Joe Castle
Technical Lead at HM Revenue & Customs
Portsmouth, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJoe Castle is a Technical Lead with 11 years of experience building and operating scalable Java/Spring Boot systems for HM Revenue & Customs, now focusing on containerised microservices on AWS EKS. He leads cross-functional teams to deliver resilient distributed systems, having introduced organisation-first practices like Cypress testing, contract testing, and Azure SSO integration. Comfortable across the full stack from React UIs to relational databases and RabbitMQ, he also brings a pragmatic background in customer support and telecoms from Vodafone that informs his approach to reliability and stakeholder collaboration. He taught himself full‑stack JavaScript early in his career, which accelerated his transition into enterprise Java development and shapes his practical problem-solving style. Joe is motivated by building critical public-facing systems and by mentoring others to raise code and delivery standards.
11 years of coding experience
6 years of employment as a software developer
Certificate of Higher Education Open Computer Science, Certificate of Higher Education Open Computer Science at The Open UniversityKing Edmund School
English
Github Skills (19)
git10
javascript10
github10
css10
codebase10
math10
jsdelivr10
nodejs10
traffic10
react10
npm9
cdn9
certification9
http9
esmodules9
Programming languages (6)
Github contributions (5)
joe-castle/timrjs
Jan 2016 - Apr 2021
Timr is a simple, event driven, utility for creating timers in JavaScript.
Contributions:34 releases, 269 commits, 40 PRs in 5 years 4 months
event-drivenjavascript
joe-castle/cinema-viewer
Jan 2019 - Jun 2021
Little web app to provide more functionality to Cinema apps, including, filtering, ignoring, rating etc.
Contributions:8 releases, 55 pushes, 17 branches in 2 years 5 months
ratingfilteringcinema
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