Sean Reilly
Principal Engineer at Amazon Web Services (AWS)
Stony Stratford, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSean Reilly is a Principal Engineer with over 25 years in technology and 15 years of focused experience delivering scalable Java-based systems and high-performance teams. He specializes in pragmatic, lightweight Java development and a philosophy of writing the least code necessary to ship robust products quickly. Sean has led engineering at consumer and infrastructure-focused organisations—driving Gousto’s international expansion platform and improving national-scale payment systems at Vocalink—while shaping hiring, delivery practices, and XP-driven engineering capability. He pairs hands-on build-and-release experience (including updates to widely used projects like legacy Homebrew formulas) with strategic leadership at consultancies and fast-growing firms, helping organisations scale from early-stage teams to global operations. Known for speeding delivery without sacrificing quality, he creates engaging, collaborative environments where simplicity and iteration trump process for its own sake. Based in the UK, he combines deep technical craft with bid-winning systems design and large-program delivery experience.
15 years of coding experience
25 years of employment as a software developer
B. Sc. hons, Computer Science, B. Sc. hons, Computer Science at University of Saskatchewan
Github Skills (12)
version-control10
homebrew10
gradlew10
package-management10
build-automation10
groovy10
gradle10
ruby8
scripting7
script7
sh7
shell7
Programming languages (5)
Github contributions (5)
Homebrew/legacy-homebrew
Apr 2012 - Mar 2016
💀 The former home of Homebrew/homebrew (deprecated)
Role in this project:
Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:37 commits, 9 PRs, 6 comments in 3 years 11 months
Contributions summary:Sean primarily contributed to updating and managing the build process for Homebrew formulas. Their work involved updating formula definitions for Groovy and Gradle, incorporating new versions and release candidates. The contributions included adjusting URLs, SHA hashes, and version numbers to keep the package definitions current. The user was responsible for maintaining the build infrastructure by integrating new versions of the build tools.
macoshomebrew
seanjreilly/httpServletExample
Jul 2011 - May 2012
Contributions:4 commits, 1 push in 10 months
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