Lorcan O'neill
Staff Software Engineer at HubSpot
Dublin, Dublin 1, Ireland
Summary
👤
Senior🎓
Top SchoolLorcan O'neill is a Staff Software Engineer based in Dublin with over a decade building large-scale Java-based systems and driving reliability at product scale. He currently leads work on HubSpot’s global search and has a track record across HubSpot of shipping ingestion, reporting, and service reliability platforms that help the company respond faster to outages. Prior roles include Principal Engineer at Thrive Global and deep full‑stack experience early in his career, from backend APIs in Java and Dropwizard to responsive UIs in React and ES6. He pairs hands-on engineering with technical leadership—mentoring teams, owning complex releases, and enabling others to prioritize reliability. Unusually for someone focused on production systems, he recently completed an MS in Advanced Software Engineering, reflecting a commitment to both practical impact and continued learning.
11 years of coding experience
12 years of employment as a software developer
Master of Science - MS Advanced Software Engineering, Master of Science - MS Advanced Software Engineering at University College DublinBachelor of Engineering in Computer Engineering, Bachelor of Engineering in Computer Engineering at University of Limerick
Stackoverflow
3,373reputation
3.1mreached
45answers
3questions
mysql
top-5%
json
top-1%
Github Skills (38)
json10
http-api10
spring10
authentication10
java10
security10
spring-boot10
oauth10
mysql9
spring-security9
api9
webapp9
hubspot9
e-mail9
sentry8
Programming languages (3)
Github contributions (5)
lorcanthrope/BaseWebApp
Nov 2017 - Nov 2017
Contributions:1 push in 1 day
lorcanthrope/Singularity
Apr 2017 - Apr 2017
Contributions:1 push in 1 day
apischedulerscheduled-jobslongmesos
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.