Colm O'shea
Head Of Development at Siren
Galway, Ireland
Summary
🤩
Rockstar🎓
Top SchoolColm O'shea is a senior engineering leader with 11 years of hands-on and management experience, currently Head of Development at Siren in Galway, Ireland. He builds high-performing teams and drives development process transformations, notable for creating a self-guided learning program that tailors individual training plans to boost curiosity and continuous improvement. His background spans full-stack delivery and DevOps—leading Node.js API design, CI/CD pipelines, and cloud infrastructure across AWS and DigitalOcean—bringing practical operational expertise to architectural decision-making. A former biology teacher turned developer, he combines pedagogical skills with technical mentorship to raise team capability and alignment. Colm excels at translating complex technical tradeoffs into shared decisions and repeatable delivery practices that scale.
11 years of coding experience
6 years of employment as a software developer
Higher Diploma Education, Higher Diploma Education at University of Galway
Irish
Stackoverflow
58reputation
6kreached
3answers
1question
Github Skills (120)
opensearch10
anomaly-detection10
testing10
windows10
elasticsearch10
visualizations10
javascript10
pino10
alarm10
linux10
scheduler10
elk10
js10
winston10
search-engine10
Programming languages (6)
Github contributions (5)
sirensolutions/sirensolutions.github.io
Mar 2022 - Feb 2025
Additional articles for the siren.io website
Contributions:7 reviews, 7 PRs, 11 pushes in 3 years
sirenadditional
sirensolutions/gridster.js
May 2018 - Mar 2020
gridster.js is a jQuery plugin that makes building intuitive draggable layouts from elements spanning multiple columns
Contributions:2 releases, 1 push, 3 tags in 1 year 10 months
jquerylayoutselementsjavascriptintuitive
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