Shopify Development by Prezneil MayandocShopify Development by Prezneil Mayandoc
Shopify DevelopmentPrezneil Mayandoc
Cover image for Shopify Development
CUSTOM SHOPIFY DEVELOPMENT
I provide enterprise-grade Shopify development for stores of all sizes. Our services include custom theme development, performance optimization, headless commerce, API integrations, and Shopify Plus solutions. We focus on increasing conversion rates, reducing load times, and eliminating technical debt.
WHO THIS SERVICE IS FOR
High-volume brands with slow load times or checkout issues
B2B wholesalers needing custom catalogs and net terms
Merchants migrating from WooCommerce, Magento, or BigCommerce
Agencies requiring white-label Shopify backend development
Startups launching subscription or multi-vendor stores
CORE DEVELOPMENT SERVICES
Custom Theme Development & Liquid Engineering Build custom themes from scratch or modify existing themes like Dawn or Shoptimized. Add dynamic sections, custom product templates, and JSON-LD structured data for SEO.
Headless Shopify Decouple your frontend using Hydrogen, Next.js, or Vue for sub-second page loads. Includes Storefront API integration and custom checkout UI for Shopify Plus.
Performance & Core Web Vitals Optimization Improve LCP to under 2.5 seconds. Remove render-blocking resources, implement image CDN with lazy loading, and achieve a 90+ Google Lighthouse score on mobile and desktop.
Custom App Development Build private apps for internal workflows like ERP or CRM sync. Develop public Shopify App Bridge apps for the Shopify App Store. Set up webhook integrations with 3PLs and PIMs.
Shopify Plus Specifics Implement checkout extensions, post-purchase pages, and Launchpad automation. Configure multi-currency and multi-language markets with geolocation redirects.
Data Migration & API Integration Perform zero-downtime migration of products, customers, orders, and reviews from platforms like Magento or WooCommerce. Sync with ERP systems via REST or GraphQL.
SERVICE PACKAGES
Starter Package: Theme customization up to 10 pages, 3 custom Liquid sections, 1 third-party API integration, basic performance audit, 30 days post-launch support. Price: 2,500 to 5,000 USD one-time.
Professional Package: Unlimited theme customization for one store, 10 custom Liquid sections, 3 third-party API integrations, advanced performance audit with Core Web Vitals fix, 90 days post-launch support. Price: 6,000 to 15,000 USD one-time.
Enterprise Package (Shopify Plus): Unlimited customization plus headless option, unlimited Liquid sections, unlimited API integrations plus ERP sync, continuous performance monitoring, SLA with 24/7 support and 1-hour response time. Price: 20,000 USD+ based on quote.
STANDARD DEVELOPMENT WORKFLOW
Discovery (1 to 2 days): Review existing store, analytics, speed metrics, and technical debt.
Staging Environment Setup: Isolated development store with Git version control.
Iterative Build (2 to 6 weeks): Weekly demos via Shopify Partner Preview.
QA & Browser Testing: Cross-browser testing on Chrome, Safari, Firefox plus mobile devices on iOS and Android.
User Acceptance Testing: Client tests checkout, payments, and email notifications.
Deployment & Go-Live: Zero-downtime launch with rollback plan.
Post-Launch Hypercare (14 days): Bug fixes and staff training on Shopify Admin.
DELIVERABLES
Fully documented code in a private GitHub repository
Shopify Partner account transfer or client ownership
6 months warranty on development bugs (excluding third-party apps)
SEO-friendly URL structure with automated sitemap.xml
Custom 404 page and abandoned cart recovery logic
Video tutorials for managing new custom features
COMPLIANCE & SECURITY
PCI DSS Level 1 compliant
GDPR and CCPA cookie consent implementation
Regular security scans for XSS and SQL injection on custom endpoints
Two-factor authentication enforcement on all staff accounts
Example work
Functional Nutrition Segment Shopify Store
Food Delivery Headless Shopify Storefront
Starting at$2,500
Duration2 weeks
Tags
Shopify
Shopify Hydrogen
Shopify Developer
Service provided by
Prezneil Mayandoc proQuezon City, Philippines
Shopify DevelopmentPrezneil Mayandoc
Starting at$2,500
Duration2 weeks
Tags
Shopify
Shopify Hydrogen
Shopify Developer
Cover image for Shopify Development
CUSTOM SHOPIFY DEVELOPMENT
I provide enterprise-grade Shopify development for stores of all sizes. Our services include custom theme development, performance optimization, headless commerce, API integrations, and Shopify Plus solutions. We focus on increasing conversion rates, reducing load times, and eliminating technical debt.
WHO THIS SERVICE IS FOR
High-volume brands with slow load times or checkout issues
B2B wholesalers needing custom catalogs and net terms
Merchants migrating from WooCommerce, Magento, or BigCommerce
Agencies requiring white-label Shopify backend development
Startups launching subscription or multi-vendor stores
CORE DEVELOPMENT SERVICES
Custom Theme Development & Liquid Engineering Build custom themes from scratch or modify existing themes like Dawn or Shoptimized. Add dynamic sections, custom product templates, and JSON-LD structured data for SEO.
Headless Shopify Decouple your frontend using Hydrogen, Next.js, or Vue for sub-second page loads. Includes Storefront API integration and custom checkout UI for Shopify Plus.
Performance & Core Web Vitals Optimization Improve LCP to under 2.5 seconds. Remove render-blocking resources, implement image CDN with lazy loading, and achieve a 90+ Google Lighthouse score on mobile and desktop.
Custom App Development Build private apps for internal workflows like ERP or CRM sync. Develop public Shopify App Bridge apps for the Shopify App Store. Set up webhook integrations with 3PLs and PIMs.
Shopify Plus Specifics Implement checkout extensions, post-purchase pages, and Launchpad automation. Configure multi-currency and multi-language markets with geolocation redirects.
Data Migration & API Integration Perform zero-downtime migration of products, customers, orders, and reviews from platforms like Magento or WooCommerce. Sync with ERP systems via REST or GraphQL.
SERVICE PACKAGES
Starter Package: Theme customization up to 10 pages, 3 custom Liquid sections, 1 third-party API integration, basic performance audit, 30 days post-launch support. Price: 2,500 to 5,000 USD one-time.
Professional Package: Unlimited theme customization for one store, 10 custom Liquid sections, 3 third-party API integrations, advanced performance audit with Core Web Vitals fix, 90 days post-launch support. Price: 6,000 to 15,000 USD one-time.
Enterprise Package (Shopify Plus): Unlimited customization plus headless option, unlimited Liquid sections, unlimited API integrations plus ERP sync, continuous performance monitoring, SLA with 24/7 support and 1-hour response time. Price: 20,000 USD+ based on quote.
STANDARD DEVELOPMENT WORKFLOW
Discovery (1 to 2 days): Review existing store, analytics, speed metrics, and technical debt.
Staging Environment Setup: Isolated development store with Git version control.
Iterative Build (2 to 6 weeks): Weekly demos via Shopify Partner Preview.
QA & Browser Testing: Cross-browser testing on Chrome, Safari, Firefox plus mobile devices on iOS and Android.
User Acceptance Testing: Client tests checkout, payments, and email notifications.
Deployment & Go-Live: Zero-downtime launch with rollback plan.
Post-Launch Hypercare (14 days): Bug fixes and staff training on Shopify Admin.
DELIVERABLES
Fully documented code in a private GitHub repository
Shopify Partner account transfer or client ownership
6 months warranty on development bugs (excluding third-party apps)
SEO-friendly URL structure with automated sitemap.xml
Custom 404 page and abandoned cart recovery logic
Video tutorials for managing new custom features
COMPLIANCE & SECURITY
PCI DSS Level 1 compliant
GDPR and CCPA cookie consent implementation
Regular security scans for XSS and SQL injection on custom endpoints
Two-factor authentication enforcement on all staff accounts
Example work
Functional Nutrition Segment Shopify Store
Food Delivery Headless Shopify Storefront
$2,500