine learning models 3) Conducted experiments with OCR models (Tesseract and Amazon Textract)

1) Experimented Glycerol-MCT monthly sales quantity forecasting using XGBoost, LSTM, N-BEATS, CatBoost, and VARIMA 2) Developed Daily Chemical Production Quantity Dashboard with SQL Server Integration Services and Microsoft Power BI 3) Involved in the development of Employee Onboarding System with Power Apps and Power Automate