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Working from home
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Working from home
  • University of Leeds
  • Leeds, UK

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zwelshman/README.md

Hi, I'm Zach πŸ‘‹

Data Scientist at the BHF Data Science Centre (HDR UK) and Visiting Data Scientist at the University of Leeds.

I build tools and pipelines for cardiovascular and cancer research using large-scale NHS datasets β€” typically working with 50M+ patient records in trusted research environments.

What I work on

  • Healthcare data pipelines β€” PySpark, Databricks, R/dbplyr, SQL
  • National Secure Data Environemnts - NHS England Secure Data Environment, SAIL in Wales.
  • LLM applications β€” RAG systems for clinical documentation and codebase intelligence
  • Data curation tools β€” phenotype search, metadata management, validation frameworks
  • Research software engineering β€” making analytical code reproducible and shareable

Tech stack

Python R PySpark Databricks Streamlit

Currently building

  • πŸ“Š Cardiovascular and Oncology datasets for world leading reseach.
  • πŸ€– Question-answering systems for healthcare documentation.

Find me elsewhere

ORCID LinkedIn


🏠 Working from home in Leeds, UK

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  1. research-software-engineering-resources research-software-engineering-resources Public

    1

  2. code_toolkit code_toolkit Public

    Python

  3. OReillyHealthcareData OReillyHealthcareData Public

    Forked from AileenNielsen/OReillyHealthcareData

    Jupyter Notebook

  4. spark-test spark-test Public

    testing spark actions

    Jupyter Notebook