Daniel Stopka, Developer in Žilina, Žilina Region, Slovakia
Daniel is available for hire
Hire Daniel

Daniel Stopka

Verified Expert  in Engineering

WordPress eCommerce Developer

Žilina, Žilina Region, Slovakia
Toptal Member Since
August 31, 2018

Daniel's expertise lies mainly with WordPress and WooCommerce development—he can code almost any theme from scratch with custom features. He is also capable of implementing a client's requirements on the existing theme or building a custom-made plugin. Daniel can also implement JavaScript-based solutions that also improve the user experience and add interactions to the website.


World Education Services, Inc.
WordPress, PHP, JavaScript, HTML, Git, WP Engine, Figma, Ajax, PHP 7
JavaScript, REST APIs, GraphQL, CSS3, HTML5, Next.js, React, Figma
JavaScript, React, Next.js, CSS, CSS3, REST APIs, eCommerce




Preferred Environment

React, Git, JavaScript, WooCommerce, WordPress, WebStorm, PhpStorm, Visual Studio Code (VS Code), Asana, GitHub, WordPress Plugins, Pixel Perfect

The most amazing...

...project I've worked on is a GIF/MP4 generator that created amazing shots from selected photos.

Work Experience

WordPress Developer

2022 - PRESENT
World Education Services, Inc.
  • Created new landing pages, reviewing and optimizing legacy code.
  • Secured the website's availability, setting up Git flow and CI/CD.
  • Implemented custom features based on the business requirements.
Technologies: WordPress, PHP, JavaScript, HTML, Git, WP Engine, Figma, Ajax, PHP 7

React Front-end Developer

2022 - 2023
  • Created a comparison landing page displaying and comparing the reviews and aggregated company data of selected companies.
  • Built a user dashboard, allowing users to sign up, subscribe to a product, and review the product metrics in a graph.
  • Developed new static websites based on the design in Figma.
Technologies: JavaScript, REST APIs, GraphQL, CSS3, HTML5, Next.js, React, Figma

Senior Front-end Developer

2021 - 2021
  • Developed a headless eCommerce website connected to the back end via REST API with a guest and login checkout, my account section, and content from CMS.
  • Optimized a React website for Core Web Vitals and a fast loading speed.
  • Improved multiple components to provide better accessibility for users.
Technologies: JavaScript, React, Next.js, CSS, CSS3, REST APIs, eCommerce

Senior WordPress Developer

2019 - 2020
  • Reconstructed multiple WordPress websites into custom themes based on the design in Figma.
  • Fixed bugs reported by the team, which required a deeper review of the third-party plugin, including sales tax and the alcohol compliance plugin.
  • Optimized the architecture to keep a fast loading speed and reliability.
Technologies: PHP, JavaScript, WordPress, WooCommerce, Subscriptions, CSS3, CSS, WordPress Themes, eCommerce, PHP 7, WordPress eCommerce

Experienced WordPress Developer

2018 - 2018
Freelance Work
  • Reviewed the code of the websites and recommended changes or improvements.
  • Created the generation of the XML file containing product information, including title, image URL, price, and more, for a third-party listing website.
  • Developed GIF creation in JavaScript from selected images to create a 5-10 second shot with social share. Connected to the external API to convert the GIF into an MP4 format for sharing on Twitter.
  • Built a WordPress plugin for a custom WooCommerce workflow. After purchasing a medical product, it enables the addition of a unique ID to each product, registration and custom approval of the product, set up of the automatic emails, and cron job.
Technologies: Wordmove, WP-CLI, Gulp, Git, jQuery, JavaScript, Sass, CSS, PHP, WooCommerce, WordPress, CSS3, Ajax, Photoshop 2017, Materialize, MySQL, Bootstrap 3+, PHP 7, WordPress eCommerce, PSD to WordPress

WordPress Developer

2017 - 2017
Freelance Work
  • Implemented the alterations of the premium themes from Photoshop designs.
  • Created WordPress themes from scratch.
  • Troubleshot various bugs (design bugs, JavaScript related bugs, bugs after the update, etc.).
  • Reviewed and strengthened the security of the websites.
  • Implemented speed optimizations.
Technologies: Git, jQuery, JavaScript, CSS, PHP, WooCommerce, WordPress, CSS3, Photoshop 2017, PSD to WordPress

WordPress Developer

2016 - 2016
Freelance Work
  • Alterations of the premium themes based on Photoshop designs.
  • Set up the website with a huge list of singers, importing and showing YouTube videso for each singer.
Technologies: jQuery, CSS, PHP, WordPress, CSS3

Junior WordPress Developer

2015 - 2015
Freelance Work
  • Modified WordPress themes based on Photoshop designs.
  • Migrated WordPress-based websites to a better hosting, optimized performance.
  • Utilized the WordPress All Import plugin for bulk import and export features.
Technologies: CSS, PHP, WordPress, CSS3

Wedding Agency Website

The completely new website for the wedding salon was realized by customizing the eShop to the client's requirements. The page has a unique design that has been crafted by the graphic artist, which adds to its authenticity.

Shaty | eShop for Dresses

I reviewed and improved the code following WordPress coding best practices. I also cleaned up and updated the plugins, generated XML files for external services, and fulfilled all the monthly tasks set by the client.

Photobooth Website

I created a GIF maker feature that generates a GIF shot from selected photos. After creating the GIF, it can be shared on Facebook or Instagram. I also implemented a third-party conversion of the GIF to an MP4 file for better usability.

eCommerce with the Costume Jewelry

I developed this multilingual eCommerce website based on WordPress with WooCommerce. I also wholly imported and mapped the product data from CSV into WooCommerce and set up the SEO plugin with metadata and sitemap.

Toptal React Academy

The Toptal React Academy is an exclusive learning program that teaches the React framework to select members of the Toptal network. After a month of study, all graduates are tasked with completing a 30-40 hour final project to build and deliver a React app from scratch.

Toptal React Academy Graduate

Toptal, LLC


React, jQuery, REST APIs


Git, Gulp, Photoshop 2017, WebStorm, PhpStorm, GitHub, WP-CLI, Figma, Asana


WooCommerce, WordPress, Visual Studio Code (VS Code)


Next.js, Bootstrap 3+, Materialize


JavaScript, Sass, PHP, CSS, PHP 7, CSS3, SCSS, HTML, GraphQL, HTML5


MySQL, WP Engine


WordPress Themes, PSD to WordPress, Sketch to WordPress, WordPress eCommerce, Ajax, eCommerce, Pixel Perfect, Wordmove, WordPress Plugins, WordPress Rescue, SSH, Websites, Subscriptions

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.


Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring