Top-Rated
Europe's top eCommerce developers, 2025.
+94 Satisfied clients
Shopify Development Services
Scale faster with a Shopify store development built for higher conversion and up to +50% revenue growth
Talk to foundersGet free estimation in 24h
120+
Successfully completed projects
97%
Satisfied clients
3+
Years average collaboration duration
20+
Countries served
Why us
Shopify Store Development Services by Stellar
We help eCommerce brands grow their Shopify and Shopify Plus stores through high-performance development, flexible architecture, and conversion-focused user experiences. We integrate ERP, CRM, and automation systems that help reduce manual operations by up to 50% and scale business processes with minimal technical risks.
Official Partners and Professional Expertise
4.9Based on 50+ verified customer reviews
Hyvä Partner
Certified partner for fast Magento frontends
Amasty Partner
Verified Magento extensions partner
Top-Rated
Top Rated Plus - Highest-tier agency on Upwork
Top-Rated
Top Rated Plus - Highest-tier agency on Upwork
Top-Rated
Top Customer Software Developers, Europe 2025
ISO Certified
ISO 270001 Certified for data security and protection
Adobe Partner
Official Adobe Commerce ecosystem partner.
Top-Rated
Top Shopify Software Developers, Europe 2024
SERVICES
Our Core Shopify Services
End-to-end Shopify development services covering custom store development, integrations, optimization, maintenance, and scalable eCommerce growth.
Shopify Store Development
We build stores for brands that need a reliable eCommerce solution to drive growth and expansion into new markets.
Shopify Website Development Services
We develop Shopify websites with well-structured architecture, essential functionality, and user experiences designed for effective sales.
Shopify Theme Development
We design custom solutions and tailor Shopify themes to match brand identity, business requirements, and conversion goals.
Shopify App Development
We implement public and custom Shopify apps, as well as features and integrations that extend platform capabilities.
Shopify Plus Development
We develop Shopify Plus solutions for high-growth brands, complex eCommerce operations, and long-term scalability.
Shopify Migration Services
We migrate stores from Magento, WooCommerce, and other platforms to Shopify while preserving data, SEO performance, and customer experience.
E-commerce Platforms Expertise
Ecommerce Platforms Our Company Works with
Shopify and Shopify Plus
Shopify is a convenient platform for quickly launching an ecommerce store, while Shopify Plus is designed for fast-growing brands that need scalability and enterprise-level features.
Magento (Adobe Commerce)
A powerful platform for large ecommerce projects with complex catalogs, integrations, and a need for deep customization.
WooCommerce
A flexible solution for businesses on WordPress that allows for quick online store launches and scaling through a large ecosystem of plugins.
Salesforce Commerce Cloud
We implement enterprise solutions on Salesforce Commerce Cloud for large brands, providing deep CRM integrations, personalization, and omnichannel sales.
Industries
Our Core Shopify Development Services
A full range of development services for eCommerce brands, from store creation and custom solutions to integrations, optimization, and migration.
eCommerce Strategy
We shape the technological and growth vision for your store, define store development priorities, and create a roadmap for business scaling.
Shopify Architecture
We design flexible store architecture that supports integrations, feature expansion, and increasing traffic loads while maintaining high performance.
Customer Experience
We optimize the customer journey, storefront structure, and brand interactions to improve the digital store experience.
Custom Store Development
We develop functionality, business logic, and solutions tailored to the unique needs of brands.
Systems Integration
We connect Shopify with ERP, CRM, payment services, and 3PL providers to build a unified retail ecosystem.
Performance Optimization
We improve store speed, Core Web Vitals, and technical stability to drive higher conversion rates and sustainable growth.
Case studies
Some of the Work We're Most Proud Of
From eCommerce to fintech, our clients span 20 countries and every project is different.
High Fashion Demands High Speed: Cultnaked’s Technical Reboot
How Stellar cut Shopify load time to under 2 seconds, increased conversions by 25%, reduced manual work by 40%, and helped drive 20% sales growth.
+25%
Conversion rate
-40%
Manual work+20%
Sales growth
Refactoring the AfterCart Shopify App: From Manual Theme Coding to Native App Blocks
AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.
3
Master Products200+
Price VariantsMINIMAL
Install Support
Why Bioma's Billing Lives Outside Magento - And How We Still Shipped in 2–3 Months
Peak season was 2–3 months away and the subscription store wasn't live yet. See how Stellar built it on Magento with Chargebee billing.
2–3 mo
Launch completed on timeDAY 1
Full commerce flow liveGREEN
Core Web Vitals under peak load
Sculptural Design, Flawless Speed
How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.
GREEN
Green Core Web VitalsMajor
Lighthouse Gains3
Markets, One Process
87% Mobile Traffic and Nearly €1M in Gross Sales: How We Rebuilt Hey Holy's Shopify Frontend
Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.
14,588
Quiz Engagement78.23%
Returning Customers2.5%
Mobile Performance
Every Product Sells Once
How we optimized a London antique retailer's Magento 2 store - custom analytics, faster search, −22% order processing time and +18% ROAS. 8-year partnership.
+18%
ROAS−22%
Order processing time10+
Hours saved weekly
How We Migrated Baketivity to Shopify Plus and Rebuilt Its Subscription Ecosystem
How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.
~65%
Returning customers1 min
0 Data Loss$
Custom Subscriptions
Shopify Horizon Migration: How King of Christmas Reduced Hardcoding and Achieved Content Autonomy
How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.
4.8
Trustpilot rating130K+
Customer reviews0
Downtime
Green Zone for an Online Pharmacy: How We Migrated Chemist4You to Hyvä Themes Without Downtime
See how Stellar moved a UK online pharmacy to Hyvä Themes, upgraded Magento to 2.4.7-p1, and hit Google's green Core Web Vitals - with zero downtime.
4.8
Trustpilot rating130K+
Customer reviews0
Downtime
What`s next?
Get a free tailored Estimate and Growth Plan - contact us today and receive a customized plan for your business, with a demo available to preview.
Jack Ananchenko
CEO and Co-founder
Vladimir Gubarev
COO and Co-founder
Enterprise Solutions
Advanced Capabilities
We implement intelligent solutions that help online stores personalize customer experiences, optimize development costs, and support sustainable growth.
Why us
Why Companies Choose Shopify Development Services by Stellar
We build solutions for launching, scaling, and optimizing online stores.
We build solutions for launching, scaling, and optimizing online stores.
01
eCommerce-First Thinking
We treat Shopify as a strategic tool for increasing sales, improving customer loyalty, and supporting long-term business growth.
02
Built Around Your Business
We tailor store solutions to your business model, internal processes, and strategic goals.
03
Long-Term Growth Partnership
We support ecosystems at every stage of business growth, from launch to scaling and process optimization.
04
Focus on Business Outcomes
We evaluate every technical decision based on its impact on revenue, customer experience, and business efficiency.
System Integration
Custom Shopify Development Process
A comprehensive approach to building stores that ensures stable operations and a predictable delivery process.
Our team
A Team that Transforms Ideas Into Business Assets
80+
Specialists
Our specialists combine deep technical expertise with a business-oriented approach to create e-commerce platforms that drive revenue growth.
Vladimir Gubarev
Co-founder, COO
Jack Anachenko
Co-founder, CEO
Bogdan Grymalo
Head of Partnership
Evgeniya Chilikina
Head of Shopify Department
Ruslan Kozyrenko
Shopify Team Lead
Dmytro Romanenko
Shopify Team Lead
Sofia Sukhyna
Head of Design Department
Yana Kalnysh
Lead UI/UX, Product Designer
Yulii Morozov
Backend Team Lead
Vladyslav Briukhanov
Frontend Team Lead
Artem Herasko
WordPress Team Lead
Victoriia Kovalchuk
QA Team Lead
0 of 0
Technologies and frameworks
Technology Stack Behind Our Shopify Solutions
We use modern technologies and tools to develop, optimize, and maintain high-performance and stable platforms.
Ecosystem
ShopifyShopify Plus
HydrogenMarketsFrontend
Liquid
JavaScript
TypeScript
React
Next.jsApps & APIs
Admin APIStorefront APIGraphQLApp BridgeShopify Functions
Integrations
ERPCRMPayments3PLPIM
Analytics & CRO
GA4GTMClarityShopify Analytics
Cloud & DevOps
AWS
Google Cloud
Azure
Cloudflare
GitHubClients Who Trust Us with Development
We help companies build and grow solutions focused on stability, efficiency, and business results.
netparcel
sigma
a&g
pineapple
bering
cultnaked
lock
nila
heyholy
webloft
lgfgClient Feedback
Client Reviews About Their Collaboration Experience
Discover how our solutions help overcome technical barriers, maintain system reliability, and implement innovations that drive sales growth.
4.9
Overall Review Rating
Annika Rahm
Co-Founder at HEY HOLY, an eCommerce pet brand
5.0
Three Years of Reliable Delivery
Stellar has supported our Shopify store for two years, building backend functionality and custom tools. They’re fast, responsive, and reliable.
Matthew Burleton
Creative Director at Long Story Short
5.0
Built on Clarity and Speed
Stellar impressed us with clear, fast communication and a well-structured process, especially when deadlines were tight and quick decisions were critical.
Dimitry Toukhcher
CEO, LGFG Fashion House
5.0
Stellar transformed our sales processes, streamlining operations and automating manual work to save significant time and improve the overall customer experience.
Kelwin Fernandes
Owner at NILG.AI
5.0
Stellar stood out among five shortlisted companies with a detailed, transparent plan and pricing strategy. Jack also provided clear guidance and valuable insights.
Yousef Jaikat
Shopify & eCommerce Expert, Owner at Digitalebox.de
5.0
Stellar’s Shopify expertise and ability to deliver advanced custom solutions reflect strong technical skills and a focus on scalable, high-quality eCommerce.
Rebecca Wilson
Director of Marketing at Cooper Mountain Technologies
5.0
They bring a positive attitude and use their expertise to improve projects beyond the brief, considering key factors like SEO, responsiveness, and overall quality.
Tim Ito
Co-owner, Marketing Nice Guys
5.0
They consistently deliver on time and within budget, follow through on commitments, and stay proactive with communication - even when clients are slow to respond.
Ready to move your business to a platform that improves conversions and sales performance?
FAQ
Frequently Asked Questions
Is Shopify suitable for complex projects and large online stores?
001.When should you move to Shopify Plus?
002.What processes can be automated with Shopify?
003.Can Shopify be integrated with ERP, CRM, and other systems?
004.What is headless Shopify used for?
005.How does Shopify impact SEO and search visibility?
006.Can custom functionality be implemented on Shopify?
007.How does migration to Shopify from Magento or WooCommerce work?
008.How does Shopify help improve conversion rates and user experience?
009.What determines the cost of store development?
010.Blog
