Hi, I'm Stanisław
Web Developer | E-commerce & Custom Web | Shopify | Performance & SEO
SM

About

I am a results driven Web Developer focused on building high performance, scalable, and SEO friendly web solutions. I prioritize selecting the most effective tools to meet your business objectives, from complex ecommerce platforms to custom web applications. I handle the entire development lifecycle ensuring clean code, intuitive UX, and reliable delivery for every project.

Work Experience

Education

Skills

HTML5HTML5
CSS3CSS
JavaScriptJavaScript
PHPPHP
MySQLMySQL
WordPressWordPress
WooCommerceWooCommerce
Responsive Web DesignResponsive Design
ReactReact
Next.jsNext.js
Tailwind CSSTailwind CSS
GatsbyGatsby.js
ShopifyShopify
StorefrontEcommerce Storefront Design
APIAPI Integration
My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

Count Every Hero
Website

Count Every Hero

Website developed based on a provided design, with full implementation on WordPress using ACF. Focus on responsiveness, performance, and design accuracy. Project done while collaborating with a client through Upwork.

WordPress
PHP
MySQL
JavaScript
HTML5
CSS3
Medical Affairs BGB | Group
Website

Medical Affairs BGB | Group

Website based on a provided graphic design, developed while collaborating with a client through Upwork. Focus was on responsiveness, performance, and design accuracy.

React
Gatsby
TypeScript
CSS3
PHP
SXSW 2025
Website

SXSW 2025

Landing page built from a provided design, developed while collaborating with a client through Upwork for the SXSW event. Lightweight, responsive, and fully aligned with the original concept.

JavaScript
HTML5
CSS3
Infkurs
Website

Infkurs

Professional WordPress website for promoting and selling online courses. (Domain inactive, preview available in portfolio on Upwork)

WordPress
PHP
MySQL
Qualifications

Certifications & Diplomas

Professional achievements and continuous learning in modern web technologies.

Agricultural Technical School Complex in Białystok
Vocational Diploma - Page 1
Agricultural Technical School Complex in Białystok
Apr 2025
Agricultural Technical School Complex in Białystok
Vocational Diploma - Page 2
Agricultural Technical School Complex in Białystok
Apr 2025
Vercel
Next.js App Router Fundamentals
Vercel
Jul 2025
Vercel
React Foundations for Next.js
Vercel
Jul 2025
Udemy
10 projects in pure JavaScript
Udemy
Aug 2024
Udemy
FullStack WebDeveloper from Fundamentals to Master 73h course
Udemy
Aug 2024
MMC School
WordPress - Professional Site for Your Business
MMC School
Aug 2024
Udemy
JavaScript - The Only Course You Need!
Udemy
Dec 2023

What Clients Say

“Awesome work! Stanisław was very responsive, delivered quickly, and overall it was a great experience. I will definitely work with him again in the future.”

Simple landing page client
Verified Upwork Client

“Exceeded expectations. Demonstrates good experience and knowledge in chrome extension development.”

Chrome Extension project
Verified Upwork Client

“Stanisław is very quick, professional and easy to communicate. I needed a js to visualize complex data and I am very pleased with the result!”

Visualization of sleep-wake cycles
Verified Upwork Client

“Stanislaw was a great hire. He was very communicative and active as a problem solver to help with my project in a timely matter.”

Plant Hardiness Zone Lookup
Verified Upwork Client

“Amazing work!”

JavaScript fix client
Verified Upwork Client

“unbelievable fast, great, thx”

Image processing project
Verified Upwork Client
Hackathons

I like building things

Driven by a passion for sustainability and technical innovation, I have actively participated in 2+ national competitions and hackathons.

Rising Innovators Competition – 3rd Place

Rising Innovators Competition – 3rd Place

Bialystok University of Technology

Awarded 3rd place in the prestigious Rising Innovators 2025 competition, organized by Bialystok University of Technology as part of the Via Carpatia Network of Technical Universities initiative. As a ...

Competition Results
Hackheroes

Hackheroes

Poland

Participated in the national Hack Heroes 2024 competition centered on 'Climate and Environment'. While we didn't reach the finals among 189 teams, creating a functional carpooling prototype in such a ...

Contact

Get in Touch

Want to chat? Just shoot me a dm with a direct message on LinkedIn or through the contact form and I'll respond whenever I can. I will ignore all soliciting.

GitHub
LinkedIn
Upwork