Senior Backend Engineer (PHP / Symfony) - Room Estate team

Holycode

📍 Belgrade, Serbia, Serbia

Full-time other-general Posted June 03, 2026

Job Description

We are looking for a Senior Backend (PHP) Engineer to join one of our long-term partners, Room Estate. The role is focused on developing a modern Symfony backend service that will work alongside an existing Drupal-based system, with a strong long-term focus on scalable architecture and gradual system modernization.
You will work closely with the mobile developer and have strong ownership over backend architecture, API design, and technical decisions.

What You’ll Do

+ Design and develop REST APIs using PHP 8+ and Symfony

+ Build scalable backend services integrated with existing Drupal and MySQL systems

+ Work on cloud-native and modular architecture solutions

+ Design database structures, optimize queries, and improve system performance

+ Collaborate with the Flutter developer on API contracts and integrations

+ Contribute to architectural decisions and long-term system evolution

+ Write clean,...