Expert E-commerce development services for complex, custom-built platforms

We help organizations launch and evolve E-commerce platforms and online stores that go beyond simple carts, integrating memberships, ticketing, subscriptions, and vendor workflows into scalable, high-performing systems.

Awards

4

x

Faster checkout experience after redesign

30

%

Boost in online membership conversions

2,5

k

Bookings processed weekly through the platform

Custom E-commerce development services that fit your business

We approach E-commerce development with flexibility – building from the ground up, integrating into existing web and mobile apps, or extending established platforms like Shopify, WooCommerce, BigCommerce, Adobe Commerce (Magento), OpenCart, Shopware, and more.

image services 2

End-to-End Custom Development

We build fully custom online stores using modern frameworks and best practices, tailored to your infrastructure and business logic.

E-commerce Functionality Integration

We embed E-commerce functionality into current websites or mobile apps working within your tech stack and maintaining continuity across the UX.

Improvements & Customization

We tailor off-the-shelf platforms like Shopify and WooCommerce with custom themes, backend logic, and third-party integrations to match your exact requirements.

E-commerce Platform Migration

We migrate legacy e-commerce systems to modern platforms preserving data, SEO structure, and functionality while minimizing downtime and risk.

Lifecycle Support & Maintanance

We enhance your E-commerce platform post-launch through structured support, regular updates, and service-level agreements that ensure responsiveness and uptime.

Delivering the right functionality for seamless digital commerce

We implement essential and advanced E-commerce features that ensure smooth operations, secure transactions, and better user experiences.

product catalog

Product Catalogue

Structured product listings with filters, custom logic, and inventory visibility.

internal search

Fast, relevance-ranked search with autocomplete and filtering capabilities.

Payment Processing

Payment Processing

Checkout with Stripe, PayPal, Apple Pay, Google Pay, Braintree, Adyen, and Klarna, and more.

Shipping Solutions

Shipping Solutions

Integrations with major carriers like DHL, DPD, FedEx, and UPS with real-time updates.

Third Party Integrations

Third-Party Integrations

Connected workflows via CRM, ERP, fulfillment, and marketing tool integrations.

Customer Accounts

Customer Accounts

Account creation, order history, saved payment methods, and complete order tracking.

Analytics Reporting

Analytics & Reporting

Custom dashboards and event tracking for conversion, revenue, and funnel insights.

Fraud Prevention

Fraud Prevention

Secure payment flows, address verification, and transaction monitoring.

Multi Channel Readiness

Multi-Channel Readiness

Unified inventory and checkout across web, mobile, and in-person sales.

We build the E-commerce infrastructure behind unique business models

A tech partner that understands commerce beyond the cart

real world

Real-World Operational Insight

We’ve built platforms for YMCAs, museums, and multi-venue organizations. We know how to handle complex memberships, timed ticketing, and real-time inventory.

technical

Tailored Technical Execution

From custom Shopify builds to fully bespoke E-commerce layers, we choose the stack, architecture, and logic that align with your business. Not the other way around.

support

Reliable, SLA-Backed Support

90% of our work is long-term. We don’t disappear after launch. We monitor, maintain, and improve your platform with guaranteed response times.

process

Collaborative, Low-Friction Process

We work closely with internal teams, respect existing workflows, and bring clarity to multi-stakeholder projects. No bloated decks, no surprises, just delivery.

30M people impacted through digital products and solutions we've built

$500

K+

Handled in secure transactions every month

15

k+

Tickets sold through improved purchase paths

99.9

%

Uptime across integrated e-commerce systems

A process built for E-commerce that doesn’t fit the mold

We bring structure to complexity. Our approach is built for organizations with moving parts, layered operations, and E-commerce needs that go far beyond a standard cart.

Step 1

Process:

We dive deep into your operational model – memberships, bookings, inventory, donations – and map out technical requirements based on stakeholder interviews, workflows, and platform goals.

Result:

You walk away with a clear, aligned project scope, technical direction, and a shared understanding of how your business will be translated into digital infrastructure.

E-commerce discovery process E-commerce strategy workshop Requirements gathering for online stores

Step 2

Process:

We define the platform architecture, plan integrations, model data structures, and wireframe user flows, ensuring every component reflects real business logic and platform flexibility.

Result:

You get a documented solution design that’s platform-ready, extensible, and validated across both technical and operational needs.

E-commerce platform design Custom E-commerce architecture E-commerce UX planning

Step 3

Process:

We implement your E-commerce platform with clean, scalable code, whether it’s a fully custom solution or built on a preferred framework, integrating all required third-party services, internal systems, and business logic.

Result:

You launch with a stable, secure platform that performs across devices and connects seamlessly to your payment gateways, CRM, inventory tools, and operational workflows.

Custom E-commerce development Third-party integrations for online stores E-commerce backend implementation

Step 4

Process:

We test everything – checkout logic, edge cases, mobile responsiveness, and speed – and manage your go-live to avoid disruptions, SEO loss, or broken data.

Result:

Your launch is smooth, your users are uninterrupted, and your internal team feels confident taking the platform live.
E-commerce QA and deployment E-commerce performance testing Checkout flow testing

Step 5

Process:

Post-launch, we stay involved – monitoring uptime, pushing updates, and iterating on performance or functionality based on usage and roadmap priorities.

Result:

You have a reliable partner providing SLA-backed support, long-term improvements, and peace of mind.

E-commerce maintenance and support SLA-backed development services long-term platform optimization

Technology stack that keeps evolving with every project

We work with proven and emerging E-commerce technologies, expanding our portfolio to match new business needs, integrations, and performance expectations. Our expertise spans multiple platforms, frameworks, and tools, allowing us to select the best fit for your project.

E-commerce Platforms

Shopify
woocommerce
bigcommerce
Magento
OpenCart
Shopware

Frontend Technologies

React 1
Vue.js logo 1
HTML
CSS
JavaScript

Backend Frameworks

Nodejs logo
Laravel logo
Symfony logo
PHP
Python logo
Ruby
Rails

Databases

PostgreSQL
MySQL
MongoDB

Integrations & APIs

REST API
graphql

Databases

AWS logo
Microsoft Azure logo
Google Cloud
docker
Kubernetes

We’ve helped partners, from startups to Fortune 500s, achieve their goals. Their feedback is our greatest reward!

Testimonials

Amy Kirst website

Throughout the migration process and beyond, Five Jars has been responsive to our needs.

Five Jars provided training documents and hosted an online training session to bring us up to speed and teach us how to use our new CMS. They provided rapid support and gave us multiple communication channels, so that we can use the tools that are most convenient for us. I look forward to working with the Five Jars team as we continue to refine our website.

Amy Kirst

Director of Marketing, George Washington's Mount Vernon, The Mount Vernon Ladies' Association

Jim Paro website

Their care and effort in the project most impressed us.

It was clear this wasn't just a project to check a box. Instead, they approached the project with an attitude that our success was their success. They were just as invested in the outcome as we were.

Jim Paro

Owner, The Paro Consulting Group

Their technical expertise and organized methods made the process smooth from start to finish.

Continuing to work with Five Jars on the ISSUE website has been a seamless and highly professional experience. Their team was responsive and efficient, helping us implement key enhancements that improved functionality and advanced user experience.

Sylver Wallace

Communications Director, ISSUE Project Room

Mike Dini

Automation that gives time back to what matters most – people.

We’re incredibly proud of this partnership and grateful for the ongoing collaboration with Five Jars. Our project exemplifies how smart systems can support human connection – and we’re excited for what’s next.

Mike Dini

Director of Communications and Marketing, The Neon Museum

Five Jars team was extremely responsive to our adjustments.

The team located a number of places where the functioning could be greatly improved that we had no idea of. They were able to talk to us in layman's terms; we understood everything that was being changed. We are very pleased with the project development, the launch, their ongoing development, and with the support, which has been consistently prompt and effective.

Nicholas Haslam

Program Manager for Lifemap Coaching, AANE

Let’s work together!

Excited to learn more about your ideas and goals.

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