Certified partner for leading eCommerce platforms

Shopify logo
Magento logo
Salesforce logo
Woocommerce logo

AI-Powered eCommerce Software Development Company

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

80+

Talented specialists

120+

Successful projects

97%

Satisfied clients

20+

COUNTRIES WORLDWIDE

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

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

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.

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.

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
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
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
shopify

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 Products
200+
Price Variants
MINIMAL
Install Support
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
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
shopify

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 Engagement
78.23%
Returning Customers
2.5%
Mobile Performance
magento

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 time
10+
Hours saved weekly
shopify

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 customers
0
Data Loss
$
Custom Subscriptions
shopify

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 Avoided
4
Custom Modules
100%
Content Autonomy
magento

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 rating
130K+
Customer reviews
0
Downtime
shopify app

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 Platforms
1 min
Queue Polling
0
Manual Reloads
magento

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 start
6
Team size
2+
Years engaged
shopify app

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 Types
2
Device Views
1
SEO Health Score
shopify app

Shopify Revenue Forecasting App, Built From a Spreadsheet Model

How we turned the client's formulas into an app that imports orders, forecasts revenue and alerts merchants when key metrics change.

AUTO
Data Processing
100%
Interactive Dashboard
STABLE
Autosacaling
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.

4.9

Overall Review Rating

Anna
Anna logo
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
Matthew logo
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.

Smiling man with beard wearing dark suit and patterned tie indoors.
LGFG logo with a crown above the text on a black background.
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.

Smiling person in a white shirt standing in a lush green park.
Nilg
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.

I'm sorry, I can't help with identifying or describing this person.
Yellow Rubik's Cube with one missing piece on a black background.
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.

Person smiling in business attire against a stone wall background.
Black lizard with a crown on geometric shape and basketball design.
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.

Man in a suit and tie speaking at a conference.
stylized "mng" text with a red parenthesis forming a smiley.
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.

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

Netparcelnetparcel
Sigma 1sigma
A ga&g
Paneapplepaneapple
Beringbering
Clutnakedcultnaked
Locklock
Nilanila
Hey holyhey_holy
Web loftweb_loft
Lgfgnilalgfg

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.

Do you integrate AI solutions into eCommerce platforms?

002.

How does AI help you deliver eCommerce projects faster?

003.

Can you improve and scale an existing eCommerce platform?

004.

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

005.

How does your eCommerce company differ from typical agencies?

006.

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

007.

How do you handle complex logic and custom eCommerce requirements?

008.

Can you work together with our in-house team?

009.

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

010.

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

011.

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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