E-Commerce Development Built to Convert — Not Just Display Products
Fast, mobile-first online stores for Orange County businesses that need a storefront that earns trust, loads fast, and makes buying easy — not just a product grid slapped on a template.
Get a clear scope & rangeIs this a fit?
E-commerce development works best when the goal is a serious online store — not just adding a buy button to an existing site.Small to mid-size product catalog
Under 500 SKUs with a need for a professional, fast storefront. WooCommerce or a custom Shopify theme depending on your requirements.
Migrating from a slow or outdated store
Moving from a generic Shopify free theme, a broken WooCommerce setup, or an old Magento install that's become a liability.
Mobile-first buying experience
If most of your customers are on their phones and your current store makes checkout painful, a rebuilt mobile experience directly impacts revenue.
Core Web Vitals and store performance
Slow stores rank lower and convert less. If your PageSpeed score is in the red, a performance-first rebuild pays for itself quickly.
Thousands of SKUs or enterprise scale
Large-scale e-commerce with complex inventory, multi-warehouse, or marketplace integrations is a different scope — one that requires a dedicated e-commerce platform team.
Launch in under a week
A properly built store takes time. Rushing a checkout and payment integration is where mistakes happen. If the deadline is extremely tight, we need to scope accordingly.
You want a fully managed platform
Shopify handles hosting, updates, and PCI compliance out of the box. If you want zero infrastructure management, a Shopify-native setup (not custom WooCommerce) may be the smarter call.
Investment & scope
E-commerce builds are scoped by platform, catalog size, and integration complexity. All projects start with a discovery call.Starter
Simple store setup — up to 25 products
- WooCommerce or Shopify setup
- Mobile-first product layout
- Payment gateway integration
- Performance pass before launch
Typical timeline: 2–3 weeks
Business
Full custom store — most popular
- Up to 100 products
- Custom theme (no off-the-shelf template)
- Reviews, trust signals, and UX focus
- Search Console + analytics setup
Typical timeline: 4–6 weeks
Growth
Complex catalog or integration-heavy store
- 100–500 products
- CRM or ERP integration
- Custom product filtering
- Extended QA + staging handoff
Typical timeline: 6–10 weeks
Platform choice (WooCommerce vs. Shopify) is decided during discovery based on your catalog, team, and long-term needs — not personal preference.
A slow or confusing store is leaving money on the table
E-commerce performance and UX are directly tied to revenue. Here's what I focus on.Fast product pages that don't lose buyers
Every second of load time costs conversions. I optimize images, reduce render-blocking resources, and build product pages that feel instant on mobile.
Mobile checkout that actually works
Over 60% of e-commerce traffic is mobile. Tap-friendly product grids, readable descriptions, and a checkout flow with zero friction on a small screen.
Trust signals built into the store
Reviews integration, clear return policies, secure payment badges, and product photography display — the elements that turn browsers into buyers.
Services that support real results
Websites perform best when design, SEO, and speed are planned together — not added later.Serving local businesses with Web Design in Southern California.
Web Development
Custom‑built websites focused on performance, clean code, and conversion‑ready structure — not bloated templates.
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Search Engine Optimization
SEO strategy built around real search intent — technical foundations, content structure, and local visibility.
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Website Optimization
Speed, Core Web Vitals, and technical cleanup — focused on better performance, rankings, and conversions.
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Serving Southern California
Based in Orange County — available throughout greater Los Angeles, the Inland Empire, and San Diego.Orange County
Los Angeles
Inland Empire
Southern California
What Clients Say
5.0 stars · 21 Google reviews — trusted by healthcare, professional services, and growing businesses.Should other opportunities arise calling for a knowledgeable and trusted web developer/designer, I would definitely reach out to Mitch (MJM Designz). Trust level is high. I am so happy with Mitch’s service in making my website come to fruition (amorabis.com). Family, friends, and coworkers highly praised the amazing results of my website. Thank you!
MJM did an amazing job designing and optimizing my Shopify Apparel Shop! The design looks professional and the SEO’s are fixed. He saved me a lot of time and energy optimizing my website, so I can focus on other aspects of my business. He also taught me a couple very helpful tools I can use in the future. I highly recommend using his design services.
I was very happy with MJM Designz! Five star to all the steps, design, communication and launch. Always on time and very friendly. This company has a deep knowledge of web development and IT. If you like to be the owner of your website, this is it! They don’t take anyone’s website as hostage and let you choose and buy your own host. MJM offers great deals for maintenance as well. Very reasonable and honest.