200+ satisfied clients

Software Development Services

Build, scale, and modernize digital products with software, eCommerce, and engineering expertise.

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Get a free estimate within 24 hours

75%
Clients increase sales
120
Successfully delivered projects
3+
Years average client engagement
20
Countries Worldwide
Three Girteka branded trucks parked under a clear blue sky.
Model posing in strapless top and dark pants on Cultnaked website homepage.
Computer monitor displaying Chemist4U website homepage with pharmacist and search bar.
Three Girteka branded trucks parked under a clear blue sky.
Model posing in strapless top and dark pants on Cultnaked website homepage.
Computer monitor displaying Chemist4U website homepage with pharmacist and search bar.
Why us

Stellar IT Development Services

We automate business processes, eliminate routine operations, and create scalable software solutions for business growth and improved company efficiency. We combine software engineering, integrations, and modern architectural approaches to improve company efficiency. We modernize legacy systems and design architectures for high-load systems. We create a stable technological foundation that minimizes the risks of technical failures and optimizes infrastructure maintenance costs.

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100+ implemented integrations

We connect ERP, CRM, payment systems, AI tools, and third-party services into a single digital ecosystem.

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High-Load Architecture

We create scalable and stable systems ready for product and user growth.

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Up to 2–3x faster feature releases

We help businesses launch new features, products, and digital initiatives faster.

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90+ in-house experts

A team of engineers, architects, designers, and product specialists for implementing complex enterprise and e-commerce solutions.

our services

Our Software Development Company Services

We create IT products, eCommerce platforms, and custom software solutions tailored to real business processes, workloads, and company goals.

We design scalable eCommerce platforms that help brands increase sales, improve customer experience, and build a technological foundation for scaling and operational efficiency.

3

Custom Software Development

4

Magento Development

5

IT Staff Augmentation

We will develop software that operates reliably under load and does not require unnecessary maintenance costs.


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Vladimir Gubarev

COO and Co-founder

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Jack Ananchenko

CEO and Co-founder

By submitting this form, you agree to our Privacy Policy and Terms & Conditions.

Software Development Process

We provide a full-cycle software development process: from software architecture for high-load systems to software integration with your internal platforms.

  • 01

    Discovery & Business Analysis

    We evaluate operational processes, existing infrastructure, key challenges, and growth goals to define the optimal technical strategy and software product roadmap.

  • 02

    Software Architecture & Planning

    We design the software system, optimize workflows, and select the technology stack according to business requirements, expected workloads, and long-term growth.

  • 03

    Software UX/UI Design

    We create an intuitive user experience and interface logic that simplifies interaction with the software product, improves usability, and optimizes daily workflows.

  • 04

    Development & System Integrations

    We develop software solutions, integrate ERP, CRM, payment services, AI tools, and external platforms, ensuring a stable and scalable ecosystem.

  • 05

    QA, Performance & Security Testing

    We test software security and performance to ensure reliable system operation under high loads and during product scaling.

  • 06

    Launch, Support & Scaling

    We minimize downtime risks, provide post-release software support, and help evolve the software architecture and functionality.

Technologies and frameworks

Technology Stack for Software Development

We use modern tools and solutions to develop stable and scalable digital products.

Front-end

ReactNext.jsAngularVueNuxt

Back-end

PHPLaravelSymfonyJavaSpringNest.jsExpress.js

Mobile

React NativeFlutter

Databases

PostgreSQLMongoDBRedis

Cloud & Infrastructure

AWSGoogle CloudDockerKubernetesCI/CD

AI & Automation

OpenAI APILangChainAI Agents

APIs & Integrations

REST APIGraphQLWebhooksERP / CRM Integrations

Commerce Technologies

ShopifyShopify PlusMagentoWooCommerceHeadless Commerce
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

Our Clients

Companies for which we create software that improves process efficiency and supports business growth.

System Integration

Core Technology Capabilities

We implement software solutions that help businesses automate processes, connect systems, and scale products.

Ready to launch software that improves process efficiency and business results?


Professional man in a suit against a dark background.

Vladimir Gubarev

COO and Co-founder

Young man in a light blue shirt with a neutral expression.

Jack Ananchenko

CEO and Co-founder

By submitting this form, you agree to our Privacy Policy and Terms & Conditions.

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
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.
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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.
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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.
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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.
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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.

FAQ

Frequently Asked Questions

Can you rebuild an existing legacy system without stopping operations?

001.

How is fragmented software integrated with CRM, ERP, or other systems?

003.

How is communication and control over the software creation process run?

005.

How are your processes adapted for international clients and projects?

007.

What experience do you have implementing high-load & enterprise projects?

002.

How do you ensure code security and compliance with tech regulations?

004.

What services do you provide for product support after official release?

006.