Colm Cavanagh
Senior Big Data Developer
Dublin, Ireland
Summary
👤
Senior🎓
Top SchoolColm Cavanagh is a Senior Big Data Developer with 12 years’ experience building scalable, production-grade backend systems across government and commercial sectors from Dublin. He specialises in Scala, Akka and Spark, with strong DevOps and database skills, and a track record of optimising large-scale data pipelines and cloud architectures. Colm has led teams and delivered complex projects at Capgemini and HMRC, contributed templating improvements to widely used HMRC repos, and recently applied functional Scala and ZIO patterns at Disney Streaming. He combines hands-on coding with technical leadership—mentoring engineers, defining scope and driving CI/CD automation. His background in structural engineering and a postgraduate HDip in Software Design gives him a systems-minded approach to reliable, maintainable architecture. Colm is notable for moving comfortably between low-level performance tuning and high-level architectural decisions in regulated domains.
12 years of coding experience
7 years of employment as a software developer
HDip in Software Design And Development Software Design and Development, HDip in Software Design And Development Software Design and Development at University of GalwayBachelor's degree Structural Engineering, Bachelor's degree Structural Engineering at Technological University DublinGormanstown
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
html10
template-tags10
templater10
template-engine10
html-template10
email-templates10
emailjs10
scala10
Programming languages (3)
Github contributions (5)
hmrc/hmrc-email-renderer
Sep 2017 - Dec 2022
Role in this project:
Back-end Developer
Back-end DeveloperContributions:31 commits, 32 PRs, 5 comments in 5 years 4 months
Contributions summary:Colm primarily focused on adding and modifying email templates within the `hmrc-email-renderer` repository. They implemented new email templates related to Country-by-Country Reporting (CBCR) and made updates to existing templates, including adding first and last names. Their contributions included modifications to template files, template locator files, and preview parameters. Additionally, they added a new template for EEITT and made changes to the service identifier.
hmrc/self-service-time-to-pay-frontend-java
Feb 2017 - Jan 2019
Contributions:171 commits in 1 year 11 months
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