Hi there! I'm Denys Vorobjov, a Full-Stack PHP Developer based in Poznan, Poland. I bring over 12 years of hands-on experience delivering robust web apps and dynamic interfaces at UDX, working across back-end PHP and front-end technologies. I enjoy turning complex requirements into reliable, scalable solutions and collaborating with teams to ship great products. In addition to building scalable systems, I design responsive user interfaces with CSS and Tailwind, integrate WordPress plugins and themes, and craft interactive experiences with JavaScript, React, and REST APIs. I'm excited to apply my broad technical breadth and friendly, problem-solving approach to a new, challenging role.…

Denys Vorobjov

Hi there! I'm Denys Vorobjov, a Full-Stack PHP Developer based in Poznan, Poland. I bring over 12 years of hands-on experience delivering robust web apps and dynamic interfaces at UDX, working across back-end PHP and front-end technologies. I enjoy turning complex requirements into reliable, scalable solutions and collaborating with teams to ship great products. In addition to building scalable systems, I design responsive user interfaces with CSS and Tailwind, integrate WordPress plugins and themes, and craft interactive experiences with JavaScript, React, and REST APIs. I'm excited to apply my broad technical breadth and friendly, problem-solving approach to a new, challenging role.…

Available to hire

Hi there! I’m Denys Vorobjov, a Full-Stack PHP Developer based in Poznan, Poland. I bring over 12 years of hands-on experience delivering robust web apps and dynamic interfaces at UDX, working across back-end PHP and front-end technologies. I enjoy turning complex requirements into reliable, scalable solutions and collaborating with teams to ship great products.

In addition to building scalable systems, I design responsive user interfaces with CSS and Tailwind, integrate WordPress plugins and themes, and craft interactive experiences with JavaScript, React, and REST APIs. I’m excited to apply my broad technical breadth and friendly, problem-solving approach to a new, challenging role.

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Skills

Experience Level

PHP
Expert
HTML5
Expert
JavaScript
Expert
WordPress
Expert
API
Expert
Bootstrap
Expert
CSS
Expert
jQuery
Expert
React JS
Expert
Tailwind
Expert
Github
Expert
MySQL
Expert
Web Design
Expert
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Language

English
Advanced
Ukrainian
Fluent

Work Experience

Full-Stack Developer at UDX
February 1, 2013 - August 25, 2025
Highly skilled and dedicated Full-Stack PHP Developer with over 12 years of experience at UDX. Proven expertise in both front-end and back-end development, including creating custom WordPress themes and plugins. Proficient in a wide range of technologies, such as PHP, Native JavaScript, jQuery, CSS, and Tailwind CSS. Experienced in building dynamic websites and mobile application layouts using React and other modern tools. Seeking to apply extensive technical knowledge and diverse skill set to a new challenging role. Professional Experience: UDX | Full-Stack Developer | 2013-2025 - Developed and maintained a wide range of web applications and websites using PHP. - Built dynamic and interactive user interfaces using Native JavaScript, jQuery, and React. - Designed and implemented responsive and modern user interfaces with CSS and Tailwind CSS, including mobile-friendly layouts for applications. - Wrote and customized WordPress plugins and themes to meet specific project requirements and extend functionality. - Managed both front-end and back-end development processes, ensuring seamless integration and high performance. Skills: - Languages: PHP, JavaScript (ES6+), HTML5, CSS3 - Front-end: React, jQuery, Native JS, Tailwind CSS, Bootstrap - Back-end: PHP - CMS: WordPress (Theme & Plugin Development) - Tools & Concepts: REST APIs, Git, Mobile-first Design
Full-Stack Developer at UDX
January 1, 2025 - September 17, 2025
Developed and maintained a wide range of web applications and websites using PHP. Built dynamic and interactive user interfaces using Native JavaScript, jQuery, and React. Designed and implemented responsive and modern user interfaces with CSS and Tailwind CSS, including mobile-friendly layouts for applications. Wrote and customized WordPress plugins and themes to meet project requirements and extend functionality. Managed both front-end and back-end development processes, ensuring seamless integration and high performance.
Full-Stack Developer at UDX
January 1, 2025 - September 22, 2025
Developed and maintained a wide range of web applications and websites using PHP. Built dynamic and interactive user interfaces using Native JavaScript, jQuery, and React. Designed and implemented responsive and modern user interfaces with CSS and Tailwind CSS, including mobile-friendly layouts. Wrote and customized WordPress plugins and themes to meet project requirements and extend functionality. Managed both front-end and back-end development processes, ensuring seamless integration and high performance.
Full-Stack Developer at UDX
January 1, 2025 - September 22, 2025
Developed and maintained a wide range of web applications and websites using PHP. Built dynamic and interactive user interfaces using native JavaScript, jQuery, and React. Designed and implemented responsive user interfaces with CSS and Tailwind CSS, including mobile-friendly layouts. Wrote and customized WordPress plugins and themes, ensuring feature-rich, scalable solutions. Managed full-stack development processes for high performance and seamless integration.
Full-Stack Developer at UDX
January 1, 2013 - Present
Developed and maintained a wide range of web applications and websites using PHP. Built dynamic and interactive user interfaces using Native JavaScript, jQuery, and React. Designed and implemented responsive and modern user interfaces with CSS and Tailwind CSS, including mobile-friendly layouts for applications. Wrote and customized WordPress plugins and themes to meet specific project requirements and extend functionality. Managed both front-end and back-end development processes, ensuring seamless integration and high performance.
Full-Stack Developer at UDX
January 1, 2025 - October 10, 2025
Developed and maintained a wide range of web applications and websites using PHP. Built dynamic and interactive user interfaces using Native JavaScript, jQuery, and React. Designed and implemented responsive and modern user interfaces with CSS and Tailwind CSS, including mobile-friendly layouts for applications. Wrote and customized WordPress plugins and themes to meet specific project requirements and extend functionality. Managed both front-end and back-end development processes, ensuring seamless integration and high performance. Additionally, implemented photo compression using Imgix API and previously integrated music playback via the Spotify API (now deprecated due to API changes).
Full-Stack Developer at UDX
January 1, 2013 - Present
Developed and maintained a wide range of web applications and websites using PHP. Built dynamic and interactive user interfaces using Native JavaScript, jQuery, and React. Designed and implemented responsive and modern user interfaces with CSS and Tailwind CSS, including mobile-friendly layouts for applications. Wrote and customized WordPress plugins and themes to meet specific project requirements and extend functionality. Managed both front-end and back-end development processes, ensuring seamless integration and high performance.

Education

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Qualifications

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Industry Experience

Software & Internet, Computers & Electronics, Professional Services, Media & Entertainment
    paper WordPress Theme for clients site

    Description: Re-creating client site with new WP theme + custom mu-plugins. MU Plugins:

    • Plugin which merges data from SalesForce and FireBase to WPDB.
    • Plugin for creating custom SiteOrigin modules.
    • Theme with custom functionality which works with Timber plugin (.twig files and templates).

    Technologies that were used in the implementation of the theme:

    • SiteOrigin
    • Tailwind CSS
    • Imgix
    • SalesForce
    • FireBase
    • Timber

    Languages: PHP, CSS, Javascript, jQuery, AJAX, TWIG.

    URL: https://www.twine.net/signin

    paper WordPress Theme

    Description: The main functionality of the theme is displaying information on static pages using custom SiteOrigin modules that are also written by me and work as a separate plugin. This plugin (mu-plugin) is made only for registering custom modules and their functionality. The Theme also has the following functionality:

    • photo compression using https://www.twine.net/signin API.
    • previously implemented the functionality of playing music using the Spotify API (Now disabled because the Spotify API has stopped supporting this function)

    Technologies that were used in the implementation of the theme:

    • Spotify API
    • SiteOrigin
    • Tailwind CSS
    • Imgix

    Languages: PHP, CSS, Javascript, jQuery, AJAX.

    Examples: