Oscar Arbeláez
Senior Software Engineer at Squarespace
Ballyboden, Ireland
Summary
👤
Senior🎓
Top SchoolOscar Arbeláez is a Senior Software Engineer with 11 years of experience blending scientific rigor and practical engineering across research and product teams. Trained as a physicist with an MS and an engineering degree from Universidad Nacional de Colombia, he transitioned from academic research into full-stack and staff engineering roles, most recently at Squarespace after a multi-year tenure at NextRoll. He excels at building reliable, scalable web systems and has led development, DevOps, and cross-functional teams in both contractor and staff positions. Oscar brings a scientist’s curiosity to production problems, often applying quantitative thinking to optimize systems and processes. Based in Ballyboden, Ireland, he pairs hands-on coding with mentorship and architecture work, and maintains a personal interest in algorithmic exploration reflected in his GitHub persona.
11 years of coding experience
9 years of employment as a software developer
Master of Science - MS Physics, Master of Science - MS Physics at Universidad Nacional de Colombia
English, Spanish, Italian
Stackoverflow
774reputation
110kreached
14answers
3questions
Github Skills (157)
scientific-publications10
lattice10
simulator10
text-files10
rest-api10
rest10
open-science10
command-line-utility10
diffraction10
simulation10
sqlalchemy10
jupyter-book10
moderncv9
database9
phantomjs9
Programming languages (14)
Github contributions (5)
odarbelaeze/aiida_core
Mar 2019 - Aug 2024
The official repository for the AiiDA code
Contributions:4 PRs, 36 pushes, 12 branches in 5 years 6 months
aiida
odarbelaeze/fullstack-template
Apr 2021 - Jun 2025
A nginx proxy based full stack mono repo.
Contributions:1 PR, 7 pushes, 3 branches in 4 years 2 months
flaskmonoreponginxproxyreact
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