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September 16, 2026

Backend Developer (PHP)

Senior • Remote

Warsaw, Poland

Quick Facts

  • Role: Backend Developer (PHP)

Description

Build and own backend development for e-commerce projects and complex corporate portals using PHP. Design backend architecture, implement APIs and system-to-system integrations (payments, CRM/ERP/1C, marketplaces, delivery providers), and ensure quality, performance, reliability, and scalability. Work directly with international clients in English from architecture and development through launch and ongoing support.

Responsibilities

  • Independently manage backend development for e-commerce projects and complex corporate portals
  • Design backend architecture and make key technical decisions
  • Select the most suitable platform and technology stack based on client needs and business objectives
  • Develop and maintain PHP-based backend systems
  • Implement and maintain integrations with external systems (payment services, CRM/ERP/1C, marketplaces, delivery providers)
  • Design and implement APIs and system-to-system integrations
  • Take full ownership of the backend side of the project through launch and ongoing support
  • Independently estimate technical tasks, identify risks, and propose implementation approaches
  • Communicate with clients in English to clarify requirements and align on technical solutions

Requirements

  • 3+ years of backend development experience
  • Strong knowledge of PHP 8.x, including OOP and SOLID principles
  • Commercial development experience with Laravel and/or Symfony
  • Hands-on experience with custom development on Magento 2 / Adobe Commerce
  • Experience with WordPress / WooCommerce (enhancements, plugins, integrations)
  • Experience designing and integrating REST APIs / GraphQL
  • Experience integrating external systems and services (payments, CRM/ERP/1C, marketplaces, delivery)
  • Strong experience with MySQL/MariaDB including SQL optimization
  • Experience using Redis and other caching mechanisms
  • Hands-on experience with Git, Docker, and CI/CD
  • English: Upper-Intermediate and above

Benefits

  • Stable and competitive salary and extensive benefits package
  • Mentoring and adaptation system for new employees
  • Transparent performance reviews and support for career growth
  • Access to educational platforms, seminars, and practices; emphasis on continuous learning
  • Opportunity to grow as a specialist or a manager

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