Top-Rated
Europe's top eCommerce developers, 2025.
200+ 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.
Services
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.
Migrating Ca'Pietra From Magento to Shopify Plus With Native B2B
How we moved retail and trade to Shopify Plus on native B2B, no custom backend - B2C on schedule, trade portal a month later.
0
Days of Delay0%
Budget Overrun101,412
Accounts Migrated
Migrating BERING From Shopware to Shopify: ~20% Faster Storefront
How we rebuilt the storefront, split the EU and US into separate stores, and set up Shopify Markets for Europe - without pausing orders.
~20%
Faster Performance
2
Stores across multiple markets100%
Shipped under live traffic
Rebuilding Cultnaked's Store on Online Store 2.0: Under 2s Load
How we rebuilt the store on Online Store 2.0, simplified checkout, and automated inventory and marketing with NestJS, Klaviyo and Zapier.
+25%
Conversion rate-40%
Manual work+20%
Sales growth
Rebuilding a Shopify Shipping Protection App for Online Store 2.0
How we moved the widget to App Blocks and pre-built insurance variants - so merchants self-install and protection reaches the cart instantly.
3
Master Products200+
Price VariantsMINIMAL
Install Support
Building Bioma's Magento Subscription Store Before Peak Season
How we built Bioma's store in under 3 months by moving billing out of Magento - and turned it into a blueprint for future Kilo Health brands.
2–3 mo
Launch completed on time100%
Live from day oneGREEN
Core Web Vitals under peak load
Speeding Up Côte&Ciel's Shopify Stores: Up to +30 Lighthouse Points
How we moved Côte&Ciel's three Shopify storefronts out of the PageSpeed red zone without pausing sales.
~79%
Green Core Web Vitals+30
Lighthouse Gains3
Markets, One Process
Replacing Shopify Apps With Custom Frontend Logic for Hey Holy
How we built a breed-based quiz, calorie calculator and multi-discount cart on Web Components and Alpine.js - for a store where 87% of traffic is mobile.
14,588
Quiz Engagement78.23%
Returning Customers2.5%
Mobile Performance
8+ Years Supporting a London Antique Retailer on Magento 2
How we rebuilt search, performance and analytics on a live Magento 2 store, cutting order processing time by 22% and lifting ROAS by 18%.
+18%
ROAS−22%
Order processing time10+
Hours saved weekly
Baketivity: WooCommerce to Shopify Plus With Zero Data Loss
A new theme, rebuilt subscriptions and ClassWallet payments - with every customer, order and subscription carried over.
~65%
Returning customers0
Data Loss$
Custom Subscriptions
King of Christmas on Shopify Horizon: Updates Without a Developer
How we moved a hardcoded Dawn theme to Horizon and metaobjects - so the marketing team updates menus, banners and promotions on its own.
1,000+
Hours Avoided4
Custom Modules100%
Content Autonomy
Chemist4You on Hyvä: Core Web Vitals From Red to Green
How we rebuilt the storefront on Hyvä, upgraded Magento to 2.4.7-p1, and rebuilt the prescription consultation engine - with zero downtime.
4.8
Trustpilot rating130K+
Customer reviews0
Downtime
Two-Way Shopify-Amazon SP-API Sync Without Page Reloads
How we moved a legacy monolith to async Laravel queues so sellers manage Amazon orders right in Shopify.
2
E-Commerce Platforms1 min
Queue Polling0
Manual Reloads
Engineering a Multi-Market Magento 2 Checkout for Ergobaby
How our six-person team builds market-specific checkout logic, maintains REST API integrations, and ships fixes without putting live sales at risk.
2024
Partnership start6
Team size2+
Years engaged
Stellar SEO App: A Free Shopify Audit with Clear, Prioritized Fixes
We built a free Shopify app that checks storefront pages, scores their SEO health, and turns findings into practical next steps.
5
Page Types2
Device Views1
SEO Health Score
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.
Jack Ananchenko
Co-founder, CEO
Vladimir Gubarev
Co-founder, COO
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 three 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
