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The specialized marketplace for the Medusa.js ecosystem. Connecting open-source commerce expertise with the world.

Marketplace

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Browse Agencies
Talent Network
Success Stories

Resources

Documentation
Salary Guide
Job Alerts
Blog

Company

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Contact

MARCIN CHMURA | Medusa Jobs | Medusa Jobs

Open to Offers

MARCIN CHMURA

Verified#20

Medusa developer

location_onGdańsk, Pomeranian Voivodeship, Poland

schedule20-40 hrs/week

Start a Conversation with MARCIN

About

Senior Fullstack Developer with over 10 years of experience in building scalable, high-performance web applications. Expert in the JavaScript/TypeScript ecosystem (Angular, React, Next.js) and Node.js, with a strong focus on Headless architectures and AI integration. I bridge the gap between pixel-perfect UI (Tailwind, Material UI) and robust backend logic, ensuring top-tier code quality through comprehensive Cypress and Playwright automation. Big fan of Medusa.js.

Technical Stack

JAVASCRIPTTYPESCRIPTANGULARREACTNODE.JSCYPRESSPLAYWRIGHTTAILWIND CSSRESTFUL APISAGILE/SCRUM

Specialized Medusa.js Experience

extension

Plugin Development

Deep experience building custom payment providers, fulfillment adapters, and ERP sync engines.

settings

Medusa Core

Expert-level understanding of Medusa.js architecture, APIs, and core functionality.

shopping_bag

Custom Storefronts

Building ultra-fast commerce UX using Next.js, Remix, and Medusa's Javascript Client.

settings_input_component

Admin Extensions

Customizing the Medusa Admin dashboard with specialized UI components and widgets.

database

Large Scale Migrations

Proven track record migrating complex catalogs and customer data from Shopify Plus to Medusa.

Professional Experience

2017 — currently

FRONT-END DEVELOPER / AUTOMATION ENGINEER

Avenga

Developing advanced web applications for the medical sector using Angular and React frameworks, with a strong focus on data security and scalability. Designing and implementing End-to-End (E2E) automated testing strategies using Cypress and Playwright, significantly reducing regression time and improving system stability. Actively participating in the full Software Development Life Cycle within the SCRUM methodology, from requirements analysis to final deployment.

2015 — 2017

WEB DEVELOPER

Lemonmind

Served as the lead Front-end and E-commerce specialist, responsible for establishing and maintaining visual and technical project standards. Developed custom themes and functionalities for CMS and e-commerce platforms, including WordPress, PrestaShop, and ModX. Optimized page load speed and Responsive Web Design (RWD) for the agency's key clients.

2013 — currently

Cloud House

End-to-end delivery of web and e-commerce projects – from initial concept and technology selection to final deployment (utilizing Vercel and Supabase). Implementing modern Headless CMS solutions (Strapi, Payload) and Headless e-commerce (Medusa.js) to ensure high-performance and flexible UIs. Integrating cutting-edge AI tools (OpenAI API, Vercel AI SDK, Gemini API, n8n) to automate processes within client applications.

Hiring Details

ExperienceSenior Developer

Availability

Full-time

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Online Presence

github.com/cloud-house

Languages

English (C1)intermediate

Education

ICT technician

ZSEII GIŻYCKO

2006 — 2010

Computer networks and databases

WSB GDAŃSK

2010 — 2013

Asus (Apprenticeship)

Angular JS (InfoShare, 2015)

Certification