Oswaldo Ferreira Email & Phone Number

Rio De Janeiro, Brazil

- Major performance improvements in the main hubstaff.com dashboards- Have been part of a small team delivering a system overhaul that puts Hubstaff in a position to receive a major funnel of new customers- "Paid addons" architecture & development: Giving organizations access to additional paid features (along their existing plan)

Helping scale GitLab.com by improving observability, setting scalability best practices and building the bridge between product developers and infrastructure.Techstack:- Ruby- Go (when touching services like Gitaly)- Kibana- Grafana- Prometheus- Redis (Cache and Sidekiq)- PostgreSQL

Backend work within GitLab's Create product team:- All iterations of 'diff suggestions' feature for Merge Requests- Support comments in hidden areas of diff files in GitLab's Merge Requests UI- Several performance bottleneck investigations and improvements within Create team product areaGitLab is an open-core company, therefore all my work is public at https://bit.ly/2M5Kt2W

Backend work within GitLab's Plan product team:- First iteration of Jira development panel integration- Issue boards- V3 to V4 API update- Performance improvements within Plan areas

Rio De Janeiro Area, Brazil

HE:labs is a remote digital product consultancy that deals with challenging startup and enterprise projects.Stack:- Ruby / Ruby on Rails (RSpec tests)- JS / jQuery / React- Postgres / ActiveRecord- Sidekiq with Redis- CSS / SASS- SnapCI / CircleCI- Heroku- Amazon S3

Campos, Rio De Janeiro

Stack:- Ruby / Ruby on Rails (RSpec tests)- JS / jQuery- Postgres / ActiveRecord- Sidekiq with Redis- CSS / SASS

Instituto Federal Fluminense

Develop new features and keep legacy code from an academic administrative managing project.

Instituto Federal Fluminense

Automate metadata extraction on digital documents and integrate it with an academic digital library.