Senior Backend Engineer
- Where you can live
- Warsaw
- Working hours
- Overlap with UTC+1
- Salary
- PLN 299,000 to 359,000 per year
- Posted
- September 18, 2026
Summary from the posting
Develop a deep understanding of our existing PHP monolithic codebase and progressively extract it into modular, service-oriented components.
Design, build, and maintain scalable, testable, and reusable backend services in PHP and Node.js.
Design and maintain robust RESTful and GraphQL APIs.
Lead refactoring efforts that improve performance, readability, and long-term maintainability of core systems.
Build, deploy, and operate services on AWS, including Lambda and API Gateway.
Write and maintain unit and integration tests to ensure reliability across releases.
Critically review, validate, and improve AI-generated code rather than accepting it at face value.
This is a short summary. The full description, requirements and the application form are on CreatorIQ's own career page.