Wanderson Policarpo
Senior Software Engineer at GitLab
Dublin, Ireland
Summary
🤩
Rockstar🎓
Top SchoolWanderson Policarpo is a pragmatic Senior Software Engineer based in Dublin with over 13 years of professional experience and more than 20 years of hands-on work across web platforms, infrastructure, and developer tooling. He blends individual-contributor depth with team leadership, having led engineering teams, built internal developer platforms at Shopify and LearnUpon, and managed product-critical systems in betting and e‑commerce domains. Wanderson focuses on platform reliability, observability, dependency health, and developer experience—examples include an AI chat assistant for troubleshooting and a shared observability library to reduce duplication. An active open-source contributor, he has improved Rails and RSpec-sidekiq testing and adapter reliability, bringing a tester’s rigor to production code. He prefers environments that give engineers ownership and contribute back to the developer community, pairing technical craft with a people-first, optimistic approach to software delivery.
13 years of coding experience
20 years of employment as a software developer
Master of Business Administration (M.B.A.) Computer Software Engineering, Master of Business Administration (M.B.A.) Computer Software Engineering at Federal University of Rio de JaneiroBachelor's Degree Computer Science, Bachelor's Degree Computer Science at Anhanguera Educacional
Portuguese, English
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (17)
admin10
testing10
rspec10
test-framework10
database-administration10
sidekiq10
ruby10
sql-server10
sql10
activerecord10
databases9
database9
concurrency6
ruby-on-rails6
locking6
Programming languages (7)
Github contributions (5)
wspurgin/rspec-sidekiq
Oct 2015 - Jun 2019
RSpec for Sidekiq
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:8 commits, 5 PRs, 3 pushes in 3 years 8 months
Contributions summary:Wanderson primarily contributed to enhancing the testing capabilities of the RSpec-Sidekiq library. They implemented features for testing scheduled jobs, allowing developers to assert jobs enqueued with `perform_at` and `perform_in`. Furthermore, the user focused on improving the clarity and accuracy of failure messages within the testing framework, streamlining the process of debugging and identifying potential issues. This work demonstrates a commitment to improving the testing experience and reliability of the library.
minitestrailsrubyrspecsidekiq
rails-sqlserver/activerecord-sqlserver-adapter
Jul 2018 - Oct 2022
SQL Server Adapter For Rails
Role in this project:Back-end Developer
Back-end DeveloperContributions:29 reviews, 237 commits, 239 PRs in 4 years 3 months
Contributions summary:Wanderson primarily focused on fixing and improving tests related to the SQL Server adapter for Rails. Their commits addressed issues within the SchemaDumper, QueryCache, SerializedAttribute, and other testing areas to ensure proper functionality. They also made changes to the database statements, schema statements, and other adapter-specific components, which included adding configurations for fixture inserts and improving the datetime serialization. The user's work ensured the adapter's reliability and addressed specific integration and testing issues.
sql-servertinytdsrailssqlruby
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