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SISSOFT
Services

Online store migration and headless e-commerce development services

Online store migration from WooCommerce, PrestaShop, OpenCart, Shopify, Magento, MerchantPro and Gomag, headless development, Core Web Vitals optimization, integrations and dedicated hosting.

E-commerce migration to a modern stack

We move your store off PrestaShop, Magento or Shopify onto Sylius/Symfony + Next.js, preserving SEO, URLs and order history.

  • 1:1 URL mapping + 301 redirects
  • Migrate products, customers, orders
  • Zero downtime at cutover

Headless site & store development

We build Next.js frontends on top of a solid Sylius/Symfony backend: fast, scalable and easy to extend, with an admin experience your team owns.

  • Next.js frontend (App Router, SSG/ISR)
  • API-first Sylius/Symfony backend
  • Custom design system

Performance optimization (Core Web Vitals)

Auditing and optimization to green CWV: LCP, INP, CLS. We focus on real mobile speed, not just lab scores.

  • Lighthouse audit + field data
  • Image, font and JS optimization
  • Well-tuned caching and CDN

Integrations

We connect your store to the whole ecosystem: couriers, invoicing, ERP and marketplace feeds — automated and reliable.

  • Couriers (AWB, tracking)
  • Invoicing & ERP
  • eMAG, Google, Meta feeds

Maintenance subscription

A dedicated team that continuously monitors, updates and optimizes. You handle sales, we handle the infrastructure.

  • Monitoring & uptime
  • Security updates
  • Priority support with SLA

Dedicated Hetzner hosting

Dedicated infrastructure on Hetzner servers, configured and managed by us: fast, secure and free of cloud bill surprises.

  • Dedicated servers, guaranteed resources
  • Automated backups
  • Full administration

Dedicated pages

Online store migration to a modern headless stack

We migrate online stores off WooCommerce, PrestaShop, OpenCart, Shopify, Magento, MerchantPro and Gomag to a modern headless stack (Sylius/Symfony + Next.js), with no SEO traffic loss.

PrestaShop migration to a modern headless stack

PrestaShop migration to a modern headless stack: large catalog, fast filtering, green Core Web Vitals and preserved Google rankings. Reference: 351,000+ products migrated.

Magento migration to a modern headless stack

Magento migration to a modern, easier-to-maintain and faster headless stack. We cut complexity and cost while preserving SEO and business logic.

WooCommerce migration to a modern headless stack

WooCommerce migration off WordPress to a modern headless stack. Escape plugin bloat and performance limits while preserving SEO and orders.

Shopify migration to your own headless stack

Shopify migration to a headless stack you own. Escape lock-in, fees and backend limits while preserving SEO and customers.

OpenCart migration to a modern headless stack

OpenCart migration to a modern, faster and more scalable headless stack. Leave behind fragile extensions and performance limits.

MerchantPro migration to your own headless stack

MerchantPro migration off a closed SaaS to a stack you own (Sylius/Symfony + Next.js). Escape lock-in and customization limits.

Gomag migration to your own headless stack

Gomag migration off SaaS to a modern headless stack you own. More flexibility, performance and cost control.

Headless online store development

Headless online store development: Next.js frontend on an API-first Sylius/Symfony backend. Fast, scalable, with a design and admin experience you own.

E-commerce integrations: marketplace, couriers, invoicing and feeds

Integrations for online stores: eMAG Marketplace API, couriers (Sameday, FAN, DPD, Cargus), invoicing (SmartBill, Oblio, FGO), Google Shopping & Facebook feeds, ERP. We automate flows and remove manual work.

Core Web Vitals optimization for online stores

Core Web Vitals and speed optimization for online stores: LCP, INP, CLS. Lighthouse audit + field data and real, measurable improvements, especially on mobile.

Dedicated hosting and maintenance for online stores

Dedicated hosting on Hetzner servers + subscription maintenance for online stores: monitoring, security updates, backups and continuous optimization.

Got a serious store on a slow platform?

Let's talk about moving it to a modern stack, without losing traffic or sales.

Discuss your migrationEmail us directly