Himad Mouhtar, Developer in Madrid, Spain
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Himad Mouhtar

Verified Expert  in Engineering

WordPress Developer

Madrid, Spain
Toptal Member Since
July 28, 2020

Himad is a results-driven, accomplished, bilingual full-stack developer highly regarded for developing applications and sites that exceed corporate and client requirements. He has superb analytical skills, with the ability to solve challenging problems using industry standards and cutting-edge technologies, delivering clean, well-structured code. Himad is equipped with the skill set to work compatibly with clients to understand requirements and develop quality products with on-time delivery.


Toptal Clients
PHP, JavaScript, WordPress, Advanced Custom Fields (ACF), WooCommerce...
SQL, Angular, JavaScript, PHP, WordPress Plugins, WordPress
Koala Workshop
PHP, Laravel, Ionic, Angular, JavaScript




Preferred Environment

WordPress, React, PHP, WooCommerce, LearnDash, LearnPress, WordPress VIP, WordPress Plugins, Gravity Forms, MemberPress

The most amazing...

...experience I've had was giving a TEDx talk on how software is changing our lives and the ethical problems we might face with the implementation of AI.

Work Experience

Senior WordPress Engineer

2020 - PRESENT
Toptal Clients
  • Provided leadership and direction to teams of varying sizes in the development and improvement of WordPress sites with significant traffic and custom requirements.
  • Implemented enhancements and optimizations to WooCommerce websites with thousands of products to address performance issues.
  • Detected and resolved performance issues using tools like XDebug, New Relic, and Query Monitor.
  • Selected custom plugins and themes for clients, implementing strategies to extend the functionality of various plugins such as WooCommerce, LearnDash, MemberPress, Gravity Forms, Advanced Custom Fields (ACF), and others.
  • Delivered comprehensive WordPress training to clients and end users.
Technologies: PHP, JavaScript, WordPress, Advanced Custom Fields (ACF), WooCommerce, LearnDash, LearnPress, React, Angular, TypeScript, Membership Sites

Full-stack Web Engineer

2019 - 2020
  • Developed two WordPress plugins: Rekruit to manage recruitment operations and information about candidates and Timesheets to manage employees' worked hours, vacations, and performance.
  • Created an intranet for the company in WordPress, which uses Rekruit and Timesheets plugins to manage information about recruitment processes and employee performance.
  • Managed virtual private servers in DigitalOcean to host WordPress sites.
Technologies: SQL, Angular, JavaScript, PHP, WordPress Plugins, WordPress

Full-stack Web Engineer

2018 - 2019
Koala Workshop
  • Used Laravel to create REST APIs and handle data from web apps.
  • Developed single-page applications using AngularJS.
  • Developed cross-platform applications using Ionic.
  • Worked with a team of several developers and used Git to keep our code synchronized and version controlled.
Technologies: PHP, Laravel, Ionic, Angular, JavaScript

Full-stack Web Engineer

2017 - 2018
  • Developed several custom themes based on provided mockups.
  • Enhanced interfaces by implementing asynchronous calls to fetch data.
  • Customized and extended WooCommerce functionality with hooks.
Technologies: JavaScript, PHP, WooCommerce, WordPress

WordPress Engineer for a Kids E-learning Website

As the lead engineer at GenerationGenius, a prominent e-learning platform for school science in the US, I introduced new features to enhance the platform. Additionally, I developed a plan to systematically optimize and phase out legacy components of the WordPress site.

Senior WordPress Engineer for a Nonprofit Website (via Toptal)

• Migrated from an unsupported theme, patched vulnerabilities, and removed the website from blocklists, ensuring safe user interaction and upholding reputation.
• Revamped the donation process flow, resulting in a noticeable increase in donations for Carbon Offsets To Alleviate Poverty (COTAP).
• Optimized the site's performance to achieve faster load times, reduced bounce rates, and enhanced user engagement, amplifying the nonprofit's impact

Senior WordPress Engineer for a US Healthcare Education Company (via Toptal)

MRI Online partners with proven educators to create the best training experiences for radiologists in every stage of their careers. I worked with a team of more than eight developers and helped diagnose and fix performance issues, created API endpoints, and did customizations on the back end.

Oakworld (via Toptal)

Oakworld is a WooCommerce furniture store with 100,000+ products and tens of thousands of orders per year. While I worked with them, I helped them significantly improve the store's performance and introduced better practices to handle some of the background processes they had.

The Collective Rising (via Toptal)

The Collective Rising is a digital membership community that provides women with newfound access to discovery, recognition, and advancement opportunities.

• Developed an advanced and highly customized MemberPress workflow, implementing Gravity Flow and Gravity Forms.
• Customized the behavior of the Mailchimp add-on for GForms by using hooks.
• Implemented Zapier, Google Sheets, and MemberPress callbacks based on user actions.
• Integrated Gitlab CI to push changes automatically to production and development environments in WPEngine.

TECHNOLOGIES: MemberPress, WordPress, PHP, jQuery, SASS, Gulp, Gitlab, CI

SearchTreatment (via Toptal)

SearchTreatment is a digital search portal that offers access to behavioral health services supporting providers and partners in their initiation of referrals through the development of referral management.

• Compliance with HIPAA laws was enforced during the development process
• Extended Gravity Forms and Advanced Custom Fields functionality with hooks
• Conducted general maintenance, solved performance issues, and built new pages
• Created an integration with Gravity Forms and a SQL Server database located in a remote server

TECHNOLOGIES: WordPress, PHP, SQL Server, Gravity Forms, ACF

Sparketh (via Toptal)

Sparketh is a library of fun, online art video lessons for kids and teens 6 to 18-​year-olds. I helped them optimize their site, get rid of unnecessary plugins and custom code, and improve their security after several threads like carding attacks.

WordPress StackExchange Contributor

I've been an active contributor to the WordPress StackExchange, a forum where developers go to get answers on plugins, themes, and any problem related to WordPress. By providing helpful solutions to the community, I've become part of the top 2% contributors of the year.
2016 - 2020

Bachelor's Degree in Computer Science

European University in Madrid - Madrid, Spain


jQuery, WordPress API, Web3.js, Puppeteer, Backbone.js, Sage, BuddyPress, React, WooCommerce API


LearnPress, Etherscan, WP-CLI, Advanced Custom Fields (ACF), LearnDash, Divi Builder 3, WPML, Gutenberg Editor, Zapier, Jira


JavaScript, PHP, SCSS, Solidity, SQL, TypeScript




WordPress, WooCommerce, Ethereum, Blockchain, WordPress VIP


WP Engine


AngularJS, PHPUnit, Divi, Angular, Ionic, Laravel


WordPress Plugins, Elementor, Gravity Forms, Full-stack, Ethers.js, Membership Sites, MemberPress, Web Scraping, Malware Removal, WordPress Multisite, Beaver Builder, eCommerce, Contact Form 7, Visual Composer, Formidable, Content Marketing Platforms, Custom Themes, Computer Science, Software Analysis, Smart Contracts, Ethereum Smart Contracts, Google Ads

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