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November 3, 2026

Mid-Level PHP Developer (eCommerce/SaaS)

Mid • Remote

90 - 125 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Mid-Level PHP Developer (eCommerce / SaaS)

  • Focus: Backend development, SQL/MySQL, REST API, and performance for production traffic

Description

We are looking for a Mid PHP Developer to join product teams working on long-term projects for e-commerce and large-scale SaaS platforms. You’ll develop and maintain production backend systems, optimize SQL queries, design database schemas, and build REST API integrations while ensuring performance under real user traffic.

Responsibilities

  • Develop and maintain the backend of production applications

  • Write and optimize SQL queries in MySQL databases

  • Design database schemas

  • Build and evolve integrations using REST API

  • Ensure application performance in real-world user traffic

Requirements

  • Minimum 2 years of commercial PHP experience

  • Strong OOP fundamentals (framework-independent)

  • Very good knowledge of MySQL and SQL, including schema design and query optimization

  • Practical REST API knowledge and Git version control

  • Experience working on production applications with real traffic

  • Ability to work within a product team

Benefits

  • Opportunity to work on long-term e-commerce and SaaS projects

  • Product-team environment focused on code quality and production performance

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