An e-commerce store is a sales system, not merely a catalogue with checkout. The platform must connect products, stock, pricing, payments, shipping, service and financial data reliably.

Catalogue, pricing and daily operation

Measure products, variants, attributes, categories, price lists, promotions, channels and languages. Identify who creates products, who approves pricing and how returns or cancellations are handled.

Magento provides a deeper commerce model and can support more complex workflows, with correspondingly higher engineering and operating requirements. OpenCart can be effective when workflows are more focused and a lighter operational footprint matters.

  1. SKU, variant and attribute volume
  2. Multiple prices, B2B rules and promotions
  3. Multiple stores, languages or currencies
  4. Administrative roles and approval workflows
  5. Returns, refunds and after-sales service

Integrations shape a large part of the project

ERP, warehouse, CRM, payment gateway, courier, marketplace, invoicing and marketing platforms require explicit synchronisation rules. Define which system is the source of truth for every field and what happens when a connection fails.

A ready-made extension saves time only when it is compatible, maintained and fits the workflow. Otherwise it can hide complexity inside a component the team does not control.

Performance, hosting and security

Size infrastructure around real workloads: search, bots, imports, scheduled jobs, checkout, administrative operations and seasonal peaks. Cache, database, search, queues and media storage may require separate treatment.

Security includes updates, least privilege, protected accounts, secure secret handling, logs and third-party extension review. For payments, minimise the data and systems handled directly by the application wherever possible.

  • Capacity plan for normal operation and peaks
  • Monitoring for frontend, checkout, queues and integrations
  • Staged update process with rollback
  • Backup of application, database and critical configuration
  • Tested recovery procedure

How to reach a technical recommendation

Do not choose Magento simply because a project is described as large, or OpenCart only because the budget is constrained. Score each option against critical workflows, available team capability and total operating cost.

The recommendation should also state boundaries: which features are native, which need extensions, which require custom development and which are better left in the ERP or another external service.

  1. Fit-gap analysis for core workflows
  2. Prototype of the hardest integration
  3. Load and failure testing before production
  4. Data migration and SEO plan
  5. Operation, maintenance and evolution roadmap