Fernando Abreu
Engineering Manager at CircleCI
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolFernando Abreu is an engineering manager with nine years of experience building scalable web and frontend systems, currently leading teams at CircleCI from Old Toronto. He progressed from hands-on software engineer to manager after driving major frontend re-architectures and CI/CD improvements that cut review time threefold and reduced bugs dramatically. His background includes delivering production features that materially cut customer costs—such as route-optimization tools—and reworking legacy systems to improve developer productivity and latency by orders of magnitude. Comfortable across the stack, he has shipped Node.js APIs, React/Redux frontends, Swift mobile apps, and worked with distributed datastores like Cassandra on AWS. He pairs academic rigor (research at University of Toronto and a Master's in CS) with practical impact, often championing developer ergonomics and testing to make teams faster. Peers describe him as a pragmatic technical leader who turns messy legacy codebases into maintainable, high-velocity platforms.
9 years of coding experience
8 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Dalhousie UniversityBachelor's degree Information Systems, Bachelor's degree Information Systems at USP - Universidade de São PauloComputer Science, Computer Science at University of TorontoComputer Science, Computer Science at Vrije Universiteit Brussel
English, Portuguese
Stackoverflow
21reputation
6kreached
1answer
0questions
Github Skills (66)
circleci10
avatar10
api-blueprint10
redoc10
todomvc10
documentation10
api-documentation10
jekyll10
ava9
habits9
enzyme9
chai9
traversal9
javascript8
testing8
Programming languages (5)
Github contributions (5)
Fernando-Abreu/test-circle-ci
Dec 2021 - Apr 2025
Contributions:3 PRs, 63 pushes, 21 branches in 3 years 4 months
Fernando-Abreu/realitycheck
May 2021 - Apr 2024
A sample app that reality-checks some basic CircleCI features
Contributions:9 pushes, 2 branches in 2 years 10 months
circlecichecksreality
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