Dominik Kucharski, Developer in Callao Salvaje, Spain
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Dominik Kucharski

Verified Expert  in Engineering

WordPress Developer

Callao Salvaje, Spain
Toptal Member Since
June 10, 2022

Dominik is an experienced front-end developer who has built many high-quality websites, mainly for German, Swiss, and American markets. What sets him apart is his incredible attention to detail and being someone the client can rely on. Dominik can create a smartly written template for any content management system (CMS). He has recently started to take an interest in React and headless CMSs.


CSS, HTML, JavaScript, Vanilla JS, jQuery, Themes, WordPress, PHP...
Built Technologies, Inc.
WordPress, Page Speed Optimization, Custom Models, Advanced Custom Fields (ACF)
CSS, HTML, Joomla, WordPress, WHMCS, JavaScript, jQuery, PHP, Git, GitHub...




Preferred Environment

MacOS, Git, GitLab, GitLab CI/CD, Visual Studio Code (VS Code), GitHub, Google Chrome

The most amazing...

...accomplishment I've achieved was creating the branding website and business development for two interactive agencies I worked for.

Work Experience

Freelance WordPress and UI Developer

2014 - PRESENT
  • Delivered dozens of websites based on various content management systems (CSMs) written mainly in WordPress.
  • Created a custom starter theme for WordPress based on Tailwind CSS.
  • Collaborated with many interactive agencies from Germany, Switzerland, Austria, and the USA.
  • Optimized multiple pages that scored over 90 out of 100 on Google's PageSpeed Insights.
Technologies: CSS, HTML, JavaScript, Vanilla JS, jQuery, Themes, WordPress, PHP, WordPress Themes, Tailwind CSS, Sass, Responsive Design, Content Management Systems (CMS), LAMP, Git, GitLab CI/CD, GitLab, HTML5, Web Development, Website Optimization, User Interface (UI), User Experience (UX), Responsive Web Design (RWD), Bootstrap, Content Marketing Platforms, Beaver Builder, Web UX, Divi, Webflow, WordPress Plugins

WordPress Developer

2023 - 2023
Built Technologies, Inc.
  • Helped remove many UX errors on the website.
  • Implemented Tailwind CSS to optimize code speed and consistency.
  • Programmed and implemented new blocks that helped the client introduce new, engaging content.
Technologies: WordPress, Page Speed Optimization, Custom Models, Advanced Custom Fields (ACF)

Front-end Developer

2008 - 2014
  • Developed an advanced custom theme for WHMCS, a special CMS for hosting companies.
  • Created about ten premium Joomla templates for sale with a strong sales record.
  • Built multiple websites based on Joomla for the company's customers.
  • Taught one employee with no experience to be a front-end developer.
  • Created a large employer website that streamlined the conversion process and provided quick access to the knowledge base for clients.
Technologies: CSS, HTML, Joomla, WordPress, WHMCS, JavaScript, jQuery, PHP, Git, GitHub, GitLab, HTML5, Web Development, Sass, User Interface (UI), User Experience (UX), Responsive Web Design (RWD), Web UX

Junior Front-end Developer

2008 - 2008
Talem Technologies
  • Developed several eCommerce websites that achieved sales success in their industry.
  • Trained clients on how to use the eCommerce system based on VirtueMart in Joomla CMS.
  • Tested and ensured high quality for outsourced projects.
Technologies: Joomla, PSD to HTML, QA Testing, eCommerce, VirtueMart, Custom CMS Development, Website Maintenance, Training, HTML, HTML5, PHP, CSS, Web Development

Junker | Moving in Berlin
This is a website for a Berlin-based moving company. I programmed a WordPress website based on a design prepared by an interactive agency. I used a theme that I developed for this project, which worked with the Gutenberg content editor.

Jungmann | Professional Solutions for Setting up the Control Room or Control Station
A very comprehensive service page for a control room company. This bilingual website created in WordPress has multiple unique landing pages to streamline the sales process. As a front-end developer, I have designed and developed a custom WordPress theme and maintained it over the last five years.

House Energy | Professional Photovoltaic Installations
The website for a company that sets up photovoltaic installations in Poland. In this project, I coded the provided design to WordPress CMS.

It's a straightforward website but quite visually appealing. It is noteworthy that it features a complicated calculator that shows the savings for the customer based on the information about paid electricity bills.

BEN BLU | Illusionist from Berlin
A website with a theater ticket reservation feature. This project uses the WooCommerce plugin along with EventON to enable ticket sales. The sales process is simple and clear to the user. Also, the quite visually appealing design of the site is noteworthy, which was an interesting challenge.

DTCC Learning Center
DTCC Learning is a powerful e-learning website with vast content designed for different user groups. The project was based on Joomla CMS and was carried out by a team of two PHP programmers and me as a front-end developer. The biggest challenge in this project was the advanced modification of the plugin responsible for the learning system. In addition, the website has been on the market for many years, so it also required a complex update of the CMS and plugins to the latest versions.

Tausend Tassen | Crockery Rental
An online store operating as a crockery rental for the company from Berlin. It is a project based on WordPress and WooCommerce. I programmed it in 2016, and I've kept it in excellent condition. The biggest challenge in this project was adapting WooCommerce to work as a rental site, not a store, and adapting to the regulations of the German market.

DSKOM - Digital Marketing Agency in Berlin
As the lead developer, I successfully crafted a high-performance website for a Berlin-based SEO and marketing agency using WordPress with a hand-coded custom theme. The project was meticulously designed to match the agency's unique branding and image, boasting an aesthetically pleasing design and engaging user interface. I incorporated an intuitive eCommerce feature allowing clients to conveniently purchase service packages directly from the website. My commitment to high-quality coding standards ensured a swift, responsive website that accurately represented the design vision, bolstering client satisfaction and business growth. I successfully liaised with the design team, ensuring a seamless blend of form and function that distinguishes the agency in a competitive digital market.
2005 - 2010

Master of Engineering Degree in Multimedia Systems

West Pomeranian University of Technology - Szczecin, Poland


jQuery, GSAP, React


Gulp, Advanced Custom Fields (ACF), Git, GitLab, PostCSS, GitLab CI/CD, GitHub


Tailwind CSS, Bootstrap, VirtueMart, Vanilla JS, Divi


HTML, HTML5, JavaScript, CSS, PHP, Sass


BEM, Responsive Web Design (RWD)


WordPress, MacOS, Visual Studio Code (VS Code), Google Chrome, Joomla, WHMCS, LAMP, WooCommerce, Webflow


Web Development, Website Optimization, Front-end Development, Freelancing, WordPress Themes, Mobile First, User Interface (UI), User Experience (UX), Web UX, Page Speed Optimization, Beaver Builder, Content Marketing Platforms, Electrical Engineering, PSD to HTML, QA Testing, eCommerce, Custom CMS Development, Website Maintenance, Training, Themes, Responsive Design, Content Management Systems (CMS), WordPress Plugins, Yoast SEO, Custom Models

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