About
Who you'll work with
Jaroslaw Karnas is an independent UX/UI designer and Magento 2 front-end developer specializing in custom theme design, theme development, and ongoing storefront support. Behind that: Adobe Certified Expert in Magento 2 front-end development, CXL certified in conversion optimization, more than 10 years of Magento and e-commerce work, and Upwork Top Rated.
Magefront is deliberately a one-person service. No subcontractors, no outsourcing, and only a few clients at a time, so each storefront gets dedicated attention. Magefront adapts to your existing workflow and tools.
Based in Poland, helping brands in North America, the UK, and the EU, both directly and as an agency contractor. A flexible schedule means working-hours overlap with every time zone from the West Coast to Central Europe.
Get Started
Begin onboarding and start within 24 hours.
Request
Submit unlimited requests. Tasks are worked on one at a time to ensure quality and fast turnaround.
Receive
Small tasks typically delivered within 24-48 hours. Larger tasks worked on continuously with regular updates.
Continue
Approve the work or request revisions at your pace. The next task in your queue starts right away.
What's included
From quick fixes to new pages and features. Submit any UX/UI or front-end task and it gets done.
Custom theme design and theme development, new features, performance improvements, and ongoing theme updates. Third-party extensions styled to match your storefront. Your theme built, maintained, and improved, end to end.
Sample requests
Product pages, category layouts, navigation, filtering, checkout flows, cart, and header improvements. A smoother shopping experience across the entire store.
Sample requests
Landing pages, support pages, product descriptions, blog layouts, and email templates. Consistent, on-brand content across your store.
Sample requests
Promotions, seasonal updates, category adjustments, and general storefront upkeep. Your store stays current without you touching code.
Sample requests
Storefronts brought in line with WCAG accessibility standards and local legal requirements.
Sample requests
Featured task
Product card redesign
Redesign the default Magento 2 category product card for a Hyvä-based storefront:
Water-based gel stain, drip-free. For indoor and outdoor use, 7-year protection guarantee.
Available
Pricing
Ongoing support
40% off · first 4 weeksHours per day
$264
/ week (10 hours per week)
Billed at $440 $264 ($26.4/hr) for 4 weeks and then $440/week ($44/hr)
What's included:
Got a question?
Looking for a tailored support plan, a custom theme build, or have questions about the subscription? Just ask - I'll put together a plan that fits your store's needs.
Frequently asked questions
Got a question?
Looking for a tailored support plan, a custom theme build, or have questions about the subscription? Just ask - I'll put together a plan that fits your store's needs.
Got a question?
Looking for a tailored support plan, a custom theme build, or have questions about the subscription? Just ask - I'll put together a plan that fits your store's needs.

Adobe Commerce Front-End Developer
Issued by Adobe · 24 Mar 2023 – renewed, valid through 2 Oct 2027
Adobe’s expert-level certification for the Adobe Commerce (Magento 2) storefront layer. The exam covers theme structure and inheritance, layout XML, templates, blocks and view models, LESS-based styling, and translations – together with the front-end JavaScript stack: RequireJS modules, Knockout bindings, and UI components.
It also covers checkout customization, front-end caching behaviour, and the debugging workflow used when extending a live storefront without breaking upgrade paths.

Conversion Optimization Minidegree
Issued by CXL · 16 Oct 2025
CXL’s Conversion Optimization Minidegree is a 20-course program taught by senior CRO practitioners. It covers the full experimentation workflow – conversion research using analytics, heatmaps, session recordings, surveys, and user testing; heuristic and funnel analysis to locate friction; data-backed hypothesis building and test prioritization; and running statistically valid A/B tests with correct result interpretation.
It also covers digital psychology and persuasion, landing page optimization, and conversion copywriting.