Gustavo Lopes

- Manager of 4 teams
- Migrated source code from Gitlab to Github, reducing costs by 30%
- Introduced GitHub Actions, improving CI/CD time by more than 50% (from 35 min to 15 min)
- Improved testing coverage from 20% to 85%
- Improved deployment cycle time from 1 week to 2 days by introducing trunk-based development with feature flags
- Responsible for running regressions, deployments and releases

- Technical leader of 2 teams
- Created the authentication and authorization flow for more than 1 million users
- Refactored the whole e-commerce application (medium size, 6 months of work), with no downtime and with constant deliveries
- Responsible for implementing code review, QA analysis and agile metrics within the e-commerce team
- Backend chapter lead

-Technical leader of the developers' team (7 people)
-Introduced JIRA and scrum to better control of tasks planning and to generate reports for managers
-Automated repetitive, manual, daily processes of several coworkers, creating CLIs, RPAs, small applications, etc.
-Improved the application unreliable infrastructure with alarms and logs. Update the manually created infrastructure using Terraform

- Responsible for migrating a legacy monolithic Ruby system to Scala microservices
- Developed a search microservice using ElasticSearch, Scala and React.js, along with Google Maps API and Kubernetes

- Responsible for developing the second-factor security module of Santander Bank, delivering APIs for all the main channels, with more than 40 million requests a day. Used NodeJS, Typescript, Oracle DB, Docker, Mocha
- Responsible for raising demands and drawing technical solutions
- Improved the project’s structure, using better software design patterns