+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 we moved retail and trade to Shopify Plus on native B2B, no custom backend - B2C on schedule, trade portal a month later.
How we rebuilt the storefront, split the EU and US into separate stores, and set up Shopify Markets for Europe - without pausing orders.
How we rebuilt the store on Online Store 2.0, simplified checkout, and automated inventory and marketing with NestJS, Klaviyo and Zapier.
How we moved the widget to App Blocks and pre-built insurance variants - so merchants self-install and protection reaches the cart instantly.
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.
How we moved Côte&Ciel's three Shopify storefronts out of the PageSpeed red zone without pausing sales.
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.
How we rebuilt search, performance and analytics on a live Magento 2 store, cutting order processing time by 22% and lifting ROAS by 18%.
A new theme, rebuilt subscriptions and ClassWallet payments - with every customer, order and subscription carried over.
How we moved a hardcoded Dawn theme to Horizon and metaobjects - so the marketing team updates menus, banners and promotions on its own.
How we rebuilt the storefront on Hyvä, upgraded Magento to 2.4.7-p1, and rebuilt the prescription consultation engine - with zero downtime.
How we moved a legacy monolith to async Laravel queues so sellers manage Amazon orders right in Shopify.
How our six-person team builds market-specific checkout logic, maintains REST API integrations, and ships fixes without putting live sales at risk.
We built a free Shopify app that checks storefront pages, scores their SEO health, and turns findings into practical next steps.
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 three 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
CEO and Co-founder
From eCommerce to fintech, our clients span 20 countries and every project is different.
How we moved retail and trade to Shopify Plus on native B2B, no custom backend - B2C on schedule, trade portal a month later.
How we rebuilt the storefront, split the EU and US into separate stores, and set up Shopify Markets for Europe - without pausing orders.
How we rebuilt the store on Online Store 2.0, simplified checkout, and automated inventory and marketing with NestJS, Klaviyo and Zapier.
How we moved the widget to App Blocks and pre-built insurance variants - so merchants self-install and protection reaches the cart instantly.
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.
How we moved Côte&Ciel's three Shopify storefronts out of the PageSpeed red zone without pausing sales.
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.
How we rebuilt search, performance and analytics on a live Magento 2 store, cutting order processing time by 22% and lifting ROAS by 18%.
A new theme, rebuilt subscriptions and ClassWallet payments - with every customer, order and subscription carried over.
How we moved a hardcoded Dawn theme to Horizon and metaobjects - so the marketing team updates menus, banners and promotions on its own.
How we rebuilt the storefront on Hyvä, upgraded Magento to 2.4.7-p1, and rebuilt the prescription consultation engine - with zero downtime.
How we moved a legacy monolith to async Laravel queues so sellers manage Amazon orders right in Shopify.
How our six-person team builds market-specific checkout logic, maintains REST API integrations, and ships fixes without putting live sales at risk.
We built a free Shopify app that checks storefront pages, scores their SEO health, and turns findings into practical next steps.
