Naili is available for hire
Hire NailiNaili Concescu
Verified Expert in Engineering
JavaScript Developer
Medina, Al Madinah Province, Saudi Arabia
Toptal member since June 6, 2018
Bio
Naili is a full-stack PHP developer with 15+ years of experience developing a range of websites, including startup landing pages and complex projects. He develops WordPress sites, custom plugins, and WordPress-compatible features. Naili is technically skilled and adept at developing effective solutions and top-quality products.
Portfolio
Consignment Gallery
Shopify API, JavaScript, GraphQL, REST APIs, APIs, PHP, Shopping Carts...
Charles County Public Library
ADA Compliance, Accessibility Auditing, Web Accessibility...
Website Genii LLC
WordPress, PHP, Advanced Custom Fields (ACF), WordPress Multisite, JavaScript...
Experience
- PHP - 20 years
- JavaScript - 20 years
- WordPress API - 16 years
- jQuery UI - 16 years
- Payment APIs - 9 years
- Google Maps API - 3 years
- BuddyPress - 2 years
- WooCommerce - 1 year
Preferred Environment
Sequel Pro, Git, PhpStorm, OS X
The most amazing...
...project I've built is a web service for managing projects and teams built from scratch using modern techniques.
Work Experience
Web Developer
2026 - 2026
Consignment Gallery
- Integrated the Shopify API into an existing WordPress site to fetch and render live product data from the Shopify store.
- Implemented product synchronization logic so catalog changes in Shopify were reflected in WordPress product listings and detail views.
- Built custom WordPress product archive and single-product templates powered by Shopify-sourced product data.
- Developed cart functionality in WordPress, enabling users to add products locally before continuing the purchase flow.
- Connected the WordPress cart flow to Shopify Checkout, preserving a custom front end while using Shopify for transaction completion.
Technologies: Shopify API, JavaScript, GraphQL, REST APIs, APIs, PHP, Shopping Carts, Custom Plugins, WordPress Customization
Web Developer
2026 - 2026
Charles County Public Library
- Conducted a WCAG/ADA accessibility audit for a large WordPress public-library website, reviewing the homepage, shared templates, navigation patterns, and linked external platforms to define remediation scope.
- Identified accessibility issues through a combination of Lighthouse, and other automated tools, and manual WCAG review, including heading hierarchy, missing labels, focus visibility, contrast, and screen-reader usability problems.
- Remediated WCAG 2.2 AA/AAA issues after the audit, fixing color contrast, heading order, alt text, and other accessibility barriers across the site.
Technologies: ADA Compliance, Accessibility Auditing, Web Accessibility, Web Content Accessibility Guidelines (WCAG)
Experienced WordPress Developer
2024 - 2025
Website Genii LLC
- Delivered a WordPress Multisite membership platform with tiered subscription plans and centralized account administration for scout organizations.
- Built a custom transaction management system enabling unit leaders to track balances and bulk-process transactions across multiple member accounts.
- Implemented a custom authentication flow for registration and activation with secure token links and role‑based onboarding.
- Delivered a resource-sharing system enabling organizations to upload, categorize, and securely distribute documents with role-based access controls.
- Implemented interactive forms with centralized client- and server-side validation, improving submission accuracy and user experience.
- Built a Gulp and Webpack pipeline (Sass, Babel, Autoprefixer, sourcemaps, imagemin) to optimize assets, improve front‑end performance, and accelerate builds and deployments.
- Implemented an automated email notification system to trigger role-specific alerts for key site events and actions.
- Delivered a custom, responsive WordPress theme with a modular architecture to enable reusable components and maintainable layouts.
Technologies: WordPress, PHP, Advanced Custom Fields (ACF), WordPress Multisite, JavaScript, TypeScript, SCSS, Sass, Gravity Forms, Gulp, Webpack, WordPress Customization, WordPress API, jQuery, PhotoSwipe, Responsive Design, Git, WordPress Plugins, WordPress Themes, MySQL, CSS, HTML5, Web, Web Development, Figma
WordPress Developer
2024 - 2024
Pango
- Created a custom WordPress block theme tailored to client specifications.
- Converted Figma designs into a fully functional WordPress block theme.
- Developed multiple custom blocks using the WordPress Blocks API.
- Implemented mobile-responsive design to ensure seamless performance across devices.
- Provided solutions for complex design tasks using JavaScript to enhance user interaction and functionality.
Technologies: WordPress, PHP, Gutenberg Editor, Block API, Figma, WordPress API, Custom Themes, React, Gulp, NPM, Sass, SCSS, JavaScript, PHP 7, Responsive Layout, WordPress Plugins, WordPress Themes, CSS, HTML5, Advanced Custom Fields (ACF), WordPress Customization, Web, Web Development
WordPress Developer
2024 - 2024
KR Enterprises LLC, DBA Panda Copy
- Conducted routine site maintenance for an innovative SaaS platform to ensure optimal performance.
- Updated plugins to enhance functionality and security.
- Rectified site errors, maintaining a seamless user experience.
Technologies: WordPress, HTML, PHP, CSS, WordPress Plugins, WordPress Themes, JavaScript, HTML5, WordPress Customization, Web, Web Development
WordPress Developer
2022 - 2023
ClickThere
- Extended and customized an existing WordPress theme and plugins to improve site functionality and user experience.
- Developed a custom export report feature using PHP and WordPress APIs, allowing users to export data in CSV format based on specified criteria.
- Utilized version control systems like Git to manage code changes and maintain codebase integrity, which resulted in streamlined development processes and easier maintenance.
- Improved site stability and user experience by troubleshooting and resolving technical issues related to website functionality, performance, and security.
- Designed and developed a custom API using PHP and WordPress APIs to allow external requests to create new posts on the site. It resulted in increased automation and improved efficiency for content creation.
Technologies: WordPress, PHP, MySQL, WordPress Plugins, MemberPress, PHPOffice (formerly PHPExcel), CSV Export, IT Support, WordPress REST API, Advanced Custom Fields (ACF), APIs, WordPress Themes, JavaScript, CSS, WordPress Customization, Web, Web Development
Wordpress Developer
2021 - 2022
Teknicks
- Worked on an existing website built using Elementor.
- Applied design changes and fixed the layout bugs using Elementor solutions or custom code solutions.
- Implemented new custom features by creating custom plugins via the WordPress child theme following WordPress Codex standards.
Technologies: Advanced Custom Fields (ACF), WordPress, WordPress API, WordPress Plugins, WordPress Themes, Elementor, JavaScript, jQuery, Ajax, SCSS, PHP, CSS, WordPress Customization, Web, Web Development
Senior WordPress Developer
2021 - 2021
Website Genii
- Implemented a list of customizations on a real estate WordPress theme.
- Developed distance calculator form with multipoint options, place address autocomplete, and route distance, using Google APIs like Distance Matrix API, Geocoding API, and Routes API.
- Built a list of customizations on an existing auctions WordPress website.
- Collaborated with a theme built using the Genesis framework.
Technologies: PHP, WordPress, WordPress Plugins, WordPress Themes, JavaScript, SCSS, Git, APIs, Google Maps API, Google Geocoding API, NPM, Gulp, Google APIs, Ajax, WordPress API, MySQL, CSS, HTML5, Advanced Custom Fields (ACF), Sass, WordPress Customization, Web, Web Development
Back-end WordPress Developer
2019 - 2019
Jake and Company, LLC (via Toptal)
- Built a website using WordPress. A custom theme was created from the old non-WordPress site.
- Recreated old website features running on Kendo UI with modern jQuery techniques.
- Created a complex search interface with different filters and options.
Technologies: jQuery, JavaScript, PHP, Ajax, WordPress API, WordPress, WordPress Themes, WordPress Plugins, MySQL, CSS, HTML5, WordPress Customization, Web, Web Development
Back-end WordPress Developer
2018 - 2018
Jake and Company, LLC (via Toptal)
- Created a custom WP theme from provided HTML and CSS files.
- Created a custom plugin to collect third-party information via its custom API.
- Integrated required features into the back end and front end of the website.
- Integrated a complex search functionality using Solr.
- Combined custom theme fields using the WordPress custom fields API.
Technologies: Advanced Custom Fields (ACF), Third-party APIs, Git, NPM, Bootstrap, WordPress, Ajax, WordPress API, JavaScript, PHP, WordPress Themes, WordPress Plugins, MySQL, CSS, HTML5, WordPress Customization, Web Development
BuddyPress Developer
2018 - 2018
Zipline Digital
- Created a reusable BuddyPress theme. A custom multistep signup process was implemented.
- Used BuddyPress Codex and modern techniques to create a custom theme.
- Used SCSS, Gulp, Git, and NPM for project code management.
Technologies: NPM, Git, Gulp, SCSS, BuddyPress, WordPress, Ajax, jQuery UI, WordPress API, JavaScript, PHP, WordPress Themes, WordPress Plugins, MySQL, CSS, Web, Web Development
Senior Developer
2009 - 2018
ZamZamLab
- Built various websites using modern technologies, including WordPress CMS.
- Built a lot of custom WordPress plugins and themes using WordPress Codex.
- Implemented integrations with various APIs like Google Maps, Facebook, Twitter, and more.
- Implemented integrations of payment systems like PayPal and Authorize.Net.
- Built a social network website with different complex features.
Technologies: Linux Administration, Apache, Subversion (SVN), Git, WordPress, JavaScript, CSS, HTML, MySQL, PHP, Ajax, Google Geocoding API, Telegram Bot API, Google APIs, APIs, Payment APIs, Authorize.net, jQuery UI, WordPress API, WordPress Themes, WordPress Plugins, Web, Web Development, PayPal API, MySQLi, Facebook Login, LAMP Server, SSH
PHP Web Developer
2008 - 2009
Softreactor
- Built custom websites from scratch and maintained existing client sites using PHP, JavaScript, HTML, and CSS across a range of business projects.
- Developed a social networking platform with CodeIgniter, implementing core user features, custom back-end logic, and front-end interfaces.
- Delivered WordPress websites and customizations, including theme integration, content templates, plugin setup, and ongoing client updates.
Technologies: WordPress, JavaScript, CSS, HTML, MySQL, PHP, Ajax, Google Geocoding API, Google APIs, APIs, Payment APIs, jQuery UI, Web, Web Development, PayPal API, MySQLi, LAMP Server, SSH
PHP Web Developer
2006 - 2008
Acvanta
- Built custom websites from scratch and enhanced existing client projects using PHP, MySQL, JavaScript, HTML, CSS, and Ajax.
- Integrated payment gateways, including PayPal, Authorize.Net, and ClickBank, to support online payments and transaction workflows.
- Contributed to the development of a complex web-based page builder service with dynamic UI and custom back-end functionality.
- Developed web services for generating custom images, CAPTCHA codes, and PDF documents to support client platforms and tools.
- Implemented integrations with external APIs, including Google services and payment-related APIs, to extend site functionality.
Technologies: JavaScript, HTML, CSS, MySQL, PHP, Ajax, Google Geocoding API, Google APIs, APIs, Payment APIs, Authorize.net, jQuery UI, Web, Web Development, PayPal API, MySQLi, LAMP Server, SSH
Experience
Naama Jewelery
I developed a custom add-on for the WooCommerce Composite Products plugin using WooCommerce API. This add-on extended the product filters section with the addition of range sliders, providing users with a more intuitive and efficient means of browsing and filtering products.
Ricubai
Ricubai is a web service for managing project tasks and teams. I developed it from scratch and implemented various modern features, including an interactive messaging system and data editing without reloading the page. Implemented adaptive design.
Quickpersonnel
A web platform designed to connect employers with potential employees, built using WordPress and BuddyPress. I implemented a range of advanced features, including complex user profiles, auto-generated PDF CVs, advanced search with multiple filters, private user messaging, and group functionality. Additionally, I integrated 3rd-party services such as the Facebook API and Google Maps API, along with other custom-built features to support the platform’s functionality and scalability.
Barkle
A social networking platform offering a wide range of services for both community members and product vendors. The project was built using WordPress and BuddyPress, with several advanced social networking features implemented, including a Facebook-style profile wall, tweet-like posts, follower functionality, and coupon deal systems. I also developed multiple custom plugins, created a fully custom theme, and implemented various complex features tailored to the platform’s specific requirements.
Scordit Social Network
Scordit is a social product and wishlist sharing website. I enabled users to create their own wish lists and share them with others to rate items and win prizes. I used CodeIgniter to build a complex search engine and implemented various modern features with jQuery, JavaScript, and CSS.
Scuba-explorers Diving Club
A WordPress website, redesigned and integrated with a custom plugin which uses Google Maps API for browsing diving destinations.
I built an admin feature to create new flags on the map using latitude and longitude, and to add a description that will be displayed in a pop-up window.
I built an admin feature to create new flags on the map using latitude and longitude, and to add a description that will be displayed in a pop-up window.
AeriaJet
I developed a custom WordPress website from scratch by converting static HTML templates into a bespoke theme, implementing jQuery-based slider and gallery components, and building custom form functionality for contact and reservation workflows.
Advanced Home Energy
I developed a fully custom WordPress theme based on the provided HTML templates, ensuring clean structure, responsiveness, and performance optimization. In addition, I integrated and customized a blog section to match the overall design and functionality requirements. I also implemented a jQuery-powered slide gallery, lightbox functionality, and various interactive visual effects to enhance the user experience and engagement.
Artruby
http://artruby.com/Artruby is a daily bulletin with one constantly updated front page. The website was built from scratch using WordPress. I developed a custom theme from HTML templates and custom WordPress plugins. I implemented a custom review and rating system as well as a gallery.
Comboclash
http://comboclash.com/A review website for video game fans. I built it using WordPress, created a custom theme from HTML templates, and implemented custom comment forms, various custom widgets, a slider, a custom registration form, and a voting system. I also integrated a Facebook share box.
Education
2022 - 2025
Bachelor's Degree in Computer Applications
Amity University - Noida, India
Skills
Libraries/APIs
BuddyPress, WordPress API, jQuery UI, jQuery, Google Geocoding API, Google APIs, PHPOffice (formerly PHPExcel), WordPress REST API, Shopify API, Google Maps API, Facebook Login, PayPal API, Authorize.net, Telegram Bot API, ClickBank APIs, Block API, React, Facebook API, REST APIs
Tools
Advanced Custom Fields (ACF), Figma, Git, Subversion (SVN), WP-CLI, PhpStorm, Sequel Pro, Apache, NPM, Gulp, GitLab, Bitbucket, Gutenberg Editor, Webpack
Languages
HTML5, PHP, JavaScript, CSS, HTML, SCSS, Sass, PHP 7, TypeScript, Python, GraphQL
Frameworks
.NET, Bootstrap
Platforms
WooCommerce, WordPress, Web, OS X, Blockchain
Storage
MySQL, MySQLi, LAMP Server, WP Engine, Database Management Systems (DBMS)
Paradigms
Responsive Layout, Human-computer Interaction (HCI), Human Interface Design, Object-oriented Programming (OOP)
Other
Third-party APIs, WordPress Plugins, WordPress Themes, APIs, Elementor, Ajax, CSV Export, Web Development, Payment APIs, Linux Administration, SSH, MemberPress, IT Support, Data Products, Composite, Custom Themes, WordPress Multisite, Gravity Forms, WordPress Customization, PhotoSwipe, Responsive Design, Custom WordPress, WordPress Theme Customization, Software Development, Business Communication, Information Technology, Operating Systems, Software Engineering, Environmental Science, Computational Statistics, Networks, IT Security, Cloud Computing, IT Project Management, Data Warehouse Mining, Fundamentals of E-Commerce, Artificial Intelligence (AI), Enterprise Resource Planning (ERP), ADA Compliance, Accessibility Auditing, Web Accessibility, Web Content Accessibility Guidelines (WCAG), Shopping Carts, Custom Plugins
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