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Miguel Calderón Sang
Verified Expert in Engineering
Software Developer
Santo Domingo, Distrito Nacional, Dominican Republic
Toptal member since January 16, 2020
Bio
Miguel is a systems engineer with a master's degree in web engineering. He has over 10 years of experience working with PHP and has expertise in WordPress and WooCommerce, specifically WooCommerce hooks. Miguel understands the importance of delivering pixel-perfect work and has developed outstanding projects with many clients.
Portfolio
Neighborhoods.com LLC
WordPress, WordPress Plugins, Cloudflare, APIs, Multiple Listing Services (MLS)...
Freelance
Sass, Composer, PHP, Laravel, WordPress, HTML5, CSS3, Webpack, React...
RAMS Industries Ltd.
WooCommerce API, WordPress, WooCommerce, Security, eCommerce, Card Payments...
Experience
- WordPress - 10 years
- MySQL - 5 years
- WooCommerce - 5 years
- jQuery - 5 years
- PHP - 5 years
- JavaScript - 4 years
- PHP 7 - 4 years
- React - 1 year
Preferred Environment
MacOS, Linux, Visual Studio Code (VS Code), PhpStorm
The most amazing...
...project I've developed was a large platform for Adecco. It has over 400,000 users and eCommerce with custom booking services.
Work Experience
Senior WordPress Engineer
2022 - PRESENT
Neighborhoods.com LLC
- Improved the timing and productivity of delivering tasks.
- Refactored the project to meet higher and better standards.
- Enhanced the SEO and standard rendering responses.
Technologies: WordPress, WordPress Plugins, Cloudflare, APIs, Multiple Listing Services (MLS), Gutenberg Editor, Google Analytics, Figma to WordPress, Google Tag Manager, Web Hosting, ACF PRO, HTML, WordPress Theme Design, Security
Web Developer
2014 - PRESENT
Freelance
- Delivered over 20 highly customized projects, most of them built from scratch.
- Assisted clients with digitalizing their companies, from web solutions to business logic and automatization of the process.
- Organized legacy code with a control version and different environments for testing purposes.
- Sped up web performance from 13 to 3 seconds for loading.
Technologies: Sass, Composer, PHP, Laravel, WordPress, HTML5, CSS3, Webpack, React, Figma to WordPress, Google Tag Manager, eCommerce, Web Hosting, ACF PRO, WP Engine, HTML, WordPress Theme Design, Security, MariaDB
WordPress Developer
2025 - 2025
RAMS Industries Ltd.
- Added multi-currency support to the site using Moneris for payment processing.
- Resolved various WooCommerce order-related bugs to improve site reliability and user experience.
- Guided the client through key WordPress features to help improve their website solution.
Technologies: WooCommerce API, WordPress, WooCommerce, Security, eCommerce, Card Payments, Bug Fixes, Shipping, PHP, WordPress Plugins
Web Developer
2018 - 2020
Yondbee Social Effects
- Worked with clients that have offices in more than 47 countries.
- Created an eCommerce site with custom booking functionality. Used technologies like React and Laravel.
- Contributed to multiple projects at the same time using different technologies.
Technologies: MySQL, WooCommerce, Linux, PHP 7, React, Laravel, jQuery, WordPress, PHP, HTML5, CSS3, Figma to WordPress, Web Hosting, ACF PRO, HTML, Bitbucket, WordPress Theme Design, DigitalOcean, Security
Web Developer
2017 - 2018
FlowHance
- Created several custom themes with highly detailed designs.
- Built custom plugins for big companies related to the music industry.
- Developed several jQuery and Vanilla JS custom functionalities to accomplish unique, out-of-the-box designs.
Technologies: MySQL, WooCommerce, PHP 7, JavaScript, jQuery, WordPress, PHP, HTML5, CSS3, Stripe, Web Hosting, ACF PRO, HTML, WordPress Theme Design, Security
Web Developer
2014 - 2017
Pascal & Bull
- Developed projects for various companies with custom blogs and lots of markups.
- Created pixel-perfect landing pages for American companies.
- Worked with San Isidro Free Zone on several projects. Built architecture for their applications.
Technologies: MySQL, WooCommerce, PHP 7, jQuery, JavaScript, WordPress, PHP, HTML5, CSS3, Web Hosting, HTML, Security
Experience
Adecco CEO-finding Platform
This project allows companies to choose their own CEO by recruiting candidates from over 47 countries. Users keep filtering candidates until the right one is found. Everything was developed in PHP and JavaScript, integrated with different APIs such as LinkedIn and Facebook, with a custom dashboard for managers.
Grandes Viviendas
http://gvre.es/This was a pre-bought WordPress theme I customized with an opal estate forked plugin to improve the ability to manage services. I synced the API with the platform to the client's properties and website with several custom data and CRUD functionalities.
Local Medicare Pro
This is a WordPress/Elementor solution using a custom theme and custom plugins with API integration. Data is dynamic with the test environment. It has a custom form with jQuery animations, is mobile responsive, and contains a highly customized front end built from scratch based on design specifications.
Play in School
https://www.playinschool.com/A college recruiting project based on WordPress. I made the subscription for the players by doing some custom integration with the pilot press and worked on the search table, subscription page, and general improvements.
Rosenman Institute
Health Technology website with different features, developed with Custom Blocks using ACF, SASS, and JavaScript. I was in charge of developing everything from back-end to front-end, getting the design from Figma to WordPress.
Forever Magic
https://www.forevermagicrealty.com/Web for showing properties for a realty company. I was in charge of the whole project. It was done in WordPress using custom blocks for dynamic content, implemented a custom plugin for the custom blocks, and a custom theme for the header, footer, and any custom template.
55places.com
http://55places.comA web real estate platform that was migrated from Laravel and React to WordPress. It was integrated by an API, and the data was migrated to WordPress using core tables and custom MySQL tables. I created a custom plugin to incorporate the stakeholder's requirements into the project.
Novaflex
The WordPress site, integrated with WooCommerce, offers LED solutions through a customized platform. It features bespoke plugins, including a PDF generator that allows users to select various products and export detailed solution documents for various applications.
Education
2018 - 2019
Master's Degree in Web Engineering
Universidad Politécnica de Madrid - Madrid, Spain
2011 - 2016
Bachelor's Degree in Systems Engineering
Instituto Tecnológico de Santo Domingo - Santo Domingo, Dominican Republic
Skills
Libraries/APIs
jQuery, REST APIs, Stripe, React, WooCommerce API
Tools
Advanced Custom Fields (ACF), ACF PRO, Bitbucket, Gutenberg Editor, Multiple Listing Services (MLS), Composer, Webpack, Figma, PhpStorm, DomPDF, Google Analytics
Languages
HTML5, CSS3, PHP, HTML, PHP 7, JavaScript, SQL, Sass, CSS, Java, SCSS
Platforms
WordPress, WooCommerce, WordPress Theme Design, DigitalOcean, Linux, Windows, MacOS, iOS, Visual Studio Code (VS Code), Web
Storage
WP Engine, MariaDB, MySQL
Frameworks
Laravel, Divi, .NET
Paradigms
Agile
Other
CSS Preprocessors, WordPress Themes, WordPress Plugins, Figma to WordPress, eCommerce, Web Hosting, Security, Elementor, Gravity Forms, Google Tag Manager, Visual Composer, APIs, Cloudflare, Third-party APIs, Card Payments, Bug Fixes, Shipping
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