Mateus Pereira
Senior Software Engineer at OmbuLabs
Ceará, Brazil
Summary
🤩
Rockstar🎓
Top SchoolMateus Pereira is a Senior Software Engineer based in Ceará, Brazil, with eight years of experience delivering pragmatic, client-focused solutions across web and mobile platforms. At OmbuLabs he’s driven numerous Rails upgrades (3.2 to 7.1), implemented CI/CD and automation tooling that reduced unbillable time, and advised on high-risk refactors and migrations while mentoring junior engineers. His background spans backend work on a Ruby compiler project (natalie), where he contributed nuanced integer/bignum behavior—evidence of low-level problem solving beyond typical application development. With a foundation in physics and a professional master’s in game development, he combines analytical rigor with practical engineering to bridge architecture, tooling, and feature delivery. Colleagues describe him as goal-oriented and highly accountable, consistently owning outcomes from design through automated testing and deployment.
8 years of coding experience
1 year of employment as a software developer
B.S. in Physics, Elementary Particle Physics, B.S. in Physics, Elementary Particle Physics at Universidade Federal do CearáProfessional Masters, Game Development and Programming, Professional Masters, Game Development and Programming at Unichristus
English, Spanish, French, Portuguese
Stackoverflow
36reputation
2kreached
3answers
1question
Github Skills (11)
ruby10
compiler10
c-language10
compiler-compiler10
cprogramming-language10
kotlin6
android-studio6
android6
sdk6
flutter6
java6
Programming languages (16)
Github contributions (5)
natalie-lang/natalie
Nov 2021 - Dec 2021
a work-in-progress Ruby compiler, written in Ruby and C++
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 1 PR, 9 comments in 12 days
Contributions summary:Mateus primarily contributed to the `natalie` Ruby compiler project by working on the `Integer` class implementation. Their commits focused on adding and refining integer-related functionality, specifically concerning the `odd?` method and its behavior for both fixnum and bignum types. They also addressed issues with handling bignum operations, including commenting out tests dependent on unimplemented features and overriding methods for bignum value. Furthermore, the user made changes to the `integer_value.hpp` and `bignum_value.hpp` files, implementing virtual functions and overrides.
cppwiprubycompilercompiled
ombulabs/failure_machine
Jan 2023 - Aug 2023
A failure machine to organize all your RSpec failures
Contributions:1 review, 13 PRs, 29 pushes in 6 months
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