Alan Heric, Developer in Zagreb, Croatia
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Alan Heric

Verified Expert  in Engineering

WordPress Developer

Location
Zagreb, Croatia
Toptal Member Since
March 26, 2014

Alan is a talented developer with a proven ability to develop scalable, efficient, and bug-free web solutions focused on optimizing site performance, ensuring their security, and keeping them up to date with the latest software and plugin updates. He is technically skilled, passionate about his work, and goal-oriented.

Web DevelopmentUser Interface (UI)WordPress DesignUser Experience (UX)SecurityAjaxWordPress ThemesWordPress PluginsSite Speed OptimizationPayPalHTML to WordPressOpenAI GPT-4 APIPHPJavaScriptMacOSKlaviyo APIWeb Map Services (WMS)

Portfolio

Carta
HTML, CSS, JavaScript, WordPress, WordPress Themes, Pixel Perfect...
MIT (Jeff Scott)
WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3...
Code to the Future
Search Engine Optimization (SEO), WordPress, JavaScript, WordPress API, jQuery...

Experience

Pixel Perfect - 10 yearsJavaScript - 10 yearsPHP - 10 yearsWordPress - 7 yearsSearch Engine Optimization (SEO) - 7 yearsWordPress API - 6 yearsjQuery - 6 yearsPHP 7 - 3 years

Availability

Part-time

Preferred Environment

Git, Sketch, Adobe Experience Design (XD), Adobe Photoshop, PhpStorm, OS X, Figma, PHP, SCSS, JavaScript

The most amazing...

...solution I've built is a customized responsive CMS based on Bootstrap and WordPress allowing for manipulation of article positions, colors, fonts, and visuals.

Work Experience

WordPress Developer

2019 - 2023
Carta
  • Developed new WordPress pixel-perfect themes from scratch based on provided Figma designs.
  • Developed multiple custom plugins for WordPress, including Marketo integration.
  • Helped move the site to custom hosting and implement custom scripts for static exports.
Technologies: HTML, CSS, JavaScript, WordPress, WordPress Themes, Pixel Perfect, Landing Pages, Responsive Coding, CSS3 Animation, Mobile First, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, Elementor, WCAG 2, Accessibility, WP All Import, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Developer

2019 - 2020
MIT (Jeff Scott)
  • Created a custom WordPress theme based on provided designs.
  • Added custom back-end fields for theme management.
  • Created custom page templates from supplied design files.
  • Custom image slider CSS modifications and behavior.
  • Created CSS rules for a responsive layout and pixel-perfect performance.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, Content Management Systems (CMS), Mobile First, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, WCAG 2, Accessibility, WP All Import, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Developer

2019 - 2019
Code to the Future
  • Created a custom responsive theme based on Sketch designs.
  • Added custom back-end fields for theme management.
  • Integrated custom sitemap sections, including custom CSS and JavaScript.
  • Utilized Foundation 6 as a framework for the entire theme. Each section of the web page can be edited from the back end.
Technologies: Search Engine Optimization (SEO), WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, ZURB Foundation, HTML, Content Management Systems (CMS), Mobile First, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, WCAG 2, Accessibility, WP All Import, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, Marketplaces, PayPal, WordPress Plugins

WordPress Expert

2018 - 2018
GLO Science (via Toptal)
  • Built different custom landing pages.
  • Implemented custom layout and user experience for each page.
  • Developed product pages and implemented designs.
  • Created custom post types for different segments of the web page.
  • Implemented and configured BBForum.
  • Developed custom sections based on user roles.
  • Implemented and configured social login.
  • Implemented and configured a download monitor.
  • Customized the Enfold theme and expanded its features.
Technologies: JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Interface (UI), WordPress Design, WCAG 2, Accessibility, WP All Import, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

Lead WordPress Engineer

2017 - 2018
Stephanie Kurpis (via Toptal)
  • Created a custom social media login plugin.
  • Developed the ability to link multiple social logins within WordPress user management.
  • Integrated custom Google Maps for picking up client locations.
  • Implemented a custom "wizard" process for new users after signing up.
  • Built a custom theme based on Sketch designs.
  • Implemented Ajax saving for each "wizard" step.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, HTML, Content Management Systems (CMS), Mobile First, Appointment Booking, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, Accessibility, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

Freelance WordPress Blog Manager

2017 - 2017
SPOILS Media (via Toptal)
  • Improved site speed.
  • Created custom page templates from supplied design files.
  • Integrated Klaviyo API with WordPress.
  • Created and integrated the referral system with Klaviyo and WordPress.
  • Integrated social login with WordPress users and Klaviyo API.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, HTML, Klaviyo, Content Management Systems (CMS), Mobile First, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, Accessibility, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, PayPal, WordPress Plugins

Developer

2017 - 2017
Notio (via Toptal)
  • Created WordPress theme from supplied PSD files.
  • Implemented desired CSS/jQuery animations.
  • Integrated custom fields.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, HTML, Content Management Systems (CMS), Mobile First, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, Accessibility, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

Senior WordPress Developer

2017 - 2017
Rebekah R Jones (via Toptal)
  • Fixed a theme issue.
  • Improved site speed.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Content Management Systems (CMS), Mobile First, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, Accessibility, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

Front-end Developer

2017 - 2017
TruNorth Management, LLC (via Toptal)
  • Created custom API endpoints in Laraval to manage Shopify hooks.
  • Customized a Shopify theme, API, and cart/checkout process.
  • Customized a WordPress theme.
Technologies: Search Engine Optimization (SEO), WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Laravel, Shopify, Content Management Systems (CMS), Payment APIs, Stripe API, Stripe Payments, Mobile First, Appointment Booking, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, Accessibility, SEO Tools, Responsive, User Experience (UX), APIs, eCommerce, Security, API Integration, Marketplaces, PayPal, Stripe, WordPress Plugins

Full-stack Developer

2017 - 2017
Javelin HR (via Toptal)
  • Created a custom integration from AWS SQL to WordPress.
  • Built a custom user back-end and front-end.
  • Developed SQL queries based on user email to fetch data and display it on the site.
  • Created different actions for when the user registers on the site.
  • Built custom login/user pages.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, SQL, Content Management Systems (CMS), Mobile First, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, Accessibility, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Engineer

2015 - 2016
Brian Orvek (via Toptal)
  • Created a wp-cli script for parsing large XML files and then interacted with JW player API to upload the video files and then fill in the existing post with embedded videos.
  • Built a plugin for a breaking news option.
  • Developed a plugin for custom template insertion and creation.
  • Created a plugin displaying tags under post content.
  • Added support for different plugin depending on user roles.
  • Created new user roles and rights assignment.
  • Built custom pages for users and custom user type.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, WP-CLI, Ajax, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Interface (UI), WordPress Design, SEO Tools, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

Full-stack WordPress Designer and Developer

2015 - 2016
Solutions Journalism Network (via Toptal)
  • Created a custom WordPress theme from supplied PSD design files.
  • Implemented the forum using bbPress.
  • Implemented a user area using Users Ultra.
  • Made custom changes to the user area and user interactions.
  • Implemented custom post types for back-end and front-end.
  • Created custom back-end options to manage theme options and the page's look and feel.
Technologies: Search Engine Optimization (SEO), WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Ajax, Content Management Systems (CMS), Mobile First, Appointment Booking, Site Speed Optimization, User Interface (UI), WordPress Design, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Developer

2015 - 2015
GTE (via Toptal)
  • Customized themes based in provided design changes.
  • Created custom search dropdown elements with Ajax.
  • Handled WMPL integration and configuration.
  • Integrated custom fields.
  • Implemented custom search options.
  • Implemented custom breadcrumbs.
Technologies: WordPress, JavaScript, WordPress API, PHP, CSS, HTML5, CSS3, PHP 7, Content Management Systems (CMS), Mobile First, Site Speed Optimization, WordPress Design, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Theme Developer

2015 - 2015
New Matter Design (via Toptal)
  • Created a WordPress theme from a supplied design in Sketch.
  • Created HTML, CSS, and JavaScript files from a specified design made in Sketch.
  • Implemented the design to be pixel perfect, CSS3 compliant, and HTML5 compliant.
  • Made custom changes to Bootstrap and custom responsive changes.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Bootstrap, Content Management Systems (CMS), Mobile First, Site Speed Optimization, WordPress Design, Responsive, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

President

2015 - 2015
TasteBay.com (via Toptal)
  • Created a WordPress theme based on supplied HTML and PDF files.
  • Expanded WooCommerce with custom fields and custom post types.
  • Implemented custom search for WooCommerce.
  • Implemented custom user profile fields.
  • Implemented social logins.
  • Implemented Ajax for displaying search results.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Ajax, WooCommerce, HTML, Content Management Systems (CMS), Booking Systems, Mobile First, Site Speed Optimization, WordPress Design, Responsive, User Experience (UX), APIs, eCommerce, Security, API Integration, Marketplaces, PayPal, Stripe, WordPress Plugins

WordPress, JavaScript, and Microdata Expert

2015 - 2015
Think Basis Inc. (via Toptal)
  • Created WordPress themes on provided HTML files.
  • Implemented six different custom post types for easier back-end handling of site content.
  • Implemented custom search options.
  • Handled microdata implementation based on schema.org.
  • Optimized page load speeds.
  • Implemented custom fields for different post types.
Technologies: Search Engine Optimization (SEO), WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Content Management Systems (CMS), Booking Systems, Mobile First, Appointment Booking, SMS Gateways, Site Speed Optimization, WordPress Design, Enfold, Responsive, User Experience (UX), APIs, eCommerce, Security, API Integration, PayPal, Stripe, WordPress Plugins

WordPress Developer

2015 - 2015
TangoSquared (via Toptal)
  • Created WordPress themes from supplied PSD fields.
  • Created a responsive site based on Bootstrap.
  • Created custom jQuery functions for tab behaviors.
  • Implemented Gravity Forms.
  • Implemented custom post types and fields.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Bootstrap, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Developer

2015 - 2015
Goodbuy Shopping Tours (via Toptal)
  • Customized a theme for user needs.
  • Implemented newsletter options.
  • Implemented a registration form with specific fields and needs.
  • Implemented new CSS changes to the look and feel of the current theme.
  • Handled server HTTPS configuration and setup to support Stripe payments.
Technologies: WordPress, JavaScript, WordPress API, PHP, CSS, HTML5, CSS3, PHP 7, Adobe Photoshop, Content Management Systems (CMS), Booking Systems, Mobile First, Appointment Booking, Site Speed Optimization, User Experience (UX), APIs, eCommerce, Security, API Integration, Marketplaces, WordPress Plugins

WordPress Developer

2014 - 2015
Hub Culture (via Toptal)
  • Created multiple WordPress sites and themes.
  • Developed Amazon hosting solutions and bug fixes.
  • Created custom WordPress themes based on Bootstrap.
  • Customized existing themes.
  • Implemented customized post types.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Bootstrap, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress/WooCommerce Developer

2014 - 2015
Healthy Hemp Oil (via Toptal)
  • Handled WooCommerce integration and template customization.
  • Handled custom theme development.
  • Optimized WordPress pages.
  • Customized search functionality and implemented extra features.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, WooCommerce, Content Management Systems (CMS), Mobile First, Appointment Booking, Site Speed Optimization, User Experience (UX), APIs, eCommerce, Security, API Integration, Marketplaces, PayPal, Stripe, WordPress Plugins

Software Developer

2008 - 2015
AVC
  • Finished over 100 projects based on AMX technologies.
  • Managed projects.
  • Implemented IPTV solutions.
  • Created live streaming and video conferencing solutions.
  • Handled system integration and solution finding.
Technologies: Search Engine Optimization (SEO), JavaScript, WordPress API, PHP, CSS, HTML5, CSS3, PHP 7, AutoCAD, BSS, AMX, Content Management Systems (CMS), Mobile First, User Experience (UX), APIs, Security, API Integration

Web Developer

2002 - 2015
Freelance
  • Created multiple websites based on WordPress.
  • Developed responsive designs based on Bootstrap.
  • Developed WordPress themes.
  • Created WordPress plugins and widgets.
  • Handled Joomla! to WordPress transitions.
  • Built a custom CMS in PHP featuring a web shop.
Technologies: Search Engine Optimization (SEO), WordPress, JavaScript, WordPress API, PHP, CSS, HTML5, CSS3, PHP 7, MySQL, Bootstrap, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Experience (UX), APIs, eCommerce, Security, API Integration, OpenAI GPT-4 API, Marketplaces, PayPal, Stripe, WordPress Plugins

WordPress WP eCommerce Consultant

2014 - 2014
NightChannels (via Toptal)
  • Engaged in SEO optimization and consulting.
  • Designed custom pages using an active theme.
  • Implemented new CSS changes.
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Developer

2014 - 2014
MyThemeShop (via Toptal)
  • Created a custom social sharing plugin.
  • Developed sites to be WordPress MU compatible.
  • Implemented a dashboard to manage custom options.
  • Used various social sharing APIs (Facebook, Google+, Twitter, VKontakte, etc.).
  • Implemented custom display of icons on hover over post images.
  • Defined custom position in plugin settings (floating, fixed, before content, after content).
Technologies: WordPress, JavaScript, WordPress API, jQuery, PHP, CSS, HTML5, CSS3, PHP 7, VKontakte API, Twitter API, Google+ API, Facebook API, Content Management Systems (CMS), Mobile First, Appointment Booking, Site Speed Optimization, User Experience (UX), APIs, eCommerce, Security, API Integration, PayPal, WordPress Plugins

WordPress Developer

2014 - 2014
Adapt Partners (via Toptal)
  • Created an APC plugin.
  • Implemented new CSS changes.
  • Handled theme customization.
  • Created a new breadcrumb code.
  • Created new page navigation code.
Technologies: WordPress, CSS, HTML5, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

WordPress Developer

2014 - 2014
RiessGroup (via Toptal)
  • Handled CSS changes.
  • Implemented changes to custom post types.
  • Created a new navigation bar.
  • Fixed mobile and general layouts.
  • Implemented a custom avatar for existing custom post authors.
Technologies: WordPress, CSS, HTML5, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Experience (UX), APIs, Security, API Integration, WordPress Plugins

Web Developer

2007 - 2008
24sata Digital
  • Maintained website quality.
  • Managed a new project.
  • Produced web design and concepts for mobile devices.
  • Implemented new technologies into the existing system.
  • Worked on a project for expanding and load balancing an existing system to meet new needs.
Technologies: PHP, HTML5, CSS3, Facebook API, Content Management Systems (CMS), Mobile First, Site Speed Optimization, User Experience (UX), APIs, Security, API Integration

Multimedia Content Producer

2005 - 2008
Vecernji List
  • Recorded and edited video for on demand material.
  • Built a custom CMS system for content management and user submitted material.
  • Integrated Facebook API into existing web pages, including login/share/like features.
  • Created live streaming solutions for mobile and web platforms, including both software and hardware solutions for Windows Media Center and RealMedia Server.
Technologies: PHP, HTML5, Edius, SQL, Web Map Services (WMS), Content Management Systems (CMS), User Experience (UX), APIs, API Integration

DuList.hr

https://www.dulist.hr
A web page for the DuList newspaper. It is fully responsive and includes a custom CMS for sorting and configuring every page and a drag-and-drop feature for CMS options to news orders on the front page and in widgets.

Varionica Craft Brewery

https://varionica.com
Created a custom theme for WordPress based on Foundation. I implemented WooCommerce and created a custom layout for it. I made modifications to the cart page, products page, and single product pages. The theme is entirely customizable by the end user from the back end. I also implemented SEO best practices and site speed optimization.

Syskit

https://www.syskit.com/
WordPress theme maintenance and development. I worked on the custom plugin development and Marketo and GitBook implementation based on customer needs. I contributed to the website responsiveness improvements and CSS and JavaScript cleanup. I also worked on security improvements for the website, including 2FA.

Languages

SCSS, Less, Sass, PHP 7, PHP, HTML5, JavaScript, CSS3, HTML, CSS, SQL, C++

Frameworks

ZURB Foundation, Bootstrap 3, Play, Foundation CSS, ZURB Foundation 2, Bootstrap, Laravel

Libraries/APIs

WordPress API, WooCommerce API, jQuery, Stripe API, Stripe, jQuery CDN, Facebook API, Facebook Open Graph API, Twitter API, Google+ API, VKontakte API

Tools

Advanced Custom Fields (ACF), PhpStorm, Sketch, Adobe Experience Design (XD), TextWrangler, Adobe Photoshop, Adobe Dreamweaver, ACF PRO, Gulp, NPM, Git, GitHub, WP All Import, AutoCAD, WP-CLI, Figma

Paradigms

Object-oriented Programming (OOP), Search Engine Optimization (SEO), Responsive, Responsive Coding

Platforms

WooCommerce, WordPress, MacOS, Windows, Linux, OS X, Shopify, Klaviyo, Marketo

Other

Ajax, Shortcodes, WordPress Rescue, PSD to WordPress, HTML to WordPress, WordPress Themes, WordPress Plugins, AMX, Web Development, Frameworks, CSS Frameworks, Content Management Systems (CMS), Payment APIs, Stripe Payments, Booking Systems, Mobile First, Appointment Booking, SMS Gateways, Site Speed Optimization, Web Accessibility, User Interface (UI), WordPress Design, SEO Tools, User Experience (UX), APIs, eCommerce, Security, API Integration, OpenAI GPT-4 API, Marketplaces, PayPal, Elementor, WCAG 2, Accessibility, Enfold, BSS, Web Map Services (WMS), Edius, Pixel Perfect, Landing Pages, CSS3 Animation

Storage

MySQL

1999 - 2005

Bachelor of Engineering Degree in Computer Engineering

Zagreb University - Zagreb, Croatia

JANUARY 2009 - PRESENT

AMX Introduction to Control System Design

Harman Professional University

JANUARY 2009 - PRESENT

AMX Control Associate Programmer (ILC)

Harman Professional University

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