Ting-Kai Chang Email & Phone Number

Transform data into predictive insights and marketing recommendationsBuild beautifully simple and engaging reports and visualizationsSupport customer requests via ad hoc reports and SQL queriesCreate, maintain, and monitor internal business metrics and dashboardsWrite production-ready code with clear documentation, participate in code reviews

Taipei, Taipei City, Taiwan

Implemented Retrieval-Augmented Generation (RAG) technology to optimize outputs of large language models (LLMs), delivering more accurate and relevant responses to users by extracting information from external knowledge bases.Engaged in model fine-tuning and Reinforcement Learning for Human Feedback (RLHF) to enhance the Collaborated with Data Engineers to.

Taipei City, Taiwan

Assisted in the development of a personalized recommendation system for the platform, leveraging machine learning models to deliver tailored product recommendations. Utilized OpenAI's open-source Whisper technology for speech recognition transcription and integrated AI capabilities like ChatGPT to translate texts into multiple languages. Employed tools.

New York, New York, United States

Dearborn, Michigan, United States

• Explored vehicle trace and road network data using various data mining techniques with Scikit-learn/Pandas to reduce confounding noise and identify avenues of data collection improvement
• Developed a semi-interacting multiple model (sIMM) machine learning algorithm using an off-road Kalman Filter ran in parallel with a Hidden Markov Model (HMM) to detect map errors via supervised classification
• Demonstrated a 55% accuracy improvement of road network information when utilizing vehicle… Show more
• Demonstrated a 55% accuracy improvement of road network information when utilizing vehicle GPS traces over open-source map data, and reported results with Tableau dashboards Show less

East Lansing, Michigan, United States

• Built forecasting tools for product sales as a result of promotions using an Elastic-Net Regression model
• Contributed insights for profit optimization and promotion decisions by building a price-influencing model using R, and machine learning techniques such as PCA and Ridge regression

Taipei City, Taiwan

• Business Analyst Consultant
• Implemented Excel and Power BI workflows to build and visualize an efficiency model to support engineers and the successful pricing of services through cost calculations
• Supported companies in planning and developing Database Management Systems with Entity Relationship Diagrams and RESTful API
• Analyzed company operation process using business modeling tools like A/B testing and consumer data to increase customer satisfaction and improve survey… Show more -Business Analyst Consultant
• Analyzed company operation process using business modeling tools like A/B testing and consumer data to increase customer satisfaction and improve survey responsiveness-Paper Author
• Employed Nash solutions with Matlab, Python, and Winedt to explore supply chain and pricing between Manufacturers and retailers to obtain optimal wholesale price and ensure profitability

Taipei City, Taiwan

• CSR department
• Aided in the reduction of carbon emissions in support of corporate sustainability commitments
• Improved Tableau dashboards to generate data-driven, statistics focused insights for decision makersTaishin Fundation
• Reviewed data from funding applications and angel investors to match applicants with financial organizations

Master Of Science - Ms, Business Data Science And Analytics, 3.9

Bachelor Of Science - Bs, Atmospheric Sciences And Meteorology