Gary Casey is a seasoned software engineer and technology leader with a track record of building and rescuing large-scale systems across finance, telco, and cloud platforms. He has held hands-on and executive roles—from founding CTO of FatFractal to SRE Director for Google Cloud Databases—specializing in architecture, DevOps-driven organisational transformation, and crisis resolution. Gary combines deep systems integration experience (including open-sourcing an enterprise toolkit and an early Sybase replication server) with startup product delivery and ongoing investor/advisor work at Cambridge Digital Health. Currently at Atsign, he contributes to backend SDKs and test automation, bringing practical telemetry and heartbeat diagnostics to production-quality Dart libraries. Based in Nairn, Scotland, he runs a consultancy (WEBELWARE) that channels his knack for turning failing programmes into stable, scalable platforms. Colleagues value him for bridging strategic vision with relentless attention to engineering detail.
11 years of coding experience
29 years of employment as a software developer
Christian Brothers College Cork
BSc, Computer Science, BSc, Computer Science at University College Cork
The Dart implementation of atSDK used for implementing Atsign's technology into other software
Role in this project:
Back-end Developer & Test Automation Engineer
Contributions:2 releases, 503 reviews, 245 commits in 1 year 2 months
Contributions summary:Gary primarily focused on the development and maintenance of the atSDK Dart implementation, including the creation of end-to-end and functional tests. Their contributions included moving and refactoring test files and test directory structures, and adding new tests to improve the test coverage and prevent regressions. The user also worked on implementing and modifying the monitor heartbeat functionality and adding telemetry data to provide diagnostic information.
Contributions:1 review, 1 PR, 1 push in 2 years 4 months
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