André is available for hire
Hire AndréAndré Abdalla
Verified Expert in Engineering
WordPress Developer
Três Rios - State of Rio de Janeiro, Brazil
Toptal member since August 9, 2022
Bio
A developer for more than 15 years, André has overseen dozens of websites and customized systems. He knows how to create a complete WordPress project, from the design in Photoshop and the front-end development to themes and plugin coding. André also has substantial experience with databases.
Portfolio
Spectruss LLC
WordPress, PSD to WordPress, WordPress Themes, PHP, CSS, WooCommerce...
Rural Federal University of Rio de Janeiro
WordPress, JavaScript, PHP, CSS, WordPress Themes, WordPress Plugins...
MegaCapital Hawaii Corp.
WordPress, Elementor, PHP, WordPress Themes, WordPress Plugins, WordPress SEO...
Experience
- PHP - 15 years
- Adobe Photoshop - 15 years
- MySQL - 15 years
- PSD to WordPress - 10 years
- WordPress - 10 years
- WordPress Themes - 10 years
- PostgreSQL - 10 years
- jQuery - 8 years
Preferred Environment
Slack, WhatsApp, Gmail, Visual Studio Code (VS Code), GitHub
The most amazing...
...thing I've developed is a software-as-a-service with thousands of active users that uses data mining techniques and integrates different databases and APIs.
Work Experience
WordPress Developer
2024 - PRESENT
Spectruss LLC
- Developed beautiful and functional projects for various clients of one of the largest marketing agencies in Tennessee.
- Worked with a great team of stakeholders using Slack and ClickUp, dealing with high-level decisions, technical issues, and hosting settings.
- Created pixel-perfect, full-responsive website projects from Photoshop designs.
Technologies: WordPress, PSD to WordPress, WordPress Themes, PHP, CSS, WooCommerce, Squarespace, Wix, Webhooks, Landing Pages, Digital Marketing, Copywriting, Ad Campaigns, UI Design, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
Full-stack Developer
2010 - PRESENT
Rural Federal University of Rio de Janeiro
- Oversaw dozens of PHP systems and WordPress projects. These systems are usually developed in PHP, CSS, and JavaScript using MySQL or PostgreSQL databases.
- Worked on information integration from different databases and managing students' documents sent by upload to an online registration system with thousands of users.
- Built WordPress plugins to use in our university projects, integrated the projects with external databases, and provided additional options for project themes.
Technologies: WordPress, JavaScript, PHP, CSS, WordPress Themes, WordPress Plugins, WordPress Design, WordPress Theme Design, HTML to WordPress, CDR to WordPress, API Integration, GitHub, HTML, UI Design, Responsive Design, Advanced Custom Fields (ACF), Object-oriented Programming (OOP), Full-stack, HTML5, User Interface (UI), Websites, SQL, Gutenberg Editor, CSS3, User Experience (UX), Visual Design, WordPress SEO, WordPress Optimization, Gravity Forms, Yoast SEO, Plugin Customization, REST APIs, Webhooks, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
Senior WordPress Developer
2025 - 2025
MegaCapital Hawaii Corp.
- Developed a visually refined and fully responsive website that reflects the luxury brand identity while delivering smooth navigation and fast performance across all devices.
- Built custom WordPress features to manage property listings efficiently, allowing flexible content updates and supporting the company’s long-term scalability goals.
- Collaborated with design and marketing teams to translate premium layouts into functional pages, helping improve lead generation and property presentation.
Technologies: WordPress, Elementor, PHP, WordPress Themes, WordPress Plugins, WordPress SEO, HTML5, CSS, Landing Pages, Web Design.HTML, Web Design.CSS, UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
Front-end Developer
2024 - 2025
Vesta Housing Inc. DBA Aro Homes
- Converted Figma designs into a pixel-perfect WordPress theme.
- Integrated 3D house tour animations into a WordPress theme.
- Created a scrolling animation video on the WordPress theme.
Technologies: WordPress, UI Design, WordPress Themes, WordPress Design, HTML, CSS, JavaScript, PHP, Videos, Figma, Figma to WordPress, REST APIs, Salesforce, Digital Marketing, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
WordPress Developer
2024 - 2024
Towne Nursing
- Created a new visual design according to the client's objectives, focusing on high-conversion pages.
- Coded a WordPress theme from scratch, with pixel-perfect elements, using WordPress best practices, with good usability and 100% responsiveness.
- Created several templates for different pages according to the client's needs.
Technologies: WordPress, WordPress Themes, Websites, SEO Tools, Gutenberg Editor, Figma to WordPress, CSS3, User Experience (UX), Visual Design, WordPress SEO, WordPress Optimization, Yoast SEO, Responsive Web Design (RWD), Landing Pages, Copywriting, UI Design, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
WordPress Expert
2023 - 2024
Schreiber Foods
- Built a new, fully responsive, and fast-loading company website in WordPress based on a version of an existing website previously built in Umbraco.
- Discovered and resolved several bugs in the company's existing websites.
- Created a plugin to output PDFs dynamically from the content of WordPress posts.
- Conducted WordPress training for the company's communications team and created tutorials and documentation for the client's future use.
Technologies: WordPress, WordPress Themes, Adobe Experience Design (XD), Responsive Design, CSS, JavaScript, WordPress Plugins, Websites, SEO Tools, Gutenberg Editor, CSS3, WordPress SEO, WordPress Optimization, Responsive Web Design (RWD), Plugin Customization, REST APIs, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
WordPress Developer
2023 - 2024
Proven Marketing Now
- Created dozens of websites for the agency's clients, using WordPress best practices and focusing on high-converting, responsive, and fast-loading pages while improving performance in existing projects.
- Collaborated with different teams on various projects, using communication tools like Slack and project management tools like ClickUp.
- Developed a landing page with a high conversion of users into customers, which was easy to install and configure on WordPress and is being used in different projects within the agency.
Technologies: WordPress, PHP, CSS, WordPress Themes, WordPress Plugins, JavaScript, DNS, APIs, Responsive Design, Figma, Adobe Photoshop, ClickUp, Search Engine Optimization (SEO), Websites, SQL, WPBakery, Elementor, SEO Tools, Gutenberg Editor, Figma to WordPress, CSS3, User Experience (UX), Visual Design, WooCommerce, WordPress SEO, WordPress Optimization, Gravity Forms, Yoast SEO, Responsive Web Design (RWD), Plugin Customization, Landing Pages, Digital Marketing, Copywriting, UI Design, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
WordPress Full-stack Engineer
2023 - 2023
Fly Marketing Ltd
- Created a page builder using Advanced Custom Fields, containing several customized options for each kind of content.
- Developed pixel-perfect and responsive WordPress themes from Figma designs.
- Worked with a distributed team worldwide, in different countries and time zones.
Technologies: WordPress, PHP, JavaScript, APIs, API Integration, Object-oriented Programming (OOP), User Interface (UI), Full-stack, Advanced Custom Fields (ACF), CSS, HTML5, Websites, SEO Tools, Figma to WordPress, Figma, CSS3, Gravity Forms, Yoast SEO, Responsive Web Design (RWD), Plugin Customization, Landing Pages, Digital Marketing, Copywriting, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
Senior WordPress Developer
2023 - 2023
Razzball LLC
- Designed a brand new agnostic home page for the client, totally responsive, with new UI/UX, using grids, flexboxes, and other modern approaches.
- Created a new home page template for a multisite WordPress, with multiple settings to modify its behavior.
- Removed the Elementor plugin from the client's website, which was causing a lot of theme breaks.
Technologies: WordPress, WordPress Design, WordPress Themes, Design, Figma, Advanced Custom Fields (ACF), Object-oriented Programming (OOP), Full-stack, HTML5, User Interface (UI), Search Engine Optimization (SEO), Websites, Gutenberg Editor, CSS3, User Experience (UX), Visual Design, Responsive Web Design (RWD), Plugin Customization, Webhooks, Salesforce, UI Design, Web Design.HTML, Web Design.CSS, UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
WordPress Developer
2022 - 2023
Speedy Storm Doors
- Crafted the design of a brand-new homepage for the client. The new homepage is fully responsive and has a new UI/UX based on the client's visual identity.
- Adjusted WooCommerce and plugins according to client needs.
- Developed a child theme with several new templates, such as archives, pages, and posts.
Technologies: WordPress, WooCommerce, Advanced Custom Fields (ACF), Object-oriented Programming (OOP), Full-stack, HTML5, User Interface (UI), Search Engine Optimization (SEO), Websites, Gutenberg Editor, CSS3, User Experience (UX), Visual Design, Yoast SEO, Plugin Customization, UI Design, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design
WordPress Expert
2022 - 2023
Mercatus Center at George Mason University - Main
- Worked on migrating several projects to new WordPress and PHP versions, testing all aspects of each project on a staging environment before committing to production versions.
- Adjusted and fixed themes for responsiveness and UI improvements. Also replaced deprecated functions because of PHP's new version.
- Adjusted the robots.txt to organize the access from search engine bots better.
- Created new rules at Cloudflare according to the project's needs.
Technologies: WordPress, PHP, JavaScript, CSS, HTML, Twig, MySQL, Advanced Custom Fields (ACF), Websites, Elementor, Gravity Forms, Webhooks, Web Design.HTML, Web Design.CSS, UI Design.User Interface (UI)
Full-stack Developer | Contracted Freelancer
2018 - 2023
Alertas Diário Oficial
- Developed software as a service (SaaS) to monitor a Brazilian official magazine, Diário Oficial da União, which has almost 40,000 registered users.
- Created all the landing pages, WordPress blogs, user dashboards, and integrations with APIs.
- Defined the system architecture. Created tables and relationships in MySQL and PostgreSQL databases.
Technologies: PHP, MySQL, PostgreSQL, APIs, Data Mining, Amazon Simple Email Service (SES), Google Cloud, SaaS, WordPress Themes, WordPress Plugins, WordPress Design, WordPress Theme Design, HTML to WordPress, CDR to WordPress, API Integration, GitHub, HTML, UI Design, CSS, Responsive Design, Object-oriented Programming (OOP), Full-stack, HTML5, User Interface (UI), Tailwind CSS, Search Engine Optimization (SEO), Stripe, Amazon Web Services (AWS), Multiple Listing Services (MLS), Websites, SQL, SEO Tools, CSS3, User Experience (UX), Webhooks, Salesforce, Landing Pages, Digital Marketing, Copywriting, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI)
WordPress Developer
2022 - 2022
Ecosphere Ventures, LLC
- Fixed several bugs on WordPress installation and made configurations to launch the project.
- Adjusted the stylesheet and responsiveness related to Elementor-created pages.
- Created a new page template to display the client's team profile pictures and other information for a venture capital website.
Technologies: WordPress, WordPress Themes, JavaScript, Elementor, HTML, CSS, Responsive Design, Full-stack, Websites, Figma to WordPress, Landing Pages, UI Design, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX)
WordPress Developer
2022 - 2022
Safety Scan USA, Inc.
- Adjusted the theme CSS to resolve a bug related to the responsiveness of the client's website.
- Reorganized the information on the navigation parts.
- Updated the information and images of the client's products.
Technologies: WordPress, WordPress Themes, WordPress Theme Design, Full-stack, Websites, Figma to WordPress, Web Design.HTML, Web Design.CSS
Full-stack Developer | Freelance
2019 - 2021
INCA Voluntário
- Developed a WordPress website and an enterprise resource planning (ERP) to control donations from people across Brazil and South America.
- Integrated the website and the ERP with the PayPal API to manage the users' information and donations.
- Integrated the ERP with a marketing and autoresponder tool, helping the marketing flow with different rules according to users' profiles.
Technologies: PHP, WordPress, MySQL, JavaScript, jQuery, Bulma, WordPress Themes, WordPress Design, WordPress Theme Design, HTML to WordPress, CDR to WordPress, HTML, Nonprofits, UI Design, CSS, Responsive Design, Full-stack, User Interface (UI), Tailwind CSS, Stripe, Websites, SQL, CSS3, User Experience (UX), Visual Design, WooCommerce, Salesforce, Web Design.CSS
Full-stack Developer
2002 - 2010
DiploMaster
- Created SaaS to manage the impressions of students' documents from Brazilian public schools.
- Integrated the SaaS with external applications used by the schools.
- Participated in marketing and selling processes while working on full-stack tasks.
Technologies: PHP, MySQL, CorelDRAW, Ajax, JavaScript, jQuery, UI Design, Full-stack, User Interface (UI), Websites, SQL, User Experience (UX), Visual Design, Copywriting
Experience
Schreiber Foods Website Migration
https://schreiberfoods.com/I created a fully responsive and fast-loading website for the company in WordPress based on a version of the website previously built in Umbraco. I also trained the company's communications team on WordPress and developed tutorials and documentation for the client's later use.
Some other projects worked on for the client:
https://www.schreiberfoodsventures.com/
https://www.sdl.dev/
Some other projects worked on for the client:
https://www.schreiberfoodsventures.com/
https://www.sdl.dev/
eCommerce for a Door Sales Company
https://www.speedystormdoors.comA new homepage and improvements on the client's project. I was tasked with the design of the latest WordPress theme, including the home page, archive templates, pages, and posts. I also worked on WooCommerce and plugin adjustments.
Três Rios Institute | Rural Federal University of Rio de Janeiro
A website for an institute of a Brazilian university. In this project, I created a theme and plugins to improve the management of the information displayed on the website. I used WordPress to create custom post types, custom fields, and different page models depending on the content category. Additionally, I dealt with a lot of information from administrative systems external to the website.
Fantasy Sports Homepage
https://www.razzball.comI was the full-stack developer for a new homepage containing content for several WordPress multisite blogs. I created the new homepage design and all the WordPress templates and plugins needed for that project.
Proven Marketing Now | Custom, Fully Responsive WordPress Websites and Plugins
https://pmnow.biz/Various brand new WordPress themes that I built from scratch—from design to implementation—using WordPress best practices and security implementations. The following websites have high-conversion landing pages on a fully responsive layout:
• comfortspecialistllc.com for Comfort Specialist LLC
• allennorrishvac.com for Allen Norris HVAC
• asknextplumbing.com for Next Plumbing & Drain
• comfortspecialistllc.com for Comfort Specialist LLC
• allennorrishvac.com for Allen Norris HVAC
• asknextplumbing.com for Next Plumbing & Drain
WordPress Website Rebuild
https://townenursing.com/I created a new visual design and then coded a WordPress theme from scratch, using WordPress best practices, good usability, and focusing on maximizing visitor-to-customer conversions. Several templates were created for different pages according to your needs. All images have been compressed to improve performance and project loading.
Education
2015 - 2018
Master's Degree in Computer Science
Juiz de Fora Federal University - Juiz de Fora, Brazil
2011 - 2012
Master's Degree in IT Management (MBA)
Juiz de Fora Federal University - Juiz de Fora, Brazil
2004 - 2009
Bachelor's Degree in Computer Science
Juiz de Fora Federal University - Juiz de Fora, Brazil
Skills
Libraries/APIs
jQuery, REST APIs, Stripe
Tools
Adobe Photoshop, CorelDRAW, Advanced Custom Fields (ACF), Gutenberg Editor, GitHub, Figma, WPBakery, Amazon Simple Email Service (SES), Adobe Experience Design (XD), Multiple Listing Services (MLS), Wix
Languages
PHP, CSS, HTML, HTML5, SQL, CSS3, JavaScript
Paradigms
UI Design, Object-oriented Programming (OOP), Visual Design, Responsive Web Design (RWD), Search Engine Optimization (SEO), ITIL, PMBOK
Platforms
WordPress, WordPress Theme Design, WooCommerce, Amazon Web Services (AWS), Salesforce
Storage
MySQL, PostgreSQL, Google Cloud
Frameworks
Bulma, Twig, COBIT, Tailwind CSS
Other
SaaS, WordPress Themes, WordPress Plugins, PSD to WordPress, WordPress Design, HTML to WordPress, CDR to WordPress, Responsive Design, Full-stack, GoDaddy, Websites, Figma to WordPress, User Experience (UX), Plugin Customization, Webhooks, Landing Pages, Web Design.HTML, Web Design.CSS, UX Design.User Experience (UX), UI Design.User Interface (UI), Web Design.Web Development.JavaScript, Web Design.Web Development.Front-end Design, APIs, API Integration, Nonprofits, Elementor, User Interface (UI), SEO Tools, WordPress SEO, WordPress Optimization, Gravity Forms, Yoast SEO, Software Engineering, Data Mining, Recommendation Systems, Cloud Computing, Ajax, Design, DNS, ClickUp, Videos, Squarespace, Digital Marketing, Copywriting, Ad Campaigns
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