Researcher and Developer
2014 - PRESENTEnvisioning Technology- Created a RESTful API with I18n support for interacting with a graph database on emergent technologies.
- Researched methodologies for comparison of emergent technologies in relation to their development progress.
Technologies: Mocha, Neo4j, Express.js, Node.js, JavaScriptNode.js Developer
2017 - 2017OverUnder (via Toptal)- Restructured the database for better performance.
- Implemented custom functions and triggers on the database.
- Developed RESTFul API endpoints.
- Developed service workers and background processes for data scraping.
- Developed libraries to handle PostgreSQL table inheritance logic on Node.js.
Technologies: Express.js, PostgreSQL, Node.jsPHP/Zend back-end Developer
2016 - 2017Wordi (via Toptal)- Migrated a PHP app to Node.js using Loopback.
- Extended Loopback connectors to be able to handle complex collation logic.
- Implemented web sockets for notifications.
- Implemented peer to peer audio communication via web sockets.
- Developed and integrated audio processing to clean up audio uploaded by users.
- Extended the default filtering methods of Loopback to accept custom values.
- Integrated Solr with MysQL to better handle large volumes of data.
- Developed application caching using Redis.
Technologies: Solr, SOX, Redis, Socket.IO, MySQL, Loopback, Node.js, PHPEmber.js User Experience Artisan
2015 - 2016Travelbank (via Toptal)- Created abstractions to handle Cordova integration.
- Developed a custom store for a hybrid approach between local storage and API requests.
- Heavily refactored many parts of the app.
- Improved test coverage.
- Migrated the app from CoffeeScript to ECMAScript 6.
- Extended the loopback API.
- Helped to flesh out the UX.
Technologies: Sass, CoffeeScript, ECMAScript (ES6), Cordova, Node.js, Ember.jsEmber.js Expert
2015 - 2015Leapset (via Toptal)- Developed multiple Ember CLI add-ons.
- Implemented custom API endpoints on a Node.js Sails application.
- Developed scripts for filtering, validation, and importing of data from non-trivial XLS files.
- Reorganized the Ember.js project structure to better integrate with newer versions of dependencies.
- Coached team members on Ember.js best practices and future developments.
- Improved test coverage of Ember.js projects.
Technologies: Bootstrap, MongoDB, Sails.js, Node.js, Ember.jsFull-stack Developer
2015 - 2015School Family Media (via Toptal)- Fixed bugs on the application sign-up flow.
- Redesigned the UI of a Backbone.js/Marionette.js application.
- Implemented new features on a Backbone.js/Marionette.js application.
Technologies: CSS, Marionette.js, Backbone.js, JavaScript, MySQL, CakePHP, PHPLead Developer
2014 - 2015Tagon8- Led a small team on the development of a single-page application for human resource management using Ember.js.
- Assigned priorities to development tasks.
- Created various Ember.js custom components.
- Developed part of an API with Express.js and MongoDB. Included tests with Mocha.
- Configured continuous integration for an application using Travis CI.
- Instructed new developers on working with Ember.js.
- Presented a workshop introducing Ember.js.
Technologies: Bootstrap, Stylus, Mocha, Emblem, D3.js, Ember.js, MongoDB, Node.js, JavaScriptWeb Developer
2014 - 2014Núcleo Digital- Extended Python CKAN, customizing it to the needs of the government of the City of São Paulo as the central aggregation of municipal data.
- Developed custom CKAN templates.
- Developed custom WordPress themes and plugins.
Technologies: Sass, Stylus, CSS, Jekyll, MySQL, CKAN, Python, WordPress, PHPFront-end Software Developer
2013 - 2014Tagon8- Developed a single-page application using Ember.js that powered the interface for a buyer's club, involving interfacing with various partner APIs.
- Designed and developed a single-page application using Ember.js and D3.js to allow administrative tasks and custom business intelligence reports to be extracted and visualized from another application.
Technologies: Bootstrap, Sass, D3.js, Ember.js, Node.js, JavaScriptBack-end Software Developer
2013 - 2013Natura (via Concrete Solutions)- Developed a PHP adapter for the Java TinCan library.
- Implemented Drupal modules for e-learning.
- Implemented Drupal custom themes.
Technologies: MySQL, Drupal, PHP, LessLead Developer
2012 - 2012Locaweb (via Concrete Solutions)- Handled the transition of projects from third-party developers to in-house developers.
- Integrated a custom authentication platform.
- Developed administration panels for a CMS.
- Handled project migration from SVN to Git.
- Implemented a custom theme system on top of WordPress.
Technologies: Git, Subversion (SVN), Sass, JavaScript, MySQL, WordPress, PHPSoftware Developer
2011 - 2012Dafiti (via Concrete Solutions)- Implemented improvements on validation and data display for store checkout.
- Improved and refactored the store templating system to allow whitelabel stores. Implemented administration of the new templating system and its caching system.
- Architected and implemented a private RESTful API to serve mobile applications.
Technologies: Ext JS, jQuery, Memcached, Redis, MySQL, Yii, Zend Framework, JavaScript, PHPSoftware Engineer
2011 - 2011Delta X- Developed an integration flow for the welcoming process for sellers from the sixth largest direct sales company in the world.
- Developed a system responsible for handling the logistics of tracking one of the largest delivery operators in Brazil.
- Handled performance optimization for a series of process reports using PostgreSQL.
- Optimized processes for the printing of delivery packages.
- Developed custom reports for the marketing department.
Technologies: MySQL, PostgreSQL, PHP, PerlWeb Developer
2010 - 2011New Content- Designed and developed a platform for advertising tweets by celebrities, allowing bidding on campaigns, scheduling of tweet publications, tracking of clicks and handling of payments. Developed algorithms to determine the reach of each Tweet and celebrity.
- Developed both the back-end and front-end of a CMS for highly interactive magazines and the accompanying APIs.
- Integrated Google Maps with various custom functions as the main navigation into a tourism portal.
- Created a system to allow readers of a tourism portal to create a schedule for their trips and be able to save it without requiring any logins.
- Assisted another team in migrating an application from PHP to .NET.
Technologies: CSS, jQuery, JavaScript, HTML, WordPress, CakePHP, MySQL, PHP