Jon Haynes
Senior Principal Engineer at Baxter International Inc.
Gloucester, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolJon Haynes is a Senior Principal Engineer based in Gloucester with 11 years of professional software engineering experience and a background that bridges public-sector data systems and commercial web applications. At Baxter he has progressed from Senior Developer to Senior Principal Engineer, bringing deep expertise in PHP/JavaScript stacks, data modelling and scalable web architectures honed earlier building NHS reporting systems and bespoke web platforms. He pairs technical leadership with practical delivery—designing auditable, high-impact reporting tools for healthcare and driving maintainable, performance-conscious code in smaller, innovative teams. Unusually for a senior engineer, his academic foundation is in English and linguistics, which informs clear technical communication and stakeholder-facing reporting work.
11 years of coding experience
11 years of employment as a software developer
BA (Hons) English, MA English Language, BA (Hons) English, MA English Language at University of Leeds
Github Skills (140)
saml10
identity10
authentication10
security10
snap10
laravel10
openid-connect10
authorization10
microk8s10
access-management10
keycloak10
identity-management10
php10
csv9
k8s9
Programming languages (9)
Github contributions (5)
senyahnoj/uptime
May 2016 - Jun 2016
Contributions:4 pushes in 1 month
pythonphpmissingpython-moduleuptime
senyahnoj/keycloak
Oct 2024 - Oct 2024
Contributions:1 push, 6 branches in 2 days
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