<ul><li>Lead software engineer on the backend-side of the game, responsible for a high throughput and high available software</li><li>Responsible for deploys and releases, ensuring smooth transition between versions</li><li>Sole developer on the internal CMS tool</li></ul>

Lead Software Engineer

<p>Responsible for designing and doing maintenance to several microservices using Go, Node and Typescript. Some services achieving 40M rps in peak times.</p>

Senior Software Engineer

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

Lead Software Engineer / Engineering Manager

<ul><li>Technical leader of 2 teams</li><li>Created the authentication and authorization flow for more than 1 million users</li><li>Refactored the whole e-commerce application (medium size, 6 months of work), with no downtime and with constant deliveries</li><li>Responsible for implementing code review, QA analysis and agile metrics within the e-commerce team</li><li>Backend chapter lead - run weekly meetings with the whole dev team to discuss various aspects of the application and internal product</li></ul>

Full Stack Software Engineer / Tech Lead

<ul><li>Technical leader of the developers&#x27; team (7 people)</li><li>Introduced JIRA and scrum to better control of tasks planning and to generate reports for managers</li><li>Automated repetitive, manual, daily processes of several coworkers, creating CLIs, RPAs, small applications, etc.</li><li>Improved the application&#x27;s unreliable infrastructure with alarms and logs. Update the manually created infrastructure using Terraform</li><li>Created internal web services (Angular + PWA, mostly) to replace several Excel worksheets used by the business teams</li></ul>

Lead Software Engineer / Tech Lead

<ul><li>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</li><li>Responsible for raising demands and drawing technical solutions</li><li>Improved the project’s structure, using better software design patterns</li></ul>

Backend Software Engineer

<ul><li>Small startup with only 2 developers.</li><li>Responsible for the system front end, using jQuery, SASS and HTML5. Used Electron/PhoneGap for desktop and mobile applications.</li><li>Improved application response time by structuring Amazon Services (Elastic Load Balance, CDN) and instantiating proper cache</li><li>Enhanced deployment speed and security by creating automated scripts</li><li>Improved company&#x27;s overall communication by implementing Github issues and code versioning</li></ul>

Personal details

Gustavo L.

Summary

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