Gabriel Mazetto
Senior Backend Engineer at GitLab, Inc.
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolGabriel Mazetto is a Senior Backend Engineer with 17 years of experience building high-performance, scalable web platforms and DevOps automation. Based in Amsterdam, he focuses on distributed systems, benchmarking, and high-availability architectures, with deep hands-on expertise in Ruby on Rails, PostgreSQL, Redis, and deployment automation. At GitLab he has contributed to geographically replicated and disaster-recovery capabilities and to the Omnibus infrastructure that powers multi-platform installs, improving reliability across PostgreSQL, Redis and language/runtime upgrades. He previously led performance and scalability efforts at Resultados Digitais and built mission-critical LMS integrations and custom tooling at a federal university, combining academic rigor with production pragmatism. An active open-source contributor, his work on widely used GitLab projects spans backend, DevOps and CLI improvements, often addressing subtle compatibility and replication edge cases. Colleagues rely on him for metric-driven optimizations and pragmatic solutions that scale under real-world growth.
17 years of coding experience
4 years of employment as a software developer
Bachelor, Computer Information Systems, Bachelor, Computer Information Systems at Universidade Federal de Santa Catarina
English, Portuguese, German
Stackoverflow
1,100reputation
1.2mreached
25answers
5questions
Github Skills (34)
git10
ruby-rails10
postgresql10
gitlab-api10
gitlab-ci10
redis10
go-language10
configuration-management10
rails10
ruby10
gitlab10
go10
command-line10
golang10
rake10
Programming languages (26)
Github contributions (5)
gitlabhq/gitlabhq
May 2012 - Aug 2019
GitLab CE Mirror | Please open new issues in our issue tracker on GitLab.com
Role in this project:
Backend Developer
Backend DeveloperContributions:820 commits, 2 comments in 7 years 4 months
Contributions summary:Gabriel primarily worked on refactoring and improving the `RakeHelper` class within the GitLab codebase. Their contributions focused on extracting methods, reducing complexity, and removing code duplication. These changes involved modifying Ruby code related to storage operations and testing these changes with comprehensive specs covering various storage types and related rake tasks.
gitlab-apinew-issuestrackerrailsgitea
gitlabhq/omnibus-gitlab
Jun 2016 - Dec 2021
GitLab Omnibus Mirror | Please open new issues in our issue tracker on GitLab.com
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:245 commits in 5 years 6 months
Contributions summary:Gabriel primarily contributed to back-end infrastructure and configuration tasks within the GitLab Omnibus project. Their contributions involved modifying PostgreSQL configuration to prevent extension loading in slave servers. They also focused on updating Python and Ruby versions for the project, and making adjustments for Redis replication and password handling for Redis settings. Furthermore, the user contributed to improving the consistency and reliability of the GitLab infrastructure.
new-issuestrackergitlabgitlab-omnibusissue-tracker
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.