Joe Halliwell
Executive Director at JPMorgan Chase & Co.
Glasgow, Scotland, United Kingdom
Summary
👤
Senior🎓
Top SchoolJoe Halliwell is a seasoned technology leader and systems architect with 17 years of experience delivering data-driven software solutions. As Executive Director at JPMorgan Chase & Co since 2019, he combines strategic leadership with hands-on software architecture and AI-enabled decision-support systems. His work spans statistical analysis, machine learning, NLP, and reliable distributed systems, underpinned by a strong foundation in mathematics and philosophy from Oxford and Edinburgh. An active open-source contributor, he helped harden the Rich library's logging and formatting capabilities through robust test automation, improving reliability for a widely-used Python tool. He also brings entrepreneurship and product-building experience from co-founding Winterwell Associates and Sodash, blending research excellence with real-world delivery. Based in Glasgow, he leads complex data-intensive programs across finance and technology domains.
17 years of coding experience
13 years of employment as a software developer
PhD, Artificial Intelligence, PhD, Artificial Intelligence at The University of EdinburghMA (Oxon), Mathematics and Philosophy, MA (Oxon), Mathematics and Philosophy at University of Oxford
French
Stackoverflow
1,177reputation
107kreached
43answers
5questions
Github Skills (24)
pytest10
python10
testing10
logging10
rich-text9
richeditor9
richtext9
rich-editor9
richedit9
rich-text-editor9
apply6
scikit-learn6
encoding6
python-requests6
perl6
Programming languages (8)
Github contributions (5)
Textualize/rich
Dec 2021 - Dec 2021
Rich is a Python library for rich text and beautiful formatting in the terminal.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:1 review, 5 commits, 1 PR in 1 day
Contributions summary:Joe contributed significantly to the testing infrastructure of the `rich` library. Their commits involved adding tests for logging features, including markup and highlighting functionalities. They implemented test cases to verify the correct behavior of log messages with and without markup and highlighting, along with per-message overrides. The changes demonstrate a focus on ensuring the quality and reliability of the logging module within the library.
pythonprogress-bar-pythonprogress-barrich-textpretty-print
joehalliwell/chronochrome
Jul 2008 - Dec 2013
Contributions:22 commits in 5 years 6 months
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