Alef ojeda de Oliveira
Ubatuba, São Paulo, Brazil
Summary
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SeniorAlef Oliveira is a pragmatic Ruby on Rails backend developer and programador analista based in São Paulo with nine years in software and over four years focused deeply on Rails architecture, scalability and performance. He has progressed through roles at Prescon, InovaMind and Dimensa to his current position at SIEDOS, consistently tackling complex systems and seeking elegant, maintainable solutions. Trained in Computer Science and FullStack Ruby on Rails, he pairs formal education with hands-on bootcamp and online coursework, emphasizing practical delivery. Alef favors thoughtful architecture decisions and performance tuning over quick fixes, treating problems as opportunities to demonstrate knowledge. Colleagues would describe him as methodical and curious, often refining systems to reduce technical debt while improving throughput.
9 years of coding experience
Stackoverflow
1reputation
0reached
4answers
0questions
Github Skills (9)
react-forms7
activesupport6
flatten6
ruby6
ruby-on-rails6
react6
react-native5
http-method3
php1
Programming languages (7)
Github contributions (5)
nemuba/mock_http_requests
Feb 2023 - Nov 2025
Mock HTTP Requests API
Contributions:4 PRs, 16 pushes, 5 branches in 2 years 10 months
nemuba/todo-ajax-rails
Mar 2024 - Mar 2026
Contributions:8 PRs, 42 pushes, 6 branches in 2 years
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