Rennan Oliveira
Engineering Manager at Jaya Tech
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolRennan Oliveira is an experienced engineering manager with 11 years building and scaling Ruby on Rails platforms, currently leading multiple teams at Jaya Tech in Rio de Janeiro. He combines hands-on senior dev skills—especially in Rails, DB optimization, Redis/Sidekiq and performance tuning—with people leadership, mentoring developers and shaping engineering culture. Rennan has driven monolith decomposition and scalability efforts across 20+ engineers, balancing architecture, backlog planning and OKR alignment while still reviewing critical code. Curious about GraphAPI, Vue.js and Elixir, he brings an object-thinking approach and a passion for teaching that helps teams adopt best practices beyond just shipping features.
11 years of coding experience
Bachelor's degree, Information Systems, Bachelor's degree, Information Systems at Universidade Federal Fluminense
Portuguese, English, Spanish
Stackoverflow
96reputation
35kreached
7answers
0questions
Github Skills (49)
sti9
decorators9
brazil8
api8
rspec8
css8
aprender8
javascript7
ruby7
rails7
materialize7
rake6
backend6
jekyll6
database6
Programming languages (4)
Github contributions (5)
sti-uff/dev-playbook
Mar 2016 - Oct 2016
Contributions:42 commits, 1 PR, 41 pushes in 7 months
stijavaguia
nights-of-insomnia/hodor-server
May 2017 - Oct 2018
A Ruby on Rails CAS-Server
Contributions:6 PRs, 28 pushes, 12 branches in 1 year 5 months
ruby-on-railscas-serverrailsrubycas
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