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Shopify developer. Migrations, store builds, custom development.

Shopify

End-to-end Shopify development — from design to a live store.

Free Consultation Case Studies

Brands and stores I've worked with

Evoluts logo
Noesis logo

About Me

I build and grow Shopify stores — from migrations to custom development and optimization.

Shopify Migrations

Moving stores from WooCommerce, PrestaShop and other platforms without losing data or SEO rankings.

Pixel-perfect development

Turning a finished Figma design into a working store with custom Liquid sections.

Implementations & Integrations

Building stores from scratch — payments, shipping, apps, external system integrations, technical support and bug fixes.

PageSpeed & Core Web Vitals

Store performance optimization for better conversion rates and higher Google rankings.

Designer

Case studies

Selected Shopify migration and implementation projects.

Sunbaby

Sunbaby

Comprehensive migration of the Sunbaby store from Shoper to Shopify based on a Figma design, with 800 product migrations, Shopify Markets and custom Liquid sections.

Shopify Liquid Shopify Markets Baselinker GTM Metaobjects InPost BLIK Checkout Extensions
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Evoluts

Evoluts

Building a Shopify store based on an Adobe mockup for a brand creating digital LUTs, with custom Liquid sections and high PageSpeed performance.

Shopify Liquid Judge.me Fakturownia LDT Digital Downloads Google Analytics Meta Pixel Instagram Feed
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Clarity Collagen

Clarity Collagen

Launching a new Shopify store instance for the Polish market for a premium collagen peptides brand, with Klaviyo implementation and email automation flows.

Shopify Liquid Klaviyo Meta Pixel Google Pixel
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How we work together

A simple process — no surprises, no delays.

1

Consultation

We discuss your project scope, store needs and goals. Straightforward and to the point.

2

Quote and plan

I prepare a detailed quote and timeline. You know exactly what you'll get and when.

3

Development

I execute the work as agreed and keep you updated throughout the process.

4

Launch and support

After testing we go live. I'm available after launch for any questions or adjustments.

Client Stories

Real experiences from our valued clients

Great experience with the migration from Shoper to Shopify. Everything was handled professionally and on time. Highly recommend Daniel Sulkowski for any Shopify project!

SunBaby's avatar
SunBaby

I've worked with dozens of developers over the years, and Daniel is without question the best Shopify developer I've ever used. He offers great value, works fast, and the quality is always exactly what I need. He's brilliant with follow-ups too — when revisions are needed, we always find a quick, painless solution. Highly recommended.

Home&Roost's avatar
Home&Roost

Working with Daniel Sulkowski was a great decision. They helped me set up my digital products store on Shopify flawlessly. The communication was excellent, and the technical execution was top-notch. Highly recommend for any Shopify project!

EVOLUTS's avatar
EVOLUTS

Great experience! The migration from WooCommerce to Shopify was smooth and professional. The store works perfectly, and the communication was excellent. Highly recommend for any platform migration!

milsendesign's avatar
milsendesign

Building our store from scratch with this partner was a pleasure. Very professional approach, great understanding of our needs, and top-notch technical execution. A true Shopify expert!

Playlo's avatar
Playlo

Top-notch collaboration! Communication was always fast and seamless, and the knowledge of Shopify was absolutely impressive – I received a clear and accurate answer to every single question. Task execution was lightning-fast, with no unnecessary delays. You can tell this is someone who knows the subject inside and out. I wholeheartedly recommend them to anyone looking for a reliable and highly competent specialist!

CLARITY Collagen POLSKA's avatar
CLARITY Collagen POLSKA

Get in Touch

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Contact Information

Location
Poland, Kraków

Frequently Asked Questions

Find answers to common questions about our services and process.

Shopify migration covers transferring products, customers, and orders, as well as configuring payments, shipping, and apps. In most cases, it's possible to preserve the existing URL structure and set up proper redirects, minimizing the risk of drops in search visibility.
Timeline depends on the size of the store and the number of integrations. In many cases, a migration can take anywhere from a few days to a few weeks.
Migration can impact SEO, which is why proper preparation of redirects and URL structure is important. This helps minimize the risk of drops in search rankings.
The Shopify implementation process starts with a consultation to assess store needs and business goals. Based on that, a migration or implementation plan is prepared. After the project is completed, the store undergoes testing and is launched on Shopify.
Post-launch support covers further store development, integrations with external systems, and ongoing optimization of the Shopify store. The scope of support is determined individually based on requirements.
Building a Shopify store from scratch involves platform setup, theme selection and customization, adding products, integrating payments and shipping, and configuring the necessary apps. A store can be launched on a ready-made Shopify theme or on a fully custom design tailored to the brand's identity.
The cost of building a Shopify store depends on the project scope — the number of products, the level of theme customization, required integrations, and functional requirements. Pricing is prepared individually after a consultation where business goals and store expectations are discussed.
The cost depends on several factors, such as the number of products, third-party integrations, and the scope of design changes. Pricing is prepared individually after a consultation where the store's specific needs and requirements are assessed.