Flavio Escobar, Developer in Salvador - State of Bahia, Brazil
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Flavio Escobar

Verified Expert  in Engineering

Software Developer

Salvador - State of Bahia, Brazil
Toptal Member Since
July 16, 2014

Flavio is a top developer and an aspiring entrepreneur. He has extensive experience and skills with web and game development and is also proficient with mobile applications. He is a master of PHP, JavaScript, and WordPress.


Anguleris Technologies (via Toptal)
Mailchimp, Adobe Illustrator, Adobe Photoshop, CSS, HTML
Intentional Media (via Toptal)
Data Migration, WordPress Plugins, WordPress Themes, WordPress
Peer Collective, Inc. (via Toptal)
CSS, JavaScript, PHP, Bootstrap, WordPress




Preferred Environment

Git, WebStorm, PhpStorm, Windows

The most amazing...

...thing I've coded is a set of multiplayer card games (e.g., poker), for which I created AI robots and wrote both the server and client sides.

Work Experience

Freelance Email Marketing Template Creator

2017 - PRESENT
Anguleris Technologies (via Toptal)
  • Built responsive email templates from PSD files sent by designers.
  • Made email templates compatible with Mailchimp dynamic variables.
  • Tested emails on several operating systems, devices, and email clients.
Technologies: Mailchimp, Adobe Illustrator, Adobe Photoshop, CSS, HTML

WordPress Developer

2020 - 2020
Intentional Media (via Toptal)
  • Developed a WordPress theme from ground zero based on designs created by a Toptal designer.
  • Migrated around 3,000 posts from four different websites into a new one.
  • Built a WordPress plugin to parse the migrated posts and map them to the new taxonomy structure based on the categories that they had on the old websites.
  • Configured a permanent redirect from the old websites to the new on.
Technologies: Data Migration, WordPress Plugins, WordPress Themes, WordPress

Top WordPress Developer

2020 - 2020
Peer Collective, Inc. (via Toptal)
  • Developed a WordPress theme for a online counseling platform.
  • Integrated a WordPress site with an external API written in Ruby.
  • Added a video conferencing functionality by integrating the WordPress theme with the Vonage Video API.
  • Set up and configured conversion tracking tools (Google Analytics and Mixpanel).
  • Implemented a set of administrative pages to help admins manage data in the Rails API.
Technologies: CSS, JavaScript, PHP, Bootstrap, WordPress

Senior Software Engineer

2019 - 2020
StartupRunner (via Toptal)
  • Created a marketplace available on the US and Brazil using a WordPress multi-site.
  • Maintained multiple Shopify stores by adding functionalities and customizing the UI.
  • Integrated a WordPress multi-site platform with Stripe and Ebanx, including custom integrations on WooCommerce for order processing.
  • Created a custom WordPress plugin to process payouts on Stripe and Ebanx.
  • Created an internal messaging and notification system on WordPress.
Technologies: CSS, HTML, JavaScript, PHP, Shopify, WordPress

Freelance WordPress Developer

2017 - 2018
Outrun (via Toptal)
  • Created a customized dashboard for a partially developed plugin to be able to see the data in the right format, facilitating the updating, editing, and removal of citations, making it possible to manage citations, domains, and their states.
  • Developed data export options in the citations plugin so that the information could be exported to XLS and CSV files, which can be read in Excel or similar software.
  • Migrated the data from one host to the other, backing up all files, databases, DNS settings, MX entries, redirects, and importing emails.
  • Configured GSuite to allow the domain emails to be imported and work. The IMAP protocol used to import emails also allows the visualization of old emails in the Gmail inbox.
  • Created functionalities to extend the citation plugin's operation, allowing the user to view data separated by topics and users, making all data that comes from a purchase performed by WooCommerce viable.
  • Developed features that allow elements to be manipulated and updated by users that have data visualization and manipulation permissions.
Technologies: MySQL, React, CSS3, HTML5, WooCommerce, WordPress, jQuery, JavaScript, PHP

Joomla Developer

2017 - 2017
Environmental Pest Service (via Toptal)
  • Fixed several bugs in a Joomla! website.
  • Ensured that backups were being successfully created.
  • Updated and tested Joomla! core and plugins.
Technologies: JavaScript, Bootstrap, MySQL, Joomla

Front-end Developer

2016 - 2016
3d-Viewing (via Toptal)
  • Developed a Joomla! template for a marketing website from scratch based on a Sketch layout.
  • Made the template responsive using Bootstrap.
  • Developed an Ajax contact form into the template.
  • Created several template options under a Joomla! administration panel so admin users can easily customize the template.
  • Created alternative layouts for some Joomla! modules to easily integrate them with the template.
Technologies: jQuery, JavaScript, CSS, HTML, PHP, Joomla, Bootstrap

Web Developer

2016 - 2016
Sorrento, LLC (via Toptal)
  • Created a WordPress site for aggregations and site rating called Course Concierge.
  • Developed WordPress plugins to manage site data.
  • Created a search page with Ajax filters.
  • Developed a tool to auto-generate search result URLs so that admins could be able to share customized search results.
  • Created a 'favorite' button so users could save courses into a favorite courses' list.
Technologies: jQuery, Ajax, MySQL, WordPress, CSS3, HTML5, JavaScript, PHP

WordPress Engineer

2015 - 2016
GTxcel (www.gtxcel.com; via Toptal)
  • Created a WordPress plugin that pulls periodically ready-to-publish and high-value articles from Associated Press (AP), deleting old non-published ones and renewing the queue.
  • Developed a WordPress plugin that alerts site visitors periodically about severe weather conditions all over the US. The information is provided by the National Oceanic and Atmospheric Administration (NOAA).
  • Created a WordPress plugin that integrates the FoxyShop plugin and FoxyCart eCommerce platform in order to automatize and customize product selling, delivery, and recurring billing.
  • Implemented a WordPress plugin that is capable of cleaning and organizing tons of recent imported articles by recategorizing and deleting some of them.
  • Developed a WordPress plugin that customizes how Yuzo Related Posts displays in the post content.
  • Fixed some WordPress plugins and integrations from GTxcel's customers' sites.
Technologies: MySQL, WordPress, CSS3, HTML5, JavaScript, PHP

WordPress Developer

2015 - 2015
SONAR (www.mediathink.com; via Toptal)
  • Developed the Red Carpet Diary website using WordPress (http://redcarpetdiary.com). This site provides online coverage of the Toronto International Film Festival (TIFF).
  • Built a responsive WordPress theme using Bootstrap.
  • Developed a dynamic video gallery that pulls videos hourly from YouTube through its API.
  • Created a Twitter widget to show the latest tweets of @redcarpetdiary.
  • Implemented an easily customizable image gallery using the native WordPress image uploader.
Technologies: MySQL, Bootstrap, WordPress, CSS3, HTML5, JavaScript, PHP

Web Developer

2015 - 2015
Timothy Crofton Real Estate (via Toptal)
  • Cleaned up the site installation for a client whose website was hacked and put it back live.
  • Fixed some functionalities that were not working.
  • Developed and installed a new Joomla! contact module.
  • Fixed some security flaws to reduce the risk of another invasion.
  • Made some layout adjustments.
Technologies: Joomla, jQuery, CSS, HTML, MySQL, JavaScript, PHP

Front-end Designer

2015 - 2015
The Next Seed, Inc. (via Toptal)
  • Created a WordPress plugin that uses Monolog to handle log messages.
  • Developed several new functionalities in a responsive manner using Bootstrap.
  • Created a WordPress plugin to manage Mandrill API calls.
  • Wrote a WordPress plugin to handle data security (encryption).
  • Created a WordPress plugin to handle HubSpot API communication.
Technologies: CSS, jQuery, JavaScript, PHP, Bootstrap, WordPress

Systems and Advanced Projects Analyst

2013 - 2015
Companhia de Governança Eletrônica do Salvador
  • Built sites using Joomla.
  • Developed Joomla components, modules, and templates.
  • Developed web applications.
  • Designed mobile apps using Apache Cordova.
  • Created a reusable server-side module to interact with mobile applications.
Technologies: HTML, CSS, WordPress, MySQL, Cordova, Joomla, JavaScript, PHP

CNPq Scholarship - Level B

2013 - 2013
Federação das Indústrias do Estado da Bahia — FIEB
  • Developed a game using ActionScript integrated with Kinect.
  • Researched and developed a web application managing innovation for companies.
  • Built WordPress sites.
  • Developed a platform for diagnosing a company's innovation status.
  • Developed a set of Flash objects to help entrepreneurs implement innovations for their companies.
Technologies: MySQL, CSS, HTML, WordPress, Flash ActionScript, JavaScript, PHP

Systems Analyst

2010 - 2012
Virtualize Creative and Digital Solutions
  • Developed mobile games using ActionScript and Starling framework.
  • Developed web games using Flash and ActionScript.
  • Created multiplayer online games using Flash, ActionScript, and SmartFox Server.
  • Built sites using the company's private framework.
  • Created reusable ActionScript modules to be used on games.
  • Created intelligent robots to play online against real users.
Technologies: Starling, Flash ActionScript, JavaScript, PHP

AnimadosZoo Puzzle

Mobile jigsaw puzzle game for kids. I coded the entire game for this project.

Virtualize's Christmas Message

Facebook social game where users send Christmas messages to their friends, who then need to climb up a Christmas tree to see the message. I coded part of the game.

Ajax Contact Form for Joomla!

A Joomla! module that displays a contact form. The messages are sent using Ajax. I coded the entire project and shared it on GitHub.

Compre na 25

eCommerce site built using OpenCart.

ECF Tech

Site of the company ECF Tech. This site was created using Joomla! CMS.

Editora CAX

Site created with WordPress to the company Editora CAX. I created the template and some custom plugins.

PH7 Soluções em Filtração

Built this website from scratch using WordPress and Boostrap and also wrote an administration manual teaching how to edit each part of the website. The client is able to manage the entire website without any code knowledge.

Alô Baterias e Serviços

Built a WordPress site from scratch by creating a theme using Bootstrap and also developed a plugin to allow users to manage products into their website.
2007 - 2011

Bachelor's Degree in Computer Science

Bahia Federal University - Salvador, Bahia, Brasil


Optimizing a Website for Search



Search Engine Optimization Fundamentals



Introduction to Search Engine Optimization



jQuery Validation, jQuery Plugins, jQuery File Upload, REST APIs, Mailchimp API, Mandrill API, jQuery, WooCommerce API, Box API, Node.js, Starling, React


Mailchimp, Sublime Text 2, GreenSock, MySQL Workbench, Sublime Text 3, Advanced Custom Fields (ACF), NPM, FlashDevelop, PhpStorm, WebStorm, Git, Adobe Photoshop, Adobe Illustrator, Grunt, Composer, Vim Text Editor, Apache


Bootstrap 3, Bootstrap, TweenMax, PhoneGap, Phoenix, React Native


CSS3, PHP, CSS, HTML, XML, ActionScript 3, JavaScript, SQL-99, SQL, Sass, Elixir, Flash ActionScript, HTML5


REST, Object-oriented Programming (OOP), Functional Programming


WordPress, Mandrill, Windows, Joomla, Joomla 3, WooCommerce, WordPress Theme Design, Ubuntu, Android, iOS, HubSpot, Shopify




PSD to HTML, PSD to Joomla!, PSD to Bootstrap, WordPress Themes, WordPress Plugins, Ajax, Adobe Flash Builder, WordPress Design, Cordova, Frameworks, Data Migration

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