Decima Digital Inc.

Lead Backend Engineer – Adobe Commerce / Magento

Decima Digital Inc.

full-time

Posted on:

Location Type: Remote

Location: Poland

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Job Level

Senior

Tech Stack

AWSCloudDockerERPGoogle Cloud PlatformGraphQLMagentoPHP

About the role

  • In this role, you will lead the evolution of existing enterprise Adobe Commerce Cloud platforms — introducing new features, integrations, and improvements while preserving system stability.
  • You’ll work within complex, already-built ecosystems, making thoughtful architectural decisions that respect existing constraints and minimize risk.
  • This is a hands-on role — you’ll actively contribute to implementation, review critical code, and ensure that every change is safe, scalable, and aligned with the overall system design.
  • 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.

Requirements

  • 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.
  • Experience working with large, existing Magento 2 codebases (not only greenfield projects).
  • Strong ability to understand and safely modify legacy systems.
  • Experience delivering improvements without full rewrites.
  • Ability to balance ideal architecture with real-world constraints.
  • Strong debugging and root-cause analysis skills in complex systems.
  • Experience working in environments where system stability is critical. В
Benefits
  • Work on **enterprise commerce systems** powering global brands.
  • Real architectural ownership
  • Supportive, transparent, and **collaborative team culture**.
  • Ongoing **professional development and learning support**.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Magento 2Adobe Commerce CloudPHPOOPdesign patternsAPIsRESTGraphQLDevOpsCI/CD
Soft Skills
strong communication skillsleadershipanalytical thinkingproblem-solvingteam guidancedecision-makingdocumentationrisk assessmentcollaborationadaptability