+94 SATISFIED CLIENTS
We build scalable eCommerce websites that load up to 60% faster and are optimized to drive sales growth.
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120+
successfully completed projects
95%
satisfied clients
90+
professionals on the team
20+
countries served
We build eCommerce websites around how customers search for, choose, and buy products, including complex product scenarios. From the start, you can see that our understanding of eCommerce goes beyond design or standard development: every visit becomes a smooth and compelling path to purchase. That’s why we design websites where customers can easily find and choose products, complete their orders quickly, and shop comfortably from any device.
Development and ongoing growth of your eCommerce project at every stage.
We develop the customer-facing side of your website with clear navigation, responsive pages, and consistent user flows.
We build flexible catalogs for complex product ranges, variants, bundles, and non-standard product selection scenarios.
We build a clear, streamlined cart and checkout process, reducing unnecessary steps before payment.
We give marketing teams the tools to update content, create pages, and launch campaigns independently.
We optimize website performance for fast loading, smooth interactions, and a seamless shopping experience.
We enhance existing eСommerce websites by removing functional limitations, updating components, and adding new customer journeys without rebuilding the entire site.
We identify exactly what’s slowing your eCommerce website’s growth and remove those limitations one by one.
Challenge
Risk
Solution
Sales don’t grow in proportion to your investment in traffic.
Customer acquisition costs increase, while the ecommerce website fails to reach its full commercial potential.
We analyze the customer journey and improve the catalog, product pages, cart, and checkout to reduce drop-offs.
Marketing can’t launch promotions, collections, and new pages quickly.
The company falls behind on seasonal campaigns and loses potential sales.
We create flexible sections and templates for the ecommerce website, allowing your team to manage content and launch campaigns independently without constant developer involvement.
The website structure doesn’t reflect the complexity of the products or how customers choose them.
Customers struggle to understand the offering or configure the product they need.
We implement well-designed PDPs, filters, comparison tools, configurators, bundles, and other product logic.
The mobile experience is slow or makes purchasing difficult.
The business misses out on orders from a significant share of its mobile audience.
We optimize performance and the mobile customer journey, from product search to checkout and payment.
Every website update requires more time and budget.
Technical limitations slow down the growth of the eCommerce channel.
We build a modular structure that can be expanded with new pages, features, and customer journeys without constant redevelopment.
The team can’t see where or why customers leave the website.
UX and functionality decisions are made without reliable data.
We set up tracking for key actions to identify the stages with the highest drop-off rates and prioritize improvements.
From eCommerce to fintech, our clients span 20 countries and every project is different.
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.
AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.
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.
How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.
Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.
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.
How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.
How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.
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.
We build effective eCommerce websites and related digital solutions based on strong technical expertise, seamless integrations, and a focus on long-term business growth.
We build effective eCommerce websites and related digital solutions based on strong technical expertise, seamless integrations, and a focus on long-term business growth.
One eCommerce Team
We bring UX specialists, developers, QA engineers, and analysts together to work on the customer journey, ensuring that design and functionality are aligned and support business goals.
Data Before Decisions
We use GA4, heatmaps, and funnel analytics to identify actual customer drop-off points and make informed decisions about priorities for CRO and website development.
Integration-Ready Expertise
Having done in excess of 100 integrations, we are well placed to make the connection between ERP, CRM, PIM and payment systems as well as delivery and marketing platforms in any but the most c
Quality Beyond Launch
As for quality assurance, we see that through the development phase, we put performance to the test and supply the necessary documentation. Once a product has been launched we will be on hand for tw
Our end-to-end eCommerce development covers the full process—from business goals and customer journey design to launch, performance analysis, and ongoing website improvements.
We study the business model, audience, catalog, and website goals to define development priorities and expected outcomes.
We design the customer journey, define functional requirements, and agree on the scope to establish the boundaries of the work, expected functionality, and acceptance criteria.
We create the structure, user flows, and prototypes for key pages and test the main search, selection, and purchase scenarios before development begins.
We develop the storefront and required functionality, connect external services, and demonstrate the results at each stage to ensure timely feedback.
We test functionality, checkout, speed, responsiveness, tracking, and integrations, then prepare the website for a controlled launch.
We analyze customer behavior and website performance after launch to identify priority CRO, UX, and performance improvements.
We use modern tools and solutions to develop stable and scalable digital products.
React
Next.js
Angular
Vue
Nuxt
PHP
Laravel
Symfony
Java
Spring
Nest.js
Express.jsReact Native
Flutter
PostgreSQL
MongoDB
Redis
AWS
Google Cloud
Docker
Kubernetes
CI/CD
OpenAI API
LangChain
AI Agents
REST API
GraphQL
Webhooks
ERP / CRM Integrations
Shopify
Shopify Plus
Magento
WooCommerce
Headless CommerceWe build custom eCommerce applications for online stores, digital brands, and SaaS platforms — helping automate operations, connect business systems, and support scalable growth.
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4.9
Overall Review Rating
Co-Founder at HEY HOLY, an eCommerce pet brand
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.
Creative Director at Long Story Short
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.
CEO, LGFG Fashion House
Stellar transformed our sales processes, streamlining operations and automating manual work to save significant time and improve the overall customer experience.
Owner at NILG.AI
Stellar stood out among five shortlisted companies with a detailed, transparent plan and pricing strategy. Jack also provided clear guidance and valuable insights.
Shopify & eCommerce Expert, Owner at Digitalebox.de
Stellar’s Shopify expertise and ability to deliver advanced custom solutions reflect strong technical skills and a focus on scalable, high-quality eCommerce.
Director of Marketing at Cooper Mountain Technologies
They bring a positive attitude and use their expertise to improve projects beyond the brief, considering key factors like SEO, responsiveness, and overall quality.
Co-owner, Marketing Nice Guys
They consistently deliver on time and within budget, follow through on commitments, and stay proactive with communication - even when clients are slow to respond.
Vladimir Gubarev
COO and Co-founder
Jack Ananchenko
CТO and Co-founder
From eCommerce to fintech, our clients span 20 countries and every project is different.
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.
AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.
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.
How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.
Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.
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.
How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.
How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.
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.
