Payments & Billing
We integrate payment gateways and billing systems into a unified eCommerce infrastructure, ensuring reliable payment processing, seamless checkout experiences, and automated financial operations.
Scale faster with a <2s load speed eCommerce platform built for performance, integrations, and growth.
Certified Engineers
Countries with Active Clients
Average Development Experience
We deliver eCommerce development services for businesses that need more than a standard online store. Instead of adapting your operations to fit existing software, we build systems around your workflows, connecting CRM and ERP platforms, payment providers, shipping services, and marketplaces into one streamlined ecosystem.Our development approach to eCommerce solutions is focused on what matters most: performance, usability, and room to grow. We create commerce solutions that provide a smooth shopping experience, support increasing traffic and sales volumes, and give businesses the flexibility to evolve without being limited by their technology.
ERP & CRM Integrations
We synchronize eCommerce platforms with business systems, payment services, shipping providers, and analytics tools.
Built for High Traffic
We create scalable architectures that ensure stable eCommerce platform performance, even during peak traffic periods.
Custom B2B & Marketplace Logic
We develop complex eCommerce solutions, including B2B functionality, multi-vendor marketplace platforms, subscription models, and custom business workflows.
Proven experience in building high-performance IT products.
Our team is available immediately, with no delays related to hiring or onboarding.
Expand your team by 5+ engineers within 1–2 weeks.
We build eCommerce solutions tailored to your business processes, integration requirements, performance goals, and long-term development needs.
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We design eCommerce architectures aligned with your business model, integration requirements, and growth plans:
Analyze business processes and customer journeys;
Plan online store structure and system modules;
Build scalable architectures that support future expansion and ongoing development;
Define integration strategies and data exchange workflows.
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Real eCommerce business challenges and the custom development approaches we use to address them effectively.
Your current eCommerce platform limits business growth.
Difficulty scaling sales, launching new features, and adapting the system to support company growth.
We build scalable eCommerce solutions designed for long-term growth without critical technical limitations.
Your internal team spends too much time on manual processes.
Operational inefficiencies, order errors, and slower store performance.
We automate eCommerce workflows and integrate CRM, ERP, payment services, and logistics into a unified ecosystem.
The commerce platform slows down as traffic increases.
Lost orders, lower conversion rates, and a poor customer experience.
We optimize performance and design architectures built for high-traffic environments.
Off-the-shelf eCommerce solutions do not fit your business requirements.
Limited functionality, complex workarounds, and costly customizations.
We develop eCommerce logic tailored to operational processes, B2B workflows, and marketplace business models.
New features and updates take too long to launch.
Reduced business agility and slower response to market changes.
We build modular development architectures that enable faster commerce platform development and feature deployment.
The commerce platform is not prepared for business growth and market expansion.
Expensive system refactoring as the company grows and enters new markets.
We create scalable digital ecosystems that support long-term business development and expansion.
We connect core business systems and services into a unified eCommerce ecosystem, helping streamline operations, improve data flow, and support commerce platform development and scalability.
We integrate payment gateways and billing systems into a unified eCommerce infrastructure, ensuring reliable payment processing, seamless checkout experiences, and automated financial operations.
We integrate eCommerce platforms with CRM, ERP, and internal business systems to automate operations, centralize data, and support business scalability.
We connect logistics providers, fulfillment services, and sales channels to enable centralized management of orders, shipping, and operational workflows.
We implement AI-driven personalization, customer analytics, and automation tools to support business development and growth: enhance the commerce experience, increase conversions, and improve customer retention.
We develop custom eCommerce solutions that combine seamless user experiences, efficient operational management, and complex business logic to support sustainable company growth and long-term development.
We create eCommerce experiences focused on fast purchasing, personalization, and higher conversion rates - from intelligent search and loyalty programs to optimized checkout flows.
We develop back-office systems that support operational efficiency and future business development.
We implement advanced B2B and marketplace functionality, including custom pricing models, vendor management, approval workflows, account hierarchies, and automated business operations.
We build custom eCommerce solutions that help companies streamline operations, support business development, improve the customer experience, and grow without being held back by technology.
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We build eCommerce platforms that can grow with your business, so you don't have to deal with expensive rebuilds, commerce platform restrictions, or endless workarounds as your needs evolve.
By connecting your CRM, ERP, payment providers, logistics, and internal tools, we create a unified ecosystem that reduces repetitive tasks and keeps operations running smoothly.
Whether you need a B2B commerce platform, a marketplace, subscription functionality, custom pricing rules, or unique workflows, we develop solutions that fit your business instead of forcing your business to fit the software.
We improve user journeys, streamline checkout flows, and optimize ecommerce platform performance to create faster, smoother shopping experiences that help drive more sales.
We help businesses solve more than technical challenges. From scaling operations and improving efficiency to customer retention, automation, and growth planning, we bring practical eCommerce expertise to every project.
Our team has hands-on experience building, improving, and scaling eCommerce solutions, helping businesses create better shopping experiences, streamline operations, and support long-term growth.





















We use modern technologies to build secure, reliable, and high-performing eCommerce solutions that are designed to scale with your business.
Ecommerce Platforms
Shopify Plus
Adobe Commerce / Magento
WooCommerce
Headless Commerce
Custom Ecommerce Platforms
Frontend Development
React
Next.js
Vue.js
TypeScript
Backend & APIs
Node.js
Nest.js
Laravel
Python
REST
GraphQL
Payments & Integrations
Stripe
PayPal
Klarna
CRM
ERP
Logistics APIs
Marketplace Integrations
Cloud & Infrastructure
AWS
Google Cloud
Docker
Kubernetes
CI/CD
Analytics & Growth
GA4
GTM
Klaviyo
AI Personalization
Customer Analytics
The team quickly understood our goals and translated them into practical solutions. Their ability to adapt and move fast made the collaboration smooth and highly productive.

Joseph F.
Ozeaon | Portugal

Joseph F.
Ozeaon | Portugal
The team delivered exactly what we needed — high-quality solutions and smooth collaboration from start to finish.

Alex L.
Wavory | Cyprus

Alex L.
Wavory | Cyprus
Responsiveness and dedication to delivering high-quality services were outstanding.

Maria А.
ARGUNOVA | Ukraine

Maria А.
ARGUNOVA | Ukraine
Zentix helped us build and launch our e-commerce platform with great attention to detail. The team was responsive, professional, and easy to work with throughout the entire process.

Amir B.
Servicom | Sweden


Amir B.
Servicom | Sweden

They delivered great results and provided useful support throughout the project.

Andrey H.
Bestclevers | Ukraine

Andrey H.
Bestclevers | Ukraine
Zentix delivered their development work on time, which was an excellent start for the client. The team worked in sprints, updated the client weekly, and delivered tasks on schedule.

Andrew R.
RaDevs | Estonia


Andrew R.
RaDevs | Estonia

When do Shopify or WooCommerce stop being enough for digital commerce?
Standard eCommerce platforms like Shopify and WooCommerce work well in the early stages, but as a business grows, limitations often start to appear. When you need B2B functionality, custom pricing, unique business logic, or deep integrations with CRM, ERP, and logistics systems, off-the-shelf solutions can begin to hold your business back. In these cases, custom development services become necessary to support the specific needs of your online store.
How can you tell when your ecommerce platform needs to be scaled or rebuilt?
Common signs include slow website performance, difficulties with further development, reliance on temporary workarounds, and rising maintenance costs. If even small changes require significant effort, order processing becomes problematic, or performance declines as traffic grows, it may be time to modernize the architecture or move to a more flexible system.
Can you integrate our online store with existing CRM, ERP, and logistics systems?
Yes. Integration is one of our core areas of expertise. We connect digital commerce solutions with CRM, ERP, warehouse management, and logistics systems. This helps automate order processing, synchronize product and inventory data, and ensure all business operations work together seamlessly. The result is a unified ecosystem without duplicated data or manual processes.
How do you ensure ecommerce platform stability during high traffic and peak sales periods?
Stability comes from a well-designed architecture, database optimization, caching strategies, and cloud commerce infrastructure. We identify potential bottlenecks, optimize website performance, streamline checkout processes, and improve API efficiency. This allows the platform to handle traffic spikes during promotions, seasonal peaks, or marketing campaigns without performance issues.
Can a digital commerce platform be improved gradually without a complete rebuild?
Yes, provided the ecommerce platform is built on a modular architecture. This development approach allows individual components to be upgraded over time, while new features and integrations can be added without rebuilding the entire system. For example, the user interface can be improved or new functionality introduced without disrupting store operations. This reduces risk, simplifies implementation, and enables steady product evolution.
How do you approach B2B eCommerce and marketplace development?
B2B eCommerce platforms and marketplaces require more complex functionality than traditional online stores. We implement custom pricing models, multi-level account structures, order approval workflows, support for multiple suppliers, and role-based access management. We also design processes that support interactions between vendors, buyers, and administrators while automating operations and order management within a single system.
What does post-launch digital commerce support include?
Launching the ecommerce platform is only the beginning. Ongoing support services include bug fixes, system updates, performance improvements, and feature enhancements. We also work with analytics, user experience optimization, checkout improvements, integrations, and business logic updates as your company evolves and new requirements emerge.
How do you help improve conversion rates and customer experience?
We analyze user behavior, identify where customers abandon the buying journey, and optimize the most important touchpoints. As part of our optimization services, we pay special attention to navigation, product discovery, product pages, and checkout flows. We also use analytics to improve store structure and create a smoother, more intuitive shopping experience.
Will we be able to expand our online store into new countries and sales channels in the future?
Yes, as long as scalability is built into the architecture from the start. We design solutions that support multiple markets, languages, currencies, and sales channels. This makes it possible to launch in new countries, connect to marketplaces, or add additional storefronts without rebuilding the ecommerce platform, while maintaining a centralized commerce infrastructure.
How do you protect payments, customer data, and business operations?
Security is built through secure payment gateways, data encryption, access controls, and API protection. Particular attention is paid to safeguarding customer information, transactions, and order data. We also implement modern security practices to minimize risks and ensure the reliable operation of the eCommerce platform.
Open a new chapter in your business growth with our mobile apps.