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Marcin Gromek Frontend Developer

Specializing in Shopify, WordPress, React, Vue.js

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About me

10+ years of experience in e-commerce & web development

Frontend developer with a passion for building fast, responsive, and user-friendly web applications. I specialize in the React ecosystem and e-commerce platforms like Shopify and WordPress.

Tech stack

Shopify Astro WordPress Vue.js React Tailwind CSS TypeScript Node.js

Featured projects

Parys Saint-Barber

Business card website for a barber — modern design with video reels section, delayed cookie consent for LCP optimization, GTM/GA4 integration, and dark mode.

Astro Tailwind CSS Google Tag Manager GA4

Gravaris

Company website for an earthworks and pond excavation specialist. Modern, minimalist design with project gallery and responsive layout.

Astro CSS3 JavaScript Netlify

XKOP

Company website for an earthworks and hydrotechnical contractor with 15+ years of experience. Elegant dark design with a portfolio of 23 completed projects.

Astro CSS3 JavaScript Netlify

Desky

E-commerce store for ergonomic desks and accessories. Custom features: video gallery on PDP, product configurator, advanced 3D presentation.

Shopify Liquid JavaScript CSS3
View all projects

Experience

  1. Freelance

    2026–present

    Frontend Developer

    Freelance projects for e-commerce clients. Implementing UI/UX solutions with Astrojs, Shopify, WordPress, JavaScript, HTML, CSS3.

  2. Desky

    2025–2026

    Frontend Developer

    Developing and maintaining custom Shopify themes and apps for e-commerce clients. Implementing UI/UX solutions with Shopify Liquid, JS, HTML, CSS3.

  3. Brand Active

    2023–2025

    Frontend Developer

    Building e-commerce applications using the Shopify ecosystem. Custom Shopify themes and apps. Working with Shopify Liquid, React.js, Remix.js, TypeScript, Tailwind CSS, Shopify Hydrogen, GraphQL.

  4. MachinePortal

    2023

    Frontend Developer

    Building e-commerce applications. Working with Vue.js v2.x, Vuex, JavaScript, Jest, Vuetify, Atomic Design, BEM.

  5. Media4U

    2022–2023

    Frontend Developer

    Building e-commerce applications. Projects for brands such as Marilyn, Tatuum, Mastivo, Gabi.net, Varlesca, Alles, Cosmedica, Urbancity. Working with Vue.js, Vuex, jQuery, Twig, Bootstrap, Webpack.

  6. Wunderman Thompson

    2021–2022

    Frontend Developer

    Building web applications with React.js. Migrating a project from AngularJS to React.js. Working with JavaScript, jQuery, Jest, React Testing Library, Material UI, Styled Components, Webpack.

  7. BitBag

    2021

    Frontend Developer

    Building websites based on Sylius CMS. Working with HTML5, Twig, CSS3, Scss, JavaScript ES6, jQuery, Semantic UI, Gulp, Webpack.

  8. MyWorld

    2019–2020

    Frontend Developer

    Co-developing a portal for one of the largest e-commerce companies in Austria. Working with HTML5, CSS3, Sass, JavaScript ES6, jQuery, Bootstrap v4, Webpack, Thymeleaf.

  9. Avon

    2018–2019

    Frontend Developer

    Co-developing a portal for one of the largest multi-level marketing companies in cosmetics and personal care. Working with HTML5, CSS3, JavaScript ES6, jQuery, Bootstrap v3, WordPress.

  10. Efigence

    2016–2018

    Frontend Developer

    Delivering projects for major brands (Bank Pekao S.A., PLAY, Emirates NBD — Dubai business trip). Building websites with HTML5, CSS3, Sass, JavaScript, jQuery, Foundation, Gulp.js.

Interested in working together?

Get in touch to discuss your project

Contact me