Jonathan Hedley
Data Governance Manager
Sunderland, England, United Kingdom
Summary
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Top SchoolJonathan Hedley is a Data Governance Manager with 16 years' experience applying data management, quality assurance and analytics across healthcare and financial services. He combines a strong clinical data background from an 18-year NHS career with hands-on BI and engineering skills—SQL, SSRS, SSIS, Power BI, ThoughtSpot, Python and Git—gained at Atos and Darlington Building Society. A professional member of BCS with multiple specialist group roles and security clearances, he focuses on audit-ready processes, root-cause analysis and data validation to make complex datasets trustworthy and actionable. He also contributes to open-source software, having improved the widely used jsoup Java HTML parser, reflecting a knack for backend API design and performance tuning. Accredited as a Mental Health First Aider and holder of applied biomedical science and healthcare practice qualifications, he brings uncommon domain empathy to technical governance. Based in Sunderland, he blends pragmatic engineering with healthcare-first insight to drive measurable improvements in data quality and governance.
16 years of coding experience
6 years of employment as a software developer
FdSc, Healthcare Practice, FdSc, Healthcare Practice at Teesside UniversityCertHE, Applied Biomedical Science, CertHE, Applied Biomedical Science at Northumbria UniversityNVQ Level 2, Clinical Laboratory Support, NVQ Level 2, Clinical Laboratory Support at Newcastle College
Stackoverflow
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html
top-1%
parsing
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java
top-1%
xml-parsing
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xml
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html-parsing
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Github Skills (21)
api-design10
webscraping10
java10
javas10
parsing10
html-parsing10
html10
debug9
debugging9
xml-parsing9
performance-optimization9
xml9
unit-testing8
screen-scraping6
android6
Programming languages (9)
Github contributions (5)
jhy/jsoup
Dec 2009 - Jan 2023
jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 releases, 65 reviews, 1846 commits in 13 years 3 months
Contributions summary:Jonathan's contributions primarily focused on improving the jsoup Java HTML parser's functionality and maintainability. Their work included adding features like `selectFirst()` to the API and fixing bugs such as handling invalid and malformed HTML code. They also made performance improvements to the code base, particularly related to attribute processing and tree traversal. This demonstrates a focus on backend code and API design within the project.
xpathjava-html-parserscrapingparsersafety
jhy/sync-test
Jul 2011 - Jul 2011
Contributions:41 commits in 1 day
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