About this Service
Shopify Plus Development — Custom Themes, Private Apps, Headless, Migrations
Shopify Plus Partner team building high-conversion stores. Specialties: Shopify Plus migrations, custom Liquid + private apps, headless commerce on Hydrogen, complex ERP integrations.
What We Build (Shopify-Specific)
- Custom Shopify Plus themes (Liquid + JS + CSS)
- Headless commerce builds (Hydrogen, Remix, Next.js Commerce + Storefront API)
- Private Shopify apps (Node, Ruby, Python)
- Shopify Checkout extensions (Checkout UI extensions, Shopify Functions for custom discounts/shipping)
- Shopify Plus B2B / Wholesale stores- Multi-currency, multi-language, multi-region (Shopify Markets)
- Subscription commerce (Recharge, Bold, Skio integrations)
- Shopify migrations from WooCommerce, Magento, BigCommerce, custom platforms
- ERP integrations (NetSuite, SAP, Microsoft Dynamics, custom)
- Marketing automation (Klaviyo, Postscript, Attentive flows)
Shopify Technology Stack
Shopify-native: Liquid, Shopify CLI, Polaris (admin UI), Hydrogen + Remix (headless), Shopify Functions
Frontend (headless): React, Next.js, Vue
Backend (for private apps): Node.js, Ruby on Rails, Python (Django/FastAPI)
App integrations: Klaviyo, Recharge, Postscript, Bold, Attentive, ShipStation, NetSuite, SAP
Payment: Shopify Payments, Stripe, PayPal, BNPL (Klarna, Afterpay, Affirm)
Analytics: Shopify Analytics, GA4, Triple Whale, Lifetimely, Northbeam
Performance: Shopify Performance Score optimization, Web Pixel API, lazy loading patterns
Our Shopify Process
1. Discovery + Audit — Current store audit, performance baseline, conversion funnel analysis
2. Strategy — Theme architecture vs headless decision, app stack, integration plan
3. Design — Conversion-focused PDP, PLP, checkout extensions
4. Development — Theme + app + integration build with QA at each step
5. Performance Tuning — Core Web Vitals optimization, image optimization, lazy loading
6. Migration / Launch — Data migration (products, customers, orders), DNS cutover, 301 redirects
7. Post-launch CRO — A/B test setup, conversion optimization, ongoing iteration
Shopify-Specific Engagement Models
- Shopify Store Build (Fixed-Price) — New store from scratch on Shopify Plus, 4-6 weeks
- Shopify Migration — From WooCommerce / Magento / BigCommerce / custom, with data migration + design + 301 redirects
- Shopify Plus Retainer (Most Common for $10M+ DTC Brands) — Ongoing theme iteration, app maintenance, CRO, seasonal capacity (Black Friday prep)
- Shopify App Development — Standalone engagement to build a custom private app
Shopify-Specific QA
- Checkout flow testing — Cart → checkout → payment → order confirmation across all payment methods
- Multi-currency testing — Pricing, tax, shipping accuracy per market
- Theme performance — Shopify Performance Score, Lighthouse 90+ on PDP and PLP
- Mobile-first testing — 70%+ of Shopify traffic is mobile; tested on real devices
- Inventory sync testing — When integrated with ERP, validate stock-level accuracy
- App compatibility testing — Theme tested with all installed apps for conflicts
- Cross-browser — Including Safari mobile (iOS Shopify checkout quirks)
- Black Friday load testing — Stress-test theme + apps for peak traffic
- Tax + shipping rules — Validated for every region you sell to
Shopify Launch & Deployment
- Theme deployment — Shopify CLI with version control (GitHub), staging theme for review, draft → publish
- A/B testing on Shopify — Native (Shopify Plus exclusive) + third-party (Convert, Optimizely)
- DNS migration (for replatforming) — Pre-warming, scheduled cutover, rollback plan
- 301 redirects — All old URLs mapped, sitemap updated, Search Console resubmitted
- App configuration — Klaviyo flows, Recharge subscriptions, shipping app rules all live before launch
Shopify-Specific Maintenance
- Shopify version updates — Theme stays compatible with latest Shopify checkout/admin changes
- App updates — Monthly review of installed apps, version bumps, conflict resolution
- Seasonal capacity planning — Pre-Black Friday performance audit, post-event analysis
- Conversion rate optimization — Monthly A/B test cycle
- Inventory + product feeds — Maintenance of Google Shopping, Meta Catalog, TikTok Shop feeds
- Backup & disaster recovery — Theme version backups, product data exports
Industries DTC E-commerce, Fashion + Apparel, Beauty + Skincare, Food + Beverage, Home + Furniture, Pets, Sports, Electronics, Books, Subscription Boxes, B2B Wholesale, Hat/Accessories, Specialty Retail
Recent Shopify Engagements
Kayme (Shopify Plus DTC apparel), Wallaroo Hat Company (Shopify store), Spices Retail Shop website, Candle Shop E-commerce site. Plus multiple migrations from WooCommerce + Magento.
Certifications: Shopify Plus Partner · Top Web Developers 2026 (Clutch) · ISO 27001
Why Syndell
- 1518+ projects delivered · 50+ in-house specialists · 12+ years (since 2014) · 610+ clients across 20+ countries · 99% client recommendation rate · Clutch 5.0★ (13 reviews)
- Recognitions: Top AI Development Company 2026 · Top App Development Company 2026 · Top Web Developers 2026 (all Clutch) · App Software Developers 2026 (SoftwareWorld) · Top Mobile App Development Company 2026 (Clutch) · Recognised as a Great Place to Work
- Headquartered in Ahmedabad, India · Delaware, USA · Manchester, UK
- Markets served: USA · UK · Canada · Australia · EU · Global (60+ countries)
- Time zones covered: PT, MT, CT, ET (USA) · GMT (UK) · IST (India) · AEST/AEDT (Australia) · CET (EU)
- Clutch-verified outcomes: up to 50% cost savings and 40% faster delivery via AI-assisted execution
- Most projects ship under $10,000 (Clutch-verified pricing summary)
Ready to start? Reply within 2 hours with a preliminary assessment + ROI roadmap. → syndelltech. com
