Lucas Arruda
Senior Software Engineer at Primary Diagnostics
World, Brazil
Summary
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SeniorLucas Arruda is a Senior Lead Software Engineer with 11 years of experience building and scaling full-stack web platforms, currently helping Primary.Health deliver high-throughput COVID-19 testing and vaccination services across the U.S. He combines hands-on Ruby on Rails, React, Node.js and cloud (AWS Serverless) expertise with a pragmatic, value-driven approach to software practices and team mentorship. Lucas has led and grown teams, improved legacy Rails systems for enterprise clients, and run his own consultancy delivering tailored software solutions. Comfortable across backend, frontend and infrastructure, he brings a track record of turning high-impact public-health and commerce problems into production-ready systems. An early open-source and community contributor (Ubuntu volunteer) with a background in computer science and software engineering, he pairs technical depth with practical delivery.
11 years of coding experience
Stackoverflow
1,472reputation
536kreached
24answers
10questions
Github Skills (146)
mvc10
ruby10
wysiwyg10
activerecord10
html10
textmate10
rails10
rails-app10
summernote10
atom-plugin10
turbolinks10
sublime-text9
editor9
javascript9
babashka9
Programming languages (12)
Github contributions (5)
LucasArruda/lucasarruda.github.com
Jan 2015 - Jul 2026
My personal website
Contributions:12 PRs, 103 pushes, 9 branches in 11 years 7 months
reactnextjs
PrimaryDotHealth/smartsheet-ruby-sdk
May 2023 - Mar 2025
Library that uses Ruby to connect to Smartsheet services - Forked to fix ruby 3 issue
Contributions:1 review, 2 pushes, 1 branch in 1 year 10 months
rubysmartsheet
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