Explore our portfolio. Discover how we help brands scale architecture, automate retail workflows, and improve shopping experiences.
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Real-world examples of e-commerce platforms and digital tools built to handle high user loads, optimize conversion funnels, and support business operations.
Denmark
How we rebuilt the storefront, split the EU and US into separate stores, and set up Shopify Markets for Europe - without pausing orders.
UK
How we moved retail and trade to Shopify Plus on native B2B, no custom backend - B2C on schedule, trade portal a month later.
Ukraine · USA
How we rebuilt the store on Online Store 2.0, simplified checkout, and automated inventory and marketing with NestJS, Klaviyo and Zapier.
Ukraine · Estonia
We built a free Shopify app that checks storefront pages, scores their SEO health, and turns findings into practical next steps.
France
How we moved Côte&Ciel's three Shopify storefronts out of the PageSpeed red zone without pausing sales.
Germany
We came in to temporarily cover for the lead developer and stayed on to support the brand’s eight Shopify stores. We introduced a unified release process and built a custom discount app.
Lithuania
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.
EU
How we moved a legacy monolith to async Laravel queues so sellers manage Amazon orders right in Shopify.
Germany
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.
UK
How we rebuilt the storefront on Hyvä, upgraded Magento to 2.4.7-p1, and rebuilt the prescription consultation engine - with zero downtime.
UK
How we rebuilt search, performance and analytics on a live Magento 2 store, cutting order processing time by 22% and lifting ROAS by 18%.
USA
How our six-person team builds market-specific checkout logic, maintains REST API integrations, and ships fixes without putting live sales at risk.
Netherlands
How a redesign for NLPG's Masterbook store became a full frontend migration - with third-party modules adapted, business logic intact, and launch on the planned date.
USA
How we moved the widget to App Blocks and pre-built insurance variants - so merchants self-install and protection reaches the cart instantly.
USA
A new theme, rebuilt subscriptions and ClassWallet payments - with every customer, order and subscription carried over.
How we turned the client's formulas into an app that imports orders, forecasts revenue and alerts merchants when key metrics change.
Canada
How we optimized the frontend, backend and SQL queries, upgraded MySQL to 8.4, and unified 10+ carrier integrations without disrupting merchants.
Italy
How we kept Microsoft AX prices and stock in sync across Selena Group's European stores and added Italy without disrupting the ones already selling.
Germany
The client created the concept in Claude, and we adapted it into a custom WordPress theme while preserving the URL structure and SEO metadata.
Spain
The layout did not match the custom theme, and rewriting the theme was not an option. Now, The Beauty Insighter website runs without errors, the team updates it without a developer, and the catalog a
USA
For 4 years, we've supported the WordPress site of an international RF equipment manufacturer. When technical debt began complicating maintenance, we ran an audit, cleaned up code and plugins, and moved to PHP 8.
USA
Our team implemented AI-powered call evaluation with speaker diarization, automatic identification of 8 call types, and script compliance checks based on 10+ criteria. The company achieved 100% coverage instead of selective monitoring, consistent evaluation rules for all reps, and $150K–180K in annu
USA
How we modernized World Jewish Travel: moved the legacy WordPress platform to WP Engine, upgraded PHP, built a three-site Multisite with synced content and translations, added AI itinerary planning, redesigned the brand, and launched holylandtravel.ai.
USA
We integrated an AI assistant into the World Jewish Travel WordPress website that creates personalized travel itineraries and generates AI videos or podcasts for them. We also developed a mobile app and a content generator that follows the brand’s style.
USA
How we fully rebuilt Golden State Urology’s WordPress site on top of its live version, adding a unified design system and a new mobile layout while keeping all existing pages and content. Medical information is now easier to read on both smartphones and desktops.
UK
How we redesigned Albert Bow's website around its new brand guidelines with a custom WordPress theme, an extended Loxo CRM integration and AI filtering for Mailchimp.
Top-Rated
Europe's top eCommerce developers, 2025.
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 27001 Certified for data security and protection
Adobe Partner
Official Adobe Commerce ecosystem partner.
Top-Rated
Top Shopify Software Developers, Europe 2024
Discover how our solutions help overcome technical barriers, maintain system reliability, and implement innovations that drive sales growth.
5.0
Overall Review Rating
“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.
Co-Founder at HEY HOLY, an eCommerce pet brand
“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.
Creative Director at Long Story Short
Stellar transformed our sales processes, streamlining operations and automating manual work to save significant time and improve the overall customer experience.
CEO, LGFG Fashion House
Stellar stood out among five shortlisted companies with a detailed, transparent plan and pricing strategy. Jack also provided clear guidance and valuable insights.
Owner at NILG.AI
Stellar’s Shopify expertise and ability to deliver advanced custom solutions reflect strong technical skills and a focus on scalable, high-quality eCommerce.
Shopify & eCommerce Expert, Owner at Digitalebox.de
They bring a positive attitude and use their expertise to improve projects beyond the brief, considering key factors like SEO, responsiveness, and overall quality.
Director of Marketing at Cooper Mountain Technologies
They consistently deliver on time and within budget, follow through on commitments, and stay proactive with communication - even when clients are slow to respond.
Co-owner, Marketing Nice Guys
Tell us what you are building and we will help you shape the next step.
Let's discuss your goals, platform requirements, and the fastest path to launch
Vladimir Gubarev
COO and Co-founder
Jack Ananchenko
CEO and Co-founder
