Experience

Here is a list of my relevant work experience:

AI Engineer

Rabobank
Utrecht, Netherlands
Oct. 2024 – Present

  • Leading the transition of Rabobank’s customer support chatbot from a rule‑based system to a Generative AI architecture using LLMs.
  • Integrating fallback mechanisms and Retrieval‑Augmented Generation (RAG) pipelines to ensure factual accuracy and mitigate hallucinations.
  • Performing evaluations for accuracy, safety, and compliance in the banking context using internal datasets.
  • Developing prompt engineering strategies for domain‑specific tasks like financial advice and user intent classification.
  • Achieved: Optimised the GenAI aspect of the chatbot to deploy it in production. 80% of GenAI answers achieved a perfect score according to human evaluators, and 0% harmful answers were generated.

AI & Data Science Intern

TNO
Randstad, 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: Implemented a part of the Docker container (response generator) in the CHIP project (diabetes management chatbot), as part of TNO’s Hybrid AI team.

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).