Cathal O'connor
Software Engineering Manager at Red Hat
Ireland
Summary
🤩
Rockstar🎓
Top SchoolCathal O'connor is a software engineering manager at Red Hat with six years of focused engineering experience and a longer history in middleware and DevOps leadership. He progressed through individual contributor and management roles at Red Hat, bringing practical experience from previous senior DevOps and middleware positions in finance and distribution. Hands-on in backend systems, he has contributed to open-source tooling such as enhancing Keycloak’s Prometheus metrics export to capture request durations, status codes and URIs while hardening endpoint access. Based in Ireland, he blends operational rigor with developer empathy, mentoring teams to deliver observable, secure services. Notably, his background spans research, production middleware and large-scale distribution systems, giving him a rare perspective across research, ops and enterprise engineering.
6 years of coding experience
9 years of employment as a software developer
Waterford Institute of Technology
Github Skills (16)
keycloak10
collections10
javas10
api-rest10
rest-api10
prometheus10
data-collection10
api-design10
java10
metric10
restful-api10
environment-variables9
dockers5
docker5
kubernetes4
Programming languages (13)
Github contributions (5)
aerogear/keycloak-metrics-spi
Mar 2021 - Oct 2021
Adds a Metrics Endpoint to Keycloak
Role in this project:
Backend Developer
Backend DeveloperContributions:6 reviews, 8 commits, 8 PRs in 7 months
Contributions summary:Cathal primarily focused on enhancing the Keycloak metrics endpoint. They added functionality to record request durations, response totals, and errors, incorporating status codes and URIs into the metrics. The changes involved modifications to the `PrometheusExporter`, `ResourceExtractor`, and `MetricsFilter` classes to collect and expose the relevant data. Furthermore, the user modified the `MetricsEndpoint` to prevent external access, changing configurations and environment variables.
metricskeycloakendpoint
CathalOConnorRH/mobile_app_dev
Jan 2024 - May 2024
Contributions:4 releases, 57 PRs, 109 pushes in 3 months
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