Jim Ryan
Software Engineer II at Microsoft
Munster, Ireland
Summary
🤩
Rockstar🎓
Top SchoolJim Ryan is a Software Engineer II based in Munster, Ireland with six years of hands-on experience building and refining cloud-native infrastructure and backend systems. He has shipped production-grade work at NGINX (now part of F5) and is now at Microsoft, bringing deep familiarity with ingress controllers, Kubernetes, and dynamic reload/annotation semantics from notable open-source contributions to the nginx/kubernetes-ingress project. Jim combines backend engineering with DevOps sensibilities—refactoring complex listener logic, improving test coverage, and reducing cyclomatic complexity to make systems more maintainable. A first-class Computer Systems graduate from the University of Limerick, he also has practical payments experience from a Stripe internship and a background mentoring peers, which informs his collaborative, pragmatic approach to engineering.
6 years of coding experience
2 years of employment as a software developer
Bachelor of Science - BSc, Computer Systems, 1st Class Honours, Bachelor of Science - BSc, Computer Systems, 1st Class Honours at University of Limerick
Github Skills (11)
ingress10
golang10
ingress-controller10
kubernetes10
go10
nginx10
kubernetes-pods10
testing9
docker8
cicd8
dockers8
Programming languages (15)
Github contributions (5)
nginx/kubernetes-ingress
Nov 2023 - Dec 2024
NGINX and NGINX Plus Ingress Controllers for Kubernetes
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:513 reviews, 166 PRs, 419 pushes in 1 year 1 month
Contributions summary:Jim primarily focused on refactoring and improving the NGINX Ingress Controller's functionality. Their contributions involved rewriting virtual server listener functions, improving existing tests, reducing cyclomatic complexity, and fixing code formatting and linting issues. They also worked on adding and validating annotations for ingress resources. Furthermore, the user addressed weight changes related to dynamic reloads and incorporated changes related to the use of cluster IPs.
golangnginxcontrollersingress-controllerdocker
j1m-ryan/qca-calculator
Jul 2020 - Mar 2021
React.js grade calculator for the University of Limerick's QCA system
Contributions:24 commits, 1 PR, 13 pushes in 8 months
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