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Custom eCommerce Development Services

Since 2013, our eCommerce business, design and development services have been helping businesses reach their goals with platform and custom solutions. With our custom solutions, you get modular, easy-to-upgrade code that can evolve together with your business. We also make sure you receive an efficient solution without the bloat or obsolete features – all at a lower total cost of ownership than platform solutions.

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Let’s Discuss Your Needs

eCommerce Development Services We Provide

We’re helping companies achieve their goals by designing, developing, and supporting unique e-commerce apps and websites. Here’s how we do it:

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Each company has its own unique business processes and needs. We tailor solutions to them – and to specific customers’ expectations.

Tailor-Made Solutions

Our web developers and designers come together to craft an intuitive, modern, and accessible UI and UX for your custom eCommerce solution.

Excellent UX/UI Development

As the technology, your business, and customers’ needs evolve, so can your solution – thanks to our easy-to-upgrade, scalable architecture design.

Sustainable Architecture Design

We include powerful analytics features that deliver actionable insights and allow you to make data-driven decisions throughout your solution’s life cycle.

Full Analytics Support

Our expert developers deliver error-free, modular, performant code for the front-end and back-end
of your solution.

Front-End & Back-End Development

We can deploy your solution to any cloud provider, including Amazon Web Services (AWS), Google Cloud Storage (GCS), and Microsoft Azure.

Cloud App Deployment

Our eCommerce experts are here to advise you on how to make your idea a reality, improve an existing eCommerce product, and grow your platform.

Complete Integration Services

We integrate your solution with other software already in use, making it work seamlessly as a part of your ecosystem.


Tell Us About Your Project

Our eCommerce Development Solutions

As a digital agency and an eCommerce development company, we deliver the following solutions to our clients:

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Customized Platform Online Stores

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Custom Online Stores

Custom M-Commerce Solutions

Make the most out of your chosen eCommerce platform (Shopify, WooCommerce, etc.) with custom web design solutions and enterprise system integrations.

Avoid the limitations of off-the-shelf solutions with custom store building. Our custom stores come with excellent UI/UX design, smooth integrations, and top-notch technologies.

Launch a custom mobile app with smooth UI/UX, high performance, and rich functionality to drive sales.

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Cloud Solutions

Enterprise eCommerce Solutions

eCommerce Migration

Improve your solution’s performance and reliability by deploying it in the cloud (AWS, Google Cloud Storage, or Microsoft Azure).

Use our enterprise eCommerce development services to build, expand, and modernize ERP, inventory management, and analytics systems.

If your business has outgrown your current platform or technologies, we can help you select a more suitable stack for your solution – and migrate it without a hitch.

Our Successful Cases

We’ve already helped multiple startups and established businesses harness the power of eCommerce.

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Veterinary Apparel Company

Use our enterprise eCommerce development services to build, expand, and modernize ERP, inventory management, and analytics systems.

Learn more >


Key service:

custom enterprise eCommerce development (web, mobile, backend)



Stripe, Strapi, Tailwind, Next JS, React, Shipstation, Algolia, Brightpearl

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ERP, inventory management system, custom eCommerce website

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Veterinary Apparel Company expects a 10% increase in website users thanks to our super-performant, well-integrated cross-platform solution.



Developing a successful MVP for a newborn premium sunglasses brand.

Learn more >

Key service:

eCommerce website development services (Shopify)


HTML/CSS, JavaScript, Shopify Liquid


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a customized Shopify online shop integrated with Google Analytics, Bajio ERP system, and email services

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the startup shows steady sales growth as it enters its third year of operations

Technologies We Work With

Based on your needs, we’ll help you find the right technology stack for your project. Our toolkit includes:

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Process of eCommerce Software Development

At Calder we have an established process to ensure smooth collaboration:

Client Testimonials

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Why Choose Calder for eCommerce Software?

At Calder we employ a cross-disciplinary approach to eCommerce development; it’s the cornerstone of our process. We combine expertise in eCommerce business, design, and technology to deliver high-quality solutions that drive businesses forward every single time.

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Related Articles About eCommerce Development

Looking for eCommerce insights drawn from real-world, hands-on experience? We share what we’ve learned from our eCommerce development services and design in our case studies:

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How to create e learning website

Learn more >

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The full guide to on demand app development

Learn more >

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Remore patient monitoring: an integral part of the Telehealth Industry

Learn more >

Frequently Asked Questions

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  • What are the benefits of custom eCommerce development services?
    Compared to platform solutions, custom eCommerce applications and websites come with six key benefits: Lower total cost of ownership Greater control over the feature set Better performance without the bloat Better scalability Full ownership of the codebase Seamless integration with other software
  • How long does custom eCommerce software development take?
    The project duration depends on its complexity – which, in turn, is determined by your business needs and goals. If you would like to know how long your particular eCommerce project will take, don’t hesitate to reach out to us. We’ll help you estimate its timeline and budget.
  • Can I use an eCommerce website for any type of business?
    Yes. As long as your business sells goods or services, you can (and should) use an eCommerce website to drive more customers. However, its functionality will differ based on the products you offer.
  • How can a web development company help you with eCommerce?
    If you plan to open an online shop, an eCommerce development company can help you create a one-of-a-kind store with outstanding user experience and design. If you already have an online shop, a development company can help you improve, migrate it to a different platform, redesign it, or debug it.
  • What are the stages of eCommerce software development?
    Like any custom development project, creating an eCommerce product from scratch involves seven stages: Gathering background information about the business, market, and customers Determining the scope of the project Pinpointing the project’s budget and timeline Engineering requirements, pinpointing the technology stack, and planning the architecture Designing wireframes and prototypes Transforming the design and functionality requirements into code, with continuous testing Deployment, support, and maintenance
  • Which CMS is the best choice for e-commerce website solutions?
    Every content management system, from Shopify to Salesforce Commerce Cloud comes with its pros and cons. In general, small businesses find Shopify to be the best choice, while custom solutions suit both large enterprises and SMEs.
  • How do I choose the right custom eCommerce development company?
    First, compare your candidates’ portfolios. An ideal development partner should have cases similar to yours in their portfolio. Also, check the company’s reviews and ratings on platforms like Clutch and GoodFirms. Finally, contact the company and see how it approaches your project.
  • Why outsource eCommerce development services?
    Outsourcing development allows you to take advantage of advanced skills and engineering trends at a lower overall cost than maintaining an in-house team. At the same time, you can focus your resources on core business operations (sales, marketing, product development).
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Contact Us

Ready to delve into custom eCommerce software development? Drop us a line to tell us about your needs and wants – and we’ll tell you how we can be of service.

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