Senior Magento Backend Architect ERP/CRM Integrations

Decima Digital Inc.; Funchal; On-site; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Work on enterprise commerce systems

Real architectural ownership

Supportive, transparent, andCollaborat

Ongoing professional development and学习

Job summary

Decima is seeking a Lead Backend Engineer to evolve established Magento 2 / Adobe Commerce Cloud platforms while preserving stability. The role is hands-on and architectural, ensuring safe, scalable changes within complex, enterprise systems.

You will guide architectural decisions, review critical code, and lead integration efforts with ERP, PIM, and CRM solutions, all while maintaining system reliability and performance.

Qualifications

• 8+ years of professional software development experience.
• 5+ years of hands-on Magento 2 / Adobe Commerce Cloud development.
• Deep understanding of Magento 2 architecture - DI, plugins, service contracts, extension attributes, event/observer patterns.
• Proven experience designing integrations with ERP, OMS, or PIM systems (SAP, NetSuite, Akeneo, or similar).
• Strong PHP engineering skills, OOP, and design patterns.
• Experience with APIs (REST, GraphQL) and service-oriented architecture.
• Experience with cloud environments and DevOps (CI/CD, Docker, AWS/GCP, Magento Cloud).
• Prior experience in a lead or architect-level role with ownership of technical decisions.
• Strong communication skills - able to explain technical decisions clearly.

Responsibilities

• Own architecture decisions within existing Magento 2 systems — balancing improvement with stability.
• Analyze and deeply understand legacy codebases and current system behavior before making changes.
• Design extensions and integrations that fit cleanly into existing architecture.
• Ensure backward compatibility and minimize regression risk in all changes.
• Lead complex integrations with ERP, PIM, OMS, CRM systems within existing environments.
• Review critical code changes with a focus on safety, performance, and maintainability.
• Identify architectural risks and propose safe, incremental improvements.
• Guide the team in making thoughtful, non-breaking changes.
• Participate in discovery and pre-sales — assessing existing systems and proposing realistic solutions.
• Document decisions with clear reasoning and trade-offs.

Skills

Magento 2 / Adobe Commerce

PHP

REST/GraphQL APIs

Cloud & DevOps

Lead/Architect

Communication

Tools

Docker

AWS

Magento Commerce Cloud

Job description

Decima is seeking a Lead Backend Engineer to evolve established Magento 2 / Adobe Commerce Cloud platforms while preserving stability. The role is hands-on and architectural, ensuring safe, scalable changes within complex, enterprise systems.

You will guide architectural decisions, review critical code, and lead integration efforts with ERP, PIM, and CRM solutions, all while maintaining system reliability and performance.