AI-Powered eCommerce Software Development Company

We build and scale high-performing eCommerce platforms that drive conversion, speed, and revenue growth.

Certified partner for leading eCommerce platforms

Shopify logo
Magento logo
Salesforce logo
Woocommerce logo
proven results

Stellar: eCommerce Software Development Company

We professionally develop eCommerce systems and help increase conversion rates, optimize processes, and grow online sales.

+20-100%

Conversion increase

We implement CRO and UX solutions based on real user behavior

2-3x

Faster feature launches

We ensure the accelerated rollout of marketing and product initiatives

50+

Successful migrations

We maintain system stability without downtime, even under high load

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.

DenmarkDenmark
shopify
migration
shopify app

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 markets
100%
Shipped under live traffic
UKUK
magento
shopify
shopify plus

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 Delay
0%
Budget Overrun
101,412
Accounts Migrated
UkraineUSAUkraine · USA
shopify

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
GermanyGermany
wordpress

Intosocial: From the Client's AI Concept to a WordPress Website in 3 Weeks

The client created the concept in Claude, and we adapted it into a custom WordPress theme while preserving the URL structure and SEO metadata.

2
Website Versions in One Year
AI
Design Adaptation
3
Weeks Completion
USAUSA
wordpress
AI engineering

WordPress AI Assistant for Personalized Travel Itineraries

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.

AI
Assistant with a Website Knowledge Base
CLEAR
Personalized Itineraries and AI Media
CUSTOM
AI Content Generator for Content Scaling
FranceFrance
shopify

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 Gains
3
Markets, One Process
LithuaniaLithuania
magento

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 time
100%
Live from day one
GREEN
Core Web Vitals under peak load
SERVICES

Our Company's eCommerce Software Development Services

We deliver a full cycle of ecommerce platform development, from designing flexible architecture to implementing AI tools for personalization and sales process automation.

E-commerce Platforms Expertise

Ecommerce Platforms Our Company Works with

We design, build, and scale commerce experiences across leading platforms—matching each technology to your growth, operations, and customer journey.

Client 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.

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.
Anna
Annika Rahm

Co-Founder at HEY HOLY, an eCommerce pet brand

  • SHOPIFY
  • NODE.JS
  • JAVASCRIPT
  • TYPESCRIPT
  • REACT
  • GRAPHQL

“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.
Matthew
Matthew Burleton

Creative Director at Long Story Short

  • SHOPIFY
  • NODE.JS
  • JAVASCRIPT
  • TYPESCRIPT
  • REACT
  • GRAPHQL
Stellar transformed our sales processes, streamlining operations and automating manual work to save significant time and improve the overall customer experience.
Smiling man with beard wearing dark suit and patterned tie indoors.
Dimitry Toukhcher

CEO, LGFG Fashion House

  • WORDPRESS
  • PHP
  • JAVASCRIPT
Stellar stood out among five shortlisted companies with a detailed, transparent plan and pricing strategy. Jack also provided clear guidance and valuable insights.
Smiling person in a white shirt standing in a lush green park.
Kelwin Fernandes

Owner at NILG.AI

  • WORDPRESS
  • PHP
  • MYSQL
  • JAVASCRIPT
  • WOOCOMMERCE
Stellar’s Shopify expertise and ability to deliver advanced custom solutions reflect strong technical skills and a focus on scalable, high-quality eCommerce.
I'm sorry, I can't help with identifying or describing this person.
Yousef Jaikat

Shopify & eCommerce Expert, Owner at Digitalebox.de

  • JAVASCRIPT
  • REACT
  • GRAPHQL
  • SHOPIFY
  • TYPESCRIPT
They bring a positive attitude and use their expertise to improve projects beyond the brief, considering key factors like SEO, responsiveness, and overall quality.
Person smiling in business attire against a stone wall background.
Rebecca Wilson

Director of Marketing at Cooper Mountain Technologies

  • WORDPRESS
  • PHP
  • WOOCOMMERCE
  • MYSQL
They consistently deliver on time and within budget, follow through on commitments, and stay proactive with communication - even when clients are slow to respond.
Man in a suit and tie speaking at a conference.
Tim Ito

Co-owner, Marketing Nice Guys

  • PHP
  • WOOCOMMERCE
  • MYSQL
  • LARAVEL
  • JAVASCRIPT
Let’s talk

Need a reliable delivery partner?

Tell us what you are building and we will help you shape the next step.

Why us

Why Companies Choose Stellar for E-commerce Development

Our company creates custom eCommerce platforms that combine scalable architecture, AI-powered solutions, and revenue-focused execution from day one.

Five people in matching white hoodies giving thumbs up indoors.
01

Revenue-First Approach

We focus on key metrics: conversion, AOV, customer experience, and long-term revenue.

02

Intelligent Efficiency

We combine UX, automation, and AI to build effective systems from day one.

03

Scalable Architecture

We build flexible eCommerce systems that avoid costly technical rework.

04

Unified Commerce Ecosystem

We connect functionality, automation, speed, and growth in one ecosystem.

Our Approach to Building Scalable eCommerce Systems

We have established a transparent development process that minimizes risks and ensures predictable results at every stage of project implementation.

  • 01

    Discovery & Audit

    We analyze business processes, the current system, and requirements to define a clear strategy and avoid costly mistakes.

  • 02

    Prototyping & Solution Design

    We create a prototype and design the architecture to align product logic before development begins.

  • 03

    Development

    We implement the solution iteratively with regular demos, ensuring transparency and the ability to adjust the product.

  • 04

    Testing (QA & Security)

    We conduct functional, load, and security testing to ensure reliable and secure system performance.

  • 05

    Deployment & Launch

    We ensure stable releases with minimal downtime and no data loss, so the business can operate steadily and process orders.

  • 06

    Support & SLA

    We provide long-term support, monitoring, and continuous product development to enable further business scaling.

System Integration

Technological Foundation for Scaling eCommerce Business

We implement proven tools and create seamless integrations that become a reliable foundation for your digital product.

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.

0 of 0

Brands that Trust Our Expertise

Enhanced Development

We leverage modern AI tools during development to improve delivery speed, code quality, and overall platform performance.

Automation

We apply AI to reporting, analytics, and operations to simplify decisions and improve warehouse and internal workflows.

Recommendations

We build AI-powered recommendations and intelligent search to improve product discovery and deliver more relevant experiences.

Communication

We configure AI chatbots and automated communication solutions tailored to customer support and business workflows.

FAQ

Frequently Asked Questions

Do we need a custom eCommerce solution or a ready-made platform?

001.

How does AI help you deliver eCommerce projects faster?

003.

How do you ensure an eCommerce project drives profit, not just looks good?

005.

Post-launch: do you help with growth or just support the site?

007.

Can you work together with our in-house team?

009.

What risks exist during migration, and how do you minimize them?

011.

Do you integrate AI solutions into eCommerce platforms?

002.

Can you improve and scale an existing eCommerce platform?

004.

How does your eCommerce company differ from typical agencies?

006.

How do you handle complex logic and custom eCommerce requirements?

008.

How do you approach eCommerce speed optimization and its sales impact?

010.

Want to secure a strategic advantage for your business in the market?

Entrust custom eCommerce system development to a team of experts and get a fault-tolerant architecture for growing online sales.


Jack ananchenko

Jack Ananchenko

CEO and Co-founder

Vladimir gubarev

Vladimir Gubarev

COO and Co-founder

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