Technical Shopify & Shopify Plus
For Agencies & Scaling D2C Brands.
Sub-second Liquid theme engineering, Storefront API headless Next.js architectures, and zero-downtime migrations. Built by Sneh and 18+ senior developers operating since 2012 with 30+ Shopify builds delivered. Dedicated white-label developer pods for Marketing, SEO, Creative, Branding, CRO agencies, and Ecom Consultants under 100% NDA. Explore our Sarla Sarees sub-second Liquid case study or check our Technical SEO Hub.
Verified Revenue Results.
Sub-Second Performance.
Every metric below is empirically audited. We engineer clean Liquid theme code and headless architectures that directly drive conversion rate and organic search ROI.
Sarla Sarees: Sub-Second Liquid Refactor for Global E-Commerce
Custom Shopify architecture, mobile-first UX, and long-term technical SEO schema nesting built for high-scale global expansion.
Six Core Disciplines We Drive
For Agencies & D2C Brands.
Every service is backed by fixed wholesale pricing, guaranteed SLAs, and 2026 performance standards—ensuring your store or client project scales effortlessly.
Bespoke Liquid theme development from Figma or PSD files. Shopify Plus B2B wholesale portals, Checkout Extensibility customization, and Shopify Scripts—built for high-volume brands needing sub-second performance. Avg 30-Day SLA.
Sub-500ms storefronts engineered with Shopify Hydrogen, Oxygen, and Storefront API GraphQL integrations. Maximum speed and control for agencies managing enterprise client requirements.
Seamless migration from Magento, WooCommerce, or legacy Shopify themes. 100% data integrity, zero downtime, and complete SEO URL redirect mapping.
We bridge Shopify with ERPs, CRMs, inventory systems, subscriptions (Recharge/Bold), and custom business logic via robust REST and GraphQL APIs without relying on slow third-party apps.
We eliminate app bloat, inline critical CSS, optimize WebP/AVIF media delivery, compress JavaScript execution, and guarantee sub-800ms LCP with 0 CLS without altering visual designs.
We optimize every user touchpoint: sticky slide-out cart drawers, one-click upsells, checkout extensibility friction reduction, and abandoned cart triggers that measurably increase AOV and ROAS.
Engineered for Agencies &
High-Growth D2C Brands.
Since 2012, founder Sneh and our 18+ in-house engineers have served as the silent development engine behind 30+ Shopify Plus stores. Built for seamless agency partner integration across Australia, UK, UAE, South Africa, Asia, and North America.
Strict bilateral NDAs and non-compete agreements. We operate silently using your agency domain email (`dev@youragency.com`), push unbranded Git commits, and grant your agency 100% code ownership.
We integrate natively into your workspace: Jira, Monday.com, ClickUp, Asana, Trello, Azure DevOps, Slack, Microsoft Teams, and Google Chat. Synchronous overlap for AEST, GMT, GST, SAST, SGT, and EST time zones.
Enterprise Git version control (GitHub/GitLab PR reviews, feature branching). Zero app-bloat policy, modular Liquid section architecture, and clean W3C-validated HTML5/CSS standards.
Rigorously tested across real iOS, Android, macOS, and Windows hardware. Cross-browser verification, WCAG 2.1 AA accessibility checks, and zero-downtime deployment via Shopify theme staging previews.
Strict security protocols: OAuth 2.0 app scoping, credential isolation, and input sanitization. Every build includes comprehensive technical documentation and unbranded Loom video SOPs.
60 days of complimentary post-launch bug coverage, flexible monthly retainers, theme/API version maintenance, and 24/7 paid emergency SLA support during peak traffic events (Black Friday / Cyber Monday).
Technical Architecture That
Maximizes Client ROI.
Slow Shopify stores destroy Google rankings and ad profitability. Our technical approach targets the Core Web Vitals metrics and AI citation models that directly scale brand revenue.
Test Your Store's SpeedSub-800ms Largest Contentful Paint (LCP), zero Cumulative Layout Shift (CLS), and low INP input latency via critical CSS inlining, WebP/AVIF media delivery, and script deferral.
Enterprise Shopify Plus experience—Checkout Extensibility, B2B wholesale logic, Shopify Hydrogen & Oxygen headless setups, and custom Liquid script refactoring.
Technical SEO awareness with nested JSON-LD entity graphs, clean canonical integrity, zero crawl budget waste, and structured content optimized for ChatGPT, Perplexity, and SearchGPT citations.
Mobile-first engineering tested on iOS Safari, Android Chrome, Desktop Safari, Chrome, Firefox, and Edge engines for zero layout shifts and smooth touch interactions.
Semantic HTML5 tags, ARIA roles, keyboard navigation, and contrast compliance. Built with modular, maintainable code quality and zero unnecessary app weight.
Conversion rate optimization mindset with sticky add-to-cart drawers, instant checkout flows, full GA4 ecommerce event tracking, GTM containers, Search Console index monitoring, and Microsoft Clarity heatmaps.
Shopify Plus vs WooCommerce
Strategic Architecture.
Selecting the correct platform foundation is critical for scaling. We engineer both Shopify and WordPress backends based on business model requirements.
Modern, Scalable,
Lightning Fast Stack.
Frequently Asked Questions.
Answered Factual & Clear.
Detailed answers regarding white-label delivery, NDA confidentiality, dedicated pods, QA protocols, speed optimization, and retainer support.
Ready to Scale Your
Shopify Storefront?
Join scaling D2C brands and 32+ digital agencies that use Zest Web Solutions as their silent technical growth engine. Free technical scoping and speed audits included for all new agency partners.