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Hi, i'm
Cezary Mazur
i'm a frontend developer.


years of




of code



chosen success stories:
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Frontend Decoration - gradient from blue to purple blurred shadow

 About * Skills * Technologies * Resume * Successes *

 About * Skills * Technologies * Resume * Successes *

* about


👋 Hi there! I'm a Frontend Developer with over +6 years of hands-on experience, currently enhancing digital solutions at SalesTube powered by hmmh Poland.

Developed online stores that collectively generate over 1M PLN in sales per month. Worked on rich JavaScript (Vue.js) applications and Headless CMS systems like Storyblok, Contentful, and WP with GraphQL. Managed and delivered over 50+ WordPress sites with 99% customer satisfaction. Successfully fixed critical WordPress issues, improving website reliability and user experience.

💎 Most important skills:

JavaScript ES6

what others say?

I created my website a few years ago and it needed to be refreshed, changed and moved to a faster server. Several dozen e-mails and inquiries about cooperation, waiting for replies, quotes... Contact with Cezary was professional from the very beginning, his commitment exceeded that of the competition. Reviewed projects, excellent execution of previous orders. The choice was simple - Cezary. He is an expert in what he does, each proposal was discussed and carefully considered. Conscientious work, no delays, everything as planned. If you're looking for someone with a wealth of knowledge and experience at Woocommerce, you've definitely come to the right place!

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Jakub Jewak
Owner at PanOptyk

We worked with Cezary to transfer our store from the Shoper platform to WooCommerce. We needed technical support in this process and the implementation of several solutions that went beyond the options available in the template we chose. Everything worked out and works as we wanted. We recommend Cezary all the way!

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Ola i Asia
from Bivak Outdoor

Cezary has extensive experience in implementing solutions based on WordPress and Woocommerce. He is characterized by very good communication and a comprehensive approach to the assigned tasks. I fully recommend cooperation with Cezary.

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Daniel Tomaszewski
CEO at Sellision

Cezary has truly surpassed expectations as both a Designer and FrontEnd developer. The website they crafted for our business boasts a powerful product catalog with over 1000 items, striking a perfect balance between aesthetics and functionality. The design is not only visually captivating but also incredibly user-friendly, resulting in a noticeable boost in engagement. Throughout the collaboration, Cezary demonstrated exceptional professionalism, responsiveness, and a keen understanding of our brand. I wholeheartedly recommend his services to anyone seeking a top-notch website that not only looks impressive but also delivers a seamless user experience.

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Oliwia Karasiewicz
CEO at PHU SystemyPneumatyczne

I work with Cezary on a daily basis on many projects. I can always count on his very high quality of work and commitment in the most difficult cases. Cezary is characterized by proactivity, regularity and willingness to take on even the most difficult challenges. It is worth noting that he also introduces a great atmosphere in the team and willingly shares a huge amount of technical knowledge. He is a tech-savy guy! I sincerely recommend cooperation with Cezary!

Review Person Avatar
Daniel Rychlik
Project Manager at Salestube

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