Shopify & Web Development
Fast, scalable storefronts and web platforms built by senior engineers.
Slow, bloated storefronts quietly kill conversion rate. We build custom Shopify themes and headless Next.js storefronts engineered from the ground up for speed, clean code, and long-term maintainability — so your site is still fast, and still yours to build on, three years from now.
95+
Avg. Core Web Vitals score
60%
Avg. page speed improvement
100+
Storefronts shipped
Everything this service covers.
Custom Shopify theme & app development
Fully custom Shopify themes built for your brand — not a modified template — plus custom app development when off-the-shelf apps can't do what you need.
Headless commerce (Next.js + Shopify)
For brands that have outgrown standard Shopify themes, we build headless storefronts on Next.js with Shopify as the commerce backend — maximum speed and flexibility.
Marketing website design & development
Fast, SEO-friendly marketing sites and landing pages built on modern frameworks, designed to convert and easy for your team to update.
Speed & Core Web Vitals optimization
Image optimization, code splitting, and render-blocking cleanup to hit strong Core Web Vitals scores — which affects both conversion and Google rankings.
Third-party integrations & custom APIs
Clean integrations with ERPs, CRMs, loyalty platforms, subscription tools, and any custom API your business depends on.
Ongoing maintenance & technical support
Monthly maintenance, security updates, and a support line for bugs or new feature requests — so the site keeps working long after launch.
The impact you can expect.
We build custom Shopify storefronts, headless commerce solutions, and marketing websites engineered for speed, scale, and conversion — with clean architecture your team can grow on for years, not months.
Faster load times, higher conversion
Every extra second of load time costs conversion rate — our builds are engineered for speed from day one.
Code your team can actually build on
Clean, documented architecture means future developers — ours or yours — can extend the site without a rebuild.
Fewer app-stacking slowdowns
We build custom functionality natively where it matters, instead of stacking a dozen third-party apps that each add load time.
Built to handle scale
Architecture that holds up under traffic spikes — product drops, Black Friday, viral moments — without breaking.
How we deliver this service.
Discovery & scoping
We define technical requirements, integrations, and a clear project scope before writing any code.
Design & prototype
Design mockups and interactive prototypes are reviewed and approved before development begins.
Development & QA
Build in weekly sprints with staging previews, followed by rigorous cross-device and performance QA.
Launch & support
A zero-downtime launch plan, followed by ongoing maintenance and technical support.
Concrete deliverables, not vague promises.
Every engagement comes with clear, tangible outputs — so you always know exactly what you're getting and when.
- Technical scope & sitemap documentation
- Custom Shopify theme or headless storefront
- Core Web Vitals optimization report
- Integration documentation for connected systems
- Post-launch maintenance & support plan
Common questions about shopify & web development.
Shopify theme or headless — which do we need?
Most growing brands do well on a custom Shopify theme. Headless (Next.js + Shopify) makes sense once you need capabilities standard themes can't deliver — highly custom UX, multi-brand storefronts, or very high traffic.
How long does a typical build take?
Custom Shopify theme builds typically take 4–6 weeks; headless storefronts and complex integrations run 8–12 weeks depending on scope.
Do you migrate existing stores?
Yes — we handle full migrations from other platforms to Shopify, or theme rebuilds on Shopify, with a plan to preserve SEO rankings and historical data.
What happens after launch?
Every build includes a defined post-launch support window, with ongoing maintenance retainers available for ongoing updates and feature requests.
Other ways we can help.
Ready to build your growth engine?
Tell us about your business and we'll map out exactly where TechMayGun can move the needle — no obligation.