<eCommerce>

eCommerce software development

Your eCommerce platform is just the beginning. We build what powers it.

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BSC
StoreFeeder
Evyon
WorkLife
PayD

<eCommerce software solutions>

The best eCommerce goes unnoticed. It just works!

But if your growth is outpacing your tools, or errors keep piling up, it may be time to build something that fits your business.

eCommerce software development

Growth

Entering new markets or channels requires architecture that scales with your business model, not just handles more traffic.

Integrations

When systems like ERP, WMS or CRM don’t connect properly, data gets out of sync, and workflows break. Clean, well-tested integrations solve that.

Manual work

Spreadsheets and manual input usually mean your system is missing logic that should be automated.

Performance

During campaigns and seasonal peaks, performance depends on efficient code, solid infrastructure, and smart caching, so it’s best not to rely on luck.

Workarounds

If everyday tasks rely on plugins or scripts, your platform is likely missing built-in logic, and it’s worth replacing them with maintainable code.

Bottlenecks

When features take too long to launch, the platform structure may be the issue. Modularising parts of the system makes change faster and safer.

Flexibility

As business models evolve – B2B, subscriptions, regional flows – your platform should adapt without a full rebuild.

<Who we build for>

eCommerce isn't one-size-fits-all. Neither is our software.

We work with teams that deal with real-world complexity, across different sectors and sales models:

Retail & omnichannel

Retail & omnichannel

Managing stock across stores, warehouses, and online channels in one system.

B2B platforms

B2B platforms

Supporting complex pricing, customer-specific catalogues, and approval flows.

Machinery & equipment

Machinery & equipment

Managing technical product data, spare parts, and regional shipping rules.

Furniture & installations

Furniture & installations

Enabling product configuration and specialised delivery without extra tools.

Tourism & leisure

Tourism & leisure

Combining bookings, product-like flows, and real-time availability in one place.

Other industries

Other industries

We also work with fashion, beauty, electronics, and home & garden – anywhere standard platforms fall short.

Make your eCommerce software match your business

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<Our expertise>

We focus on the technical foundation of eCommerce

mCommerce app

B2C & B2B store builds

We implement stores with role-based pricing, customer-specific views, approval workflows, and logic tailored to how you sell.

Marketplace development

We cover the gaps most platforms leave out: vendor onboarding, split checkout, custom dashboards, and operational control.

UX & mobile-first design

Our interfaces are based on data and tested for conversion, retention, and speed across devices.

mCommerce apps

We build reliable mobile shopping – native and cross-platform apps – fully integrated with your business logic.

Modern architecture

We design modular, service-based systems that are easier to test, deploy, and evolve without taking your entire store offline.

Engineering & delivery

Custom frontend and backend in modern stacks (.NET, Node.js, React, Angular, Vue), built for long-term maintainability and supported by CI/CD, testing, and reviews from day one.

Integrations

We don’t just call APIs. We map edge cases, monitor data flow, and ensure critical systems like ERP, WMS, and couriers work as one.

<eCommerce integrations>

Your platform is as strong as its connections

We ensure every system, from ERP to courier APIs, works together reliably and intelligently.

ERP & WMS sync

ERP & WMS sync

Pull stock levels, order updates, and shipment info in real time. Automatic data flow eliminates manual errors and ensures visibility from warehouse to storefront.

Marketplace & channel integration

Marketplace & channel integration

Connect directly to Amazon, eBay, Shopify, Magento, and more, syncing listings, orders, inventory, and pricing across every sales channel.

Carrier management platform & shipping automation

Carrier management platform & shipping automation

Integrate with multiple carriers through unified APIs and platforms – automating label generation, tracking, returns, and error handling. Shipments stay centralised, monitored, and easy to manage.

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Cross-border & customs data

Implement HS-code lookup, duty/tax calculation, and compliance rules for international shipments using partners like Hurricane Commerce.

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Accounting & analytics feed

Connect to Sage, QuickBooks, Xero, BI tools, and reporting systems, ensuring financial data, sales trends, and KPIs stay synced without double entry.

Payment gateways

Payment gateways

Secure integrations with payment systems like Recurly, Stripe, PayPal, Sage, PayU, and Worldpay.

<Our services>

Find the solution your eCommerce needs

Staff augmentation

Staff augmentation

Quickly scale your in-house team or bring in missing skills with experienced developers. We understand eCommerce inside out – from checkout logic to complex system integrations.

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Software development

Software development

From concept to fully customised eCommerce platforms, our developers, UX/UI designers, testers, and project managers deliver solutions shaped to how your business works.

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Technology consulting

Technology consulting

For strategic guidance, our CTO brings hands-on experience in complex eCommerce builds. We’ll help you make technical decisions that improve performance, stability, and long-term growth.

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<Our offer>

Partner with us for smarter eCommerce software

From retail and B2B platforms to custom integrations and mobile apps – we help eCommerce companies deliver smoother operations, better performance, and the flexibility to grow.

10+ years in eCommerce

10+ years in eCommerce

We deliver complex eCommerce systems with expert teams, proven processes, and deep integration experience.

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Business-aware engineering

Our engineers and architects build with your workflows in mind, not just the features, but how they affect operations and outcomes.

Structured onboarding

Structured onboarding

We start with a clear plan, defined roles, and realistic milestones – your team knows exactly what to expect and when.

Built for ROI

Built for ROI

Every decision balances cost, scalability, performance, and security, so your investment pays off long term.

Proven in complexity

Proven in complexity

We are experienced in working with multi-region platforms, layered pricing, legacy integrations, and custom business rules.

Technology consulting

Tech leadership included

Our CTO brings 20+ years of corporate experience and stays involved – from early scoping to technical decisions.

Meet the team that speaks your eCommerce language

Talk to engineers and architects who understand your challenges.

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<Case studies>

Explore our projects and see what we can achieve for you

<Customer testimonials>

See what our clients have to say

"We couldn't have done what we've done without the Happy Team. It's expertise, passion, and knowledge. It's really helped us deliver to Royal Mail and helped us grow as a business."
Brian WilliamsonManaging Director, StoreFeeder

<Our latest articles>

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Ready to improve how your eCommerce runs?

Let’s talk about what’s slowing you down and how we can help.

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FAQs
Find answers to common questions about our eCommerce solutions. If you need more details, please feel free to get in touch!

What does eCommerce software development actually cover?

It depends on your setup. We build the backend systems that power online sales – from checkout logic and customer roles to ERP, WMS, and courier integrations. Sometimes it means extending your current platform; sometimes, it’s building core systems from scratch.

How do I know if we need custom eCommerce software?

If your team works around the system instead of with it – using spreadsheets, plugins, or manual steps to fill gaps – you’ve likely outgrown your current tools. Custom eCommerce software helps you automate, scale, and reduce friction across operations.

We’re not sure what we need. Can you help figure it out?

Yes, that’s often how CTO as a Service (CTOaaS) projects begin. We’ll look at how your current setup works, where the friction is, and what improvements would bring the most value. Then we build a realistic plan focused on your business goals.

Can you work with our current platform (like Shopify or PrestaShop)?

Yes, we often do. We can add features, improve performance, or connect it with your other systems. If the platform starts holding you back, we can help you replatform without disrupting daily operations.

Do you handle both B2B and B2C eCommerce software development?

We do, and many clients blend both. Whether it’s customer-specific pricing, approval flows, or managing DTC alongside wholesale, we design eCommerce software that supports the way you sell.

Can I start with an MVP or just one module?

Absolutely. A targeted integration or single module is often the best way to start. It solves a real problem quickly and builds from there.

Can you take over a project someone else started?

Yes, we’ve done that many times. We begin with a code and process review, then outline how to move forward without disrupting your team or your store.

Will development affect our live store or day-to-day operations?

We aim for zero disruption. Whether adding features or replacing outdated systems, we plan rollouts carefully to keep your eCommerce business running smoothly.

Do you offer staff augmentation services?

Yes. If you need experienced engineers who understand eCommerce software development, we can join your team remotely, full-time or part-time, and get up to speed quickly.

How does team onboarding and project kick-off work?

Once scope and priorities are clear, we onboard fast. We get familiar with your stack, tools, and workflows so we can start delivering results quickly.

How long does a typical project take?

A simple integration can take a few weeks. A full system might take months. We give you a realistic timeline upfront based on the scope.

What’s the value of mCommerce, and is a native app worth it?

A well-built mobile app increases retention, purchase frequency, and loyalty. Features like push notifications, offline mode, and saved preferences often justify the investment, especially in sectors with high customer return rates.

How do you ensure security in eCommerce software development?

We build security in from day one: encrypted data, secure coding, regular testing, and ongoing monitoring.

How do I choose the right eCommerce platform?

It depends on how you sell and what systems you need to connect. We’ll help you decide between SaaS, open-source, or fully custom with tech-agnostic advice based on your long-term needs.

Custom, SaaS, or open source – which model is best for us?

There’s no universal answer. We look at your business model, existing tools, and growth plans to recommend the best-fit approach.

How can I stand out in a crowded eCommerce market?

Great UX, fast performance, and personalisation matter – but what also makes a difference is software that fits how you work. That’s what we build.