Gabriel Queiroz
Senior Software Engineer at Shopify
Vancouver, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolGabriel Queiroz is a Senior Software Engineer with 11+ years of experience specializing in backend performance, observability, and scalable architecture across e-commerce, fintech, and customer success domains. He excels in Ruby and Java ecosystems, has shipped large migrations (including moving all customers to TiDB/Databricks), and built a Ruby SQL query builder that enabled live platform migrations without downtime. Gabriel has deep operational experience with Kafka, Kubernetes, Sidekiq, and a variety of monitoring tools, and has improved production efficiency—e.g., cutting Postgres disk usage by over 50% and processing millions of daily updates via calculated fields. A pragmatic full-stack thinker, he blends monolith and microservice patterns to prioritize resilience and developer ergonomics, and brings hands-on observability improvements that make debugging and capacity planning repeatable. Based in Vancouver, he pairs strong engineering craft with a penchant for translating complex business segmentation needs into performant, auditable systems.
11 years of coding experience
9 years of employment as a software developer
Technologist System Analysis and Development, Technologist System Analysis and Development at Faculdade de Tecnologia Zona Leste FATEC ZLComputer Science, Computer Science at University of New Orleans
Portuguese, English
Github Skills (22)
sens9
graphical-user-interface7
lag6
user-interface6
ruby-on-rails5
cart5
activerecord5
mongoid5
javascript4
monitor4
rails4
browser4
ruby4
sharding4
server-side4
Programming languages (5)
Github contributions (5)
openwstcc/wstcc
Sep 2015 - Nov 2015
Contributions:78 commits, 58 pushes, 1 branch in 1 month
openwstcc/androidtcc
Sep 2015 - Dec 2015
Contributions:137 commits, 111 pushes, 1 branch in 2 months
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