Experience

Here is a list of my relevant work experience and projects. You can also see my GitHub profile.

Work Experience

AI Engineer

Rabobank
Utrecht, Netherlands
Oct. 2024 – Present

  • Transitioning Rabobank’s customer support chatbot from rule-based system to GenAI architecture using LLMs.
  • Integrating fallback mechanisms and Retrieval-Augmented Generation (RAG) to customer service LLM to ensure factual accuracy and mitigate hallucinations.
  • Performing evaluations for accuracy, safety, and compliance in the banking context using internal datasets.
  • Improving critical production models through CI/CD methodology to avoid downtime.
  • Achieved: Transitioned customer service chatbot to near 100% GenAI answers. 80% of GenAI answers achieved a perfect score according to human evaluators, and 0% harmful answers were generated.

AI & Data Science Intern

Netherlands Organisation for Applied Scientific Research (TNO)
The Hague, Netherlands
Jan. 2024 – Sept. 2024

  • Created a natural conversational agent for the healthcare domain by researching the effect of empathetic language usage in the agent.
  • Evaluated LLMs with a Chain-of-Thought prompting framework and medical datasets.
  • Built an LLM-powered chatbot and evaluated its usability with a user experiment.
  • Achieved: Project published in the ACL Anthology (https://aclanthology.org/2025.nodalida-1.55).

Data Engineering Research Assistant

Centre for Digital Humanities, Utrecht University
Utrecht, Netherlands
Sep. 2023 – Aug. 2024

  • Tested the software for the explorer and virtual research environment of the EDPOP project (European Dimensions of POPular print culture).
  • Implemented robust preprocessing pipelines to cleanse and integrate diverse datasets, ensuring data quality and consistency.
  • Developed and validated user cases to optimize functionality and usability of research tools.
  • Achieved: Integrated 3 new datasources to the project, increasing data completeness by 20%, and significantly improved data integrity.

Data Analysis Research Assistant

Common Lab Research Infrastructure for the Arts and Humanities (CLARIAH), Utrecht University
Utrecht, Netherlands
Oct. 2022 – Mar. 2024

  • Analyzed and annotated research articles, and created a database for the LIDIA project (Linguistic Diagnostics) with Zotero.
  • Achieved: Improved efficiency by contributing to a tool that allows linguists to quickly find relevant diagnostics, reducing the time spent on manual searches by 50%.

Data Analysis Research Assistant

Phonetics, Acquisition & Multilingualism Lab (PAMLab), Boston University
Boston, USA
May 2021 – May 2022

  • Analyzed phonetic features of the Asian American community in Boston with Praat.
  • Achieved: Identified significant phonetic patterns that contributed to two research papers: Chang & Fraser (2023), and Chang & Dione (2022).

Projects

SafePath

Community-driven urban pathfinding app
Python, SQL, Streamlit
Jun. 2024

  • Developed a full-stack web application designed to enhance personal safety for women in Amsterdam by providing safer, community-reviewed walking routes.
  • Used Streamlit to create the application and DuckDB for storing and querying safety data in SQL format.
  • App developed for The DuckDB Challenge at Hack4her 2024.

CHIP Modular System

Healthcare knowledge-graph LLM agent
Python, Docker
May 2024 – Jun. 2024

  • Implemented the Response Generator module in the CHIP system for lifestyle support in Type 2 Diabetes cases.
  • Used Docker Compose to ensure compatibility with CHIP’s dockerised microservice architecture and integration with upstream reasoning modules.
  • Collaborated with researchers from The Hybrid Intelligence Centre.